sh.h revision 03ebf06f4e1112a0e9533b93062d169232c4cbfe
15155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: sh.h,v 1.30 2010/01/04 18:07:11 deraadt Exp $ */ 25155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: shf.h,v 1.6 2005/12/11 18:53:51 deraadt Exp $ */ 35155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: table.h,v 1.7 2005/12/11 20:31:21 otto Exp $ */ 45155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: tree.h,v 1.10 2005/03/28 21:28:22 deraadt Exp $ */ 55155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: expand.h,v 1.6 2005/03/30 17:16:37 deraadt Exp $ */ 65155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: lex.h,v 1.11 2006/05/29 18:22:24 otto Exp $ */ 75155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: proto.h,v 1.33 2010/05/19 17:36:08 jasper Exp $ */ 85155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: c_test.h,v 1.4 2004/12/20 11:34:26 otto Exp $ */ 95155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* $OpenBSD: tty.h,v 1.5 2004/12/20 11:34:26 otto Exp $ */ 105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/*- 1203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * Copyright © 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Thorsten Glaser <tg@mirbsd.org> 145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Provided that these terms and disclaimer and all copyright notices 165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * are retained or reproduced in an accompanying document, permission 1703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * is granted to deal in this work without restriction, including un‐ 185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * limited rights to use, publicly perform, distribute, sell, modify, 195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * merge, give away, or sublicence. 205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * 2103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * This work is provided “AS IS” and WITHOUT WARRANTY of any kind, to 225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * the utmost extent permitted by applicable law, neither express nor 235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * implied; without malicious intent or gross negligence. In no event 245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * may a licensor, author or contributor be held liable for indirect, 255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * direct, other damage, loss, or other issues arising in any way out 265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * of dealing in the work, even if advised of the possibility of such 275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * damage or existence of a defect, except proven that it results out 2803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * of said person’s immediate fault when using the work as intended. 295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef __dietlibc__ 325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* XXX imake style */ 3303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define _BSD_SOURCE /* live, BSD, live❣ */ 345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_SYS_PARAM_H 375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/param.h> 385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/types.h> 405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/time.h> 415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/ioctl.h> 425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_SYS_SYSMACROS_H 435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/sysmacros.h> 445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_SYS_MKDEV_H 465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/mkdev.h> 475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_SYS_MMAN_H 495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/mman.h> 505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/resource.h> 525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/stat.h> 535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <sys/wait.h> 545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <dirent.h> 555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <errno.h> 565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <fcntl.h> 575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_LIBGEN_H 585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <libgen.h> 595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_LIBUTIL_H 615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <libutil.h> 625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <limits.h> 645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_PATHS_H 655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <paths.h> 665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <pwd.h> 685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <setjmp.h> 695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <signal.h> 705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <stdarg.h> 715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <stddef.h> 725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_STDINT_H 735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <stdint.h> 745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <stdio.h> 765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <stdlib.h> 775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <string.h> 785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_STRINGS_H 795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <strings.h> 805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <termios.h> 825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <time.h> 835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_ULIMIT_H 845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <ulimit.h> 855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <unistd.h> 875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_VALUES_H 885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include <values.h> 895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef __attribute__ 925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_ATTRIBUTE_BOUNDED 9303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_A_BOUNDED(x,y,z) __attribute__((__bounded__ (x, y, z))) 945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_A_BOUNDED(x,y,z) /* nothing */ 965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_ATTRIBUTE_FORMAT 9803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_A_FORMAT(x,y,z) __attribute__((__format__ (x, y, z))) 995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 1005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_A_FORMAT(x,y,z) /* nothing */ 1015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_ATTRIBUTE_NONNULL 1035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_A_NONNULL(a) __attribute__(a) 1045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 1055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_A_NONNULL(a) /* nothing */ 1065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_ATTRIBUTE_NORETURN 10803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_A_NORETURN __attribute__((__noreturn__)) 1095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 1105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_A_NORETURN /* nothing */ 1115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_ATTRIBUTE_UNUSED 11303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_A_UNUSED __attribute__((__unused__)) 1145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 1155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_A_UNUSED /* nothing */ 1165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_ATTRIBUTE_USED 11803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_A_USED __attribute__((__used__)) 1195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 1205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_A_USED /* nothing */ 1215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if defined(MirBSD) && (MirBSD >= 0x09A1) && \ 1245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru defined(__ELF__) && defined(__GNUC__) && \ 1255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru !defined(__llvm__) && !defined(__NWCC__) 1265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 1275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * We got usable __IDSTRING __COPYRIGHT __RCSID __SCCSID macros 1285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * which work for all cases; no need to redefine them using the 1295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * "portable" macros from below when we might have the "better" 1305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * gcc+ELF specific macros or other system dependent ones. 1315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 1325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 1335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef __IDSTRING 1345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef __IDSTRING_CONCAT 1355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef __IDSTRING_EXPAND 1365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef __COPYRIGHT 1375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef __RCSID 1385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef __SCCSID 1395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define __IDSTRING_CONCAT(l,p) __LINTED__ ## l ## _ ## p 1405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define __IDSTRING_EXPAND(l,p) __IDSTRING_CONCAT(l,p) 14103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifdef MKSH_DONT_EMIT_IDSTRING 14203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define __IDSTRING(prefix, string) /* nothing */ 14303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 1445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define __IDSTRING(prefix, string) \ 1455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru static const char __IDSTRING_EXPAND(__LINE__,prefix) [] \ 1465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru MKSH_A_USED = "@(""#)" #prefix ": " string 14703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 1485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define __COPYRIGHT(x) __IDSTRING(copyright,x) 1495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define __RCSID(x) __IDSTRING(rcsid,x) 1505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define __SCCSID(x) __IDSTRING(sccsid,x) 1515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef EXTERN 15403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.495 2011/10/07 19:51:44 tg Exp $"); 1555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 15603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_VERSION "R40 2011/10/07" 1575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_INCLUDES_ONLY 1595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* extra types */ 1615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_GETRUSAGE 1635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef rusage 1645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef RUSAGE_SELF 1655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef RUSAGE_CHILDREN 1665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define rusage mksh_rusage 16703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define RUSAGE_SELF 0 16803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define RUSAGE_CHILDREN -1 1695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct rusage { 1715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct timeval ru_utime; 1725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct timeval ru_stime; 1735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 1745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_RLIM_T 1775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef long rlim_t; 1785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_SIG_T 1815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef sig_t 1825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef void (*sig_t)(int); 1835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_CAN_INTTYPES 1865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_CAN_UCBINTS 1875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef signed int int32_t; 1885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef unsigned int uint32_t; 1895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 1905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef u_int32_t uint32_t; 1915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 1935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 1945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_CAN_INT8TYPE 1955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_CAN_UCBINT8 1965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef unsigned char uint8_t; 1975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 1985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef u_int8_t uint8_t; 1995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* extra macros */ 2035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef timerclear 2055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define timerclear(tvp) \ 2065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru do { \ 2075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (tvp)->tv_sec = (tvp)->tv_usec = 0; \ 2085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } while (/* CONSTCOND */ 0) 2095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef timeradd 2115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define timeradd(tvp, uvp, vvp) \ 2125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru do { \ 2135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 2145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 2155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((vvp)->tv_usec >= 1000000) { \ 2165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vvp)->tv_sec++; \ 2175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vvp)->tv_usec -= 1000000; \ 2185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } \ 2195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } while (/* CONSTCOND */ 0) 2205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef timersub 2225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define timersub(tvp, uvp, vvp) \ 2235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru do { \ 2245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 2255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 2265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((vvp)->tv_usec < 0) { \ 2275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vvp)->tv_sec--; \ 2285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vvp)->tv_usec += 1000000; \ 2295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } \ 2305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } while (/* CONSTCOND */ 0) 2315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_isdigit(c) (((c) >= '0') && ((c) <= '9')) 2345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_islower(c) (((c) >= 'a') && ((c) <= 'z')) 2355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_isupper(c) (((c) >= 'A') && ((c) <= 'Z')) 2365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_tolower(c) (((c) >= 'A') && ((c) <= 'Z') ? (c) - 'A' + 'a' : (c)) 2375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_toupper(c) (((c) >= 'a') && ((c) <= 'z') ? (c) - 'a' + 'A' : (c)) 2385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_isdash(s) (((s) != NULL) && ((s)[0] == '-') && ((s)[1] == '\0')) 2395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_isspace(c) ((((c) >= 0x09) && ((c) <= 0x0D)) || ((c) == 0x20)) 2405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef NO_PATH_MAX 2425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef PATH_MAX 2435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 2445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef PATH_MAX 2455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PATH_MAX 1024 2465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef SIZE_MAX 2495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef SIZE_T_MAX 2505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SIZE_MAX SIZE_T_MAX 2515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 2525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SIZE_MAX ((size_t)-1) 2535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef S_ISLNK 2565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define S_ISLNK(m) ((m & 0170000) == 0120000) 2575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef S_ISSOCK 2595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define S_ISSOCK(m) ((m & 0170000) == 0140000) 2605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 26103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#if !defined(S_ISCDF) && defined(S_CDF) 26203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define S_ISCDF(m) (S_ISDIR(m) && ((m) & S_CDF)) 26303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 2645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef DEFFILEMODE 2655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 2665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !defined(MAP_FAILED) 2695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* XXX imake style */ 2705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru# if defined(__linux) 2715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MAP_FAILED ((void *)-1) 2725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru# elif defined(__bsdi__) || defined(__osf__) || defined(__ultrix) 2735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MAP_FAILED ((caddr_t)-1) 2745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru# endif 2755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef NSIG 2785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if defined(_NSIG) 2795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NSIG _NSIG 2805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#elif defined(SIGMAX) 2815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NSIG (SIGMAX+1) 2825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef BAD /* AIX defines that somewhere */ 2865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* OS-dependent additions (functions, variables, by OS) */ 2885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_FLOCK_DECL 2905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern int flock(int, int); 2915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_GETRUSAGE 2945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern int getrusage(int, struct rusage *); 2955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 2965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 2975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_REVOKE_DECL 2985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern int revoke(const char *); 2995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef __ultrix 3025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* XXX imake style */ 3035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint strcasecmp(const char *, const char *); 3045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_STRCASESTR 3075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruconst char *stristr(const char *, const char *); 3085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_STRLCPY 3115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querusize_t strlcpy(char *, const char *, size_t); 3125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !HAVE_SYS_SIGLIST_DECL 3155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern const char *const sys_siglist[]; 3165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef __INTERIX 3195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* XXX imake style */ 3205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define makedev mkdev 3215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern int __cdecl seteuid(uid_t); 3225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern int __cdecl setegid(gid_t); 3235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* remove redundances */ 3265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if defined(MirBSD) && (MirBSD >= 0x08A8) 3285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_mirbsd_wcwidth 3295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define utf_wcwidth(i) wcwidth((__WCHAR_TYPE__)i) 3305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern int wcwidth(__WCHAR_TYPE__); 3315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* some useful #defines */ 3355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef EXTERN 33603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra# define E_INIT(i) = i 3375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 33803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra# define E_INIT(i) 3395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru# define EXTERN extern 3405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru# define EXTERN_DEFINED 3415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 34303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* define bit in flag */ 34403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define BIT(i) (1 << (i)) 3455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NELEM(a) (sizeof(a) / sizeof((a)[0])) 3465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* arithmetics types */ 3485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef int32_t mksh_ari_t; 3495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef uint32_t mksh_uari_t; 3505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 35103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* boolean type (no <stdbool.h> deliberately) */ 35203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condratypedef unsigned char mksh_bool; 35303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#undef bool 35403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* false MUST equal 0 */ 35503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#undef false 35603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#undef true 35703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* access macros for boolean type */ 35803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define bool mksh_bool 35903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* values must have identity mapping between mksh_bool and short */ 36003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define false 0 36103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define true 1 36203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* make any-type into bool or short */ 36303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define tobool(cond) ((cond) ? true : false) 36403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 3655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* these shall be smaller than 100 */ 3665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef MKSH_CONSERVATIVE_FDS 3675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NUFILE 32 /* Number of user-accessible files */ 3685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FDBASE 10 /* First file usable by Shell */ 3695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 3705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NUFILE 56 /* Number of user-accessible files */ 3715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FDBASE 24 /* First file usable by Shell */ 3725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 3735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 37403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* 37503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * Make MAGIC a char that might be printed to make bugs more obvious, but 3765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * not a char that is used often. Also, can't use the high bit as it causes 3775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * portability problems (calling strchr(x, 0x80|'x') is error prone). 3785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 3795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MAGIC (7) /* prefix for *?[!{,} during expand */ 3805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ISMAGIC(c) ((unsigned char)(c) == MAGIC) 3815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NOT '!' /* might use ^ (ie, [!...] vs [^..]) */ 3825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LINE 4096 /* input line size */ 3845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN const char *safe_prompt; /* safe prompt if PS1 substitution fails */ 38603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char initvsn[] E_INIT("KSH_VERSION=@(#)MIRBSD KSH " MKSH_VERSION); 3875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define KSH_VERSION (initvsn + /* "KSH_VERSION=@(#)" */ 16) 3885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 38903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char digits_uc[] E_INIT("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"); 39003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char digits_lc[] E_INIT("0123456789abcdefghijklmnopqrstuvwxyz"); 3915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 3925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 3935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Evil hack for const correctness due to API brokenness 3945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 3955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruunion mksh_cchack { 3965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *rw; 3975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *ro; 3985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 3995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruunion mksh_ccphack { 4005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char **rw; 4015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char **ro; 4025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 4035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* for const debugging */ 4055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if defined(DEBUG) && defined(__GNUC__) && !defined(__ICC) && \ 4065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru !defined(__INTEL_COMPILER) && !defined(__SUNPRO_C) 4075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *ucstrchr(char *, int); 4085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *ucstrstr(char *, const char *); 4095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef strchr 4105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define strchr ucstrchr 4115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define strstr ucstrstr 4125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define cstrchr(s,c) ({ \ 4135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru union mksh_cchack in, out; \ 4145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru \ 4155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru in.ro = (s); \ 4165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru out.rw = ucstrchr(in.rw, (c)); \ 4175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (out.ro); \ 4185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}) 4195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define cstrstr(b,l) ({ \ 4205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru union mksh_cchack in, out; \ 4215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru \ 4225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru in.ro = (b); \ 4235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru out.rw = ucstrstr(in.rw, (l)); \ 4245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (out.ro); \ 4255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}) 4265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define vstrchr(s,c) (cstrchr((s), (c)) != NULL) 4275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define vstrstr(b,l) (cstrstr((b), (l)) != NULL) 4285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define mkssert(e) ((e) ? (void)0 : exit(255)) 4295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else /* !DEBUG, !gcc */ 4305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define cstrchr(s,c) ((const char *)strchr((s), (c))) 4315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define cstrstr(s,c) ((const char *)strstr((s), (c))) 4325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define vstrchr(s,c) (strchr((s), (c)) != NULL) 4335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define vstrstr(b,l) (strstr((b), (l)) != NULL) 4345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define mkssert(e) ((void)0) 4355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* use this ipv strchr(s, 0) but no side effects in s! */ 4385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define strnul(s) ((s) + strlen(s)) 4395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define utf_ptradjx(src, dst) do { \ 4415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (dst) = (src) + utf_ptradj(src); \ 4425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 4435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef MKSH_SMALL 4455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define strdupx(d, s, ap) do { \ 4465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (d) = strdup_((s), (ap)); \ 4475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 4485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define strndupx(d, s, n, ap) do { \ 4495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (d) = strndup_((s), (n), (ap)); \ 4505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 4515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 4525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* be careful to evaluate arguments only once! */ 4535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define strdupx(d, s, ap) do { \ 4545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *strdup_src = (s); \ 4555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *strdup_dst = NULL; \ 4565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru \ 4575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (strdup_src != NULL) { \ 4585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru size_t strdup_len = strlen(strdup_src) + 1; \ 4595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru strdup_dst = alloc(strdup_len, (ap)); \ 4605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru memcpy(strdup_dst, strdup_src, strdup_len); \ 4615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } \ 4625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (d) = strdup_dst; \ 4635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 4645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define strndupx(d, s, n, ap) do { \ 4655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *strdup_src = (s); \ 4665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *strdup_dst = NULL; \ 4675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru \ 4685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (strdup_src != NULL) { \ 4695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru size_t strndup_len = (n); \ 4705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru strdup_dst = alloc(strndup_len + 1, (ap)); \ 4715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru memcpy(strdup_dst, strdup_src, strndup_len); \ 4725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru strdup_dst[strndup_len] = '\0'; \ 4735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } \ 4745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (d) = strdup_dst; \ 4755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 4765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_STRCASESTR 47903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define stristr(b,l) ((const char *)strcasestr((b), (l))) 4805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef MKSH_SMALL 4835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_CONSERVATIVE_FDS 4845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_CONSERVATIVE_FDS /* defined */ 4855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_NOPWNAM 4875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_NOPWNAM /* defined */ 4885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_S_NOVI 4905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_S_NOVI 1 4915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 4945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_S_NOVI 4955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MKSH_S_NOVI 0 4965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 4975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 49803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#if defined(MKSH_NOPROSPECTOFWORK) && !defined(MKSH_UNEMPLOYED) 49903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_UNEMPLOYED 1 50003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 50103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 5025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 5035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * simple grouping allocator 5045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 5055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 50603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 50703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* 0. OS API: where to get memory from and how to free it (grouped) */ 50803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 50903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* malloc(3)/realloc(3) -> free(3) for use by the memory allocator */ 51003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define malloc_osi(sz) malloc(sz) 51103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define realloc_osi(p,sz) realloc((p), (sz)) 51203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define free_osimalloc(p) free(p) 51303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 51403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* malloc(3)/realloc(3) -> free(3) for use by mksh code */ 51503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define malloc_osfunc(sz) malloc(sz) 51603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define realloc_osfunc(p,sz) realloc((p), (sz)) 51703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define free_osfunc(p) free(p) 51803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 51903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#if HAVE_MKNOD 52003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* setmode(3) -> free(3) */ 52103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define free_ossetmode(p) free(p) 52203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 52303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 52403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#if !HAVE_MKSTEMP 52503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* tempnam(3) -> free(3) */ 52603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define free_ostempnam(p) free(p) 52703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 52803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 52903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifdef NO_PATH_MAX 53003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* GNU libc: get_current_dir_name(3) -> free(3) */ 53103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define free_gnu_gcdn(p) free(p) 53203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 53303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 53403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 5355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 1. internal structure */ 5365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct lalloc { 5375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct lalloc *next; 5385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 5395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 2. sizes */ 5415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ALLOC_ITEM struct lalloc 5425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ALLOC_SIZE (sizeof(ALLOC_ITEM)) 5435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 3. group structure (only the same for lalloc.c) */ 5455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef struct lalloc Area; 5465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN Area aperm; /* permanent object space */ 5495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define APERM &aperm 5505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ATEMP &e->area 5515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 5535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * flags (the order of these enums MUST match the order in misc.c(options[])) 5545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 5555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruenum sh_flag { 5565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHFLAGS_ENUMS 5575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#include "sh_flags.h" 5585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru FNFLAGS /* (place holder: how many flags are there) */ 5595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 5605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 56103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Flag(f) (shell_flags[(int)(f)]) 5625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define UTFMODE Flag(FUNICODE) 5635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 5655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * parsing & execution environment 5665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 5675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern struct env { 56803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ALLOC_ITEM alloc_INT; /* internal, do not touch */ 5695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Area area; /* temporary allocation area */ 5705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct env *oenv; /* link to previous environment */ 5715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct block *loc; /* local variables and functions */ 5725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru short *savefd; /* original redirected fds */ 5735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct temp *temps; /* temp files */ 5745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sigjmp_buf jbuf; /* long jump back to env creator */ 5755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru short type; /* environment type - see below */ 5765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru short flags; /* EF_* */ 5775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} *e; 5785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* struct env.type values */ 5805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define E_NONE 0 /* dummy environment */ 5815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define E_PARSE 1 /* parsing command # */ 5825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define E_FUNC 2 /* executing function # */ 5835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define E_INCL 3 /* including a file via . # */ 5845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define E_EXEC 4 /* executing command tree */ 5855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define E_LOOP 5 /* executing for/while # */ 5865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define E_ERRH 6 /* general error handler # */ 5875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* # indicates env has valid jbuf (see unwind()) */ 5885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* struct env.flag values */ 5905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define EF_FUNC_PARSE BIT(0) /* function being parsed */ 5915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define EF_BRKCONT_PASS BIT(1) /* set if E_LOOP must pass break/continue on */ 5925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define EF_FAKE_SIGDIE BIT(2) /* hack to get info from unwind to quitenv */ 5935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 5945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Do breaks/continues stop at env type e? */ 5955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define STOP_BRKCONT(t) ((t) == E_NONE || (t) == E_PARSE \ 5965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru || (t) == E_FUNC || (t) == E_INCL) 5975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Do returns stop at env type e? */ 5985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define STOP_RETURN(t) ((t) == E_FUNC || (t) == E_INCL) 5995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* values for siglongjmp(e->jbuf, 0) */ 6015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LRETURN 1 /* return statement */ 6025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LEXIT 2 /* exit statement */ 6035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LERROR 3 /* errorf() called */ 6045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LLEAVE 4 /* untrappable exit/error */ 6055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LINTR 5 /* ^C noticed */ 6065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LBREAK 6 /* break statement */ 6075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LCONTIN 7 /* continue statement */ 6085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LSHELL 8 /* return to interactive shell() */ 6095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LAEXPR 9 /* error in arithmetic expression */ 6105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 61103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* sort of shell global state */ 61203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN pid_t procpid; /* PID of executing process */ 61303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN int exstat; /* exit status */ 61403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN int subst_exstat; /* exit status of last $(..)/`..` */ 61503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN struct tbl *vp_pipest; /* global PIPESTATUS array */ 61603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN short trap_exstat; /* exit status before running a trap */ 61703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN uint8_t trap_nested; /* running nested traps */ 61803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN uint8_t shell_flags[FNFLAGS]; 61903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char *kshname; /* $0 */ 62003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN struct { 62103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra uid_t kshuid_v; /* real UID of shell */ 62203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra uid_t ksheuid_v; /* effective UID of shell */ 62303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra gid_t kshgid_v; /* real GID of shell */ 62403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra gid_t kshegid_v; /* effective GID of shell */ 62503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra pid_t kshpgrp_v; /* process group of shell */ 62603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra pid_t kshppid_v; /* PID of parent of shell */ 62703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra pid_t kshpid_v; /* $$, shell PID */ 62803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} rndsetupstate; 62903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 63003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define kshpid rndsetupstate.kshpid_v 63103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define kshpgrp rndsetupstate.kshpgrp_v 63203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define kshuid rndsetupstate.kshuid_v 63303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define ksheuid rndsetupstate.ksheuid_v 63403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define kshgid rndsetupstate.kshgid_v 63503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define kshegid rndsetupstate.kshegid_v 63603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define kshppid rndsetupstate.kshppid_v 6375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* option processing */ 6405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OF_CMDLINE 0x01 /* command line */ 6415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OF_SET 0x02 /* set builtin */ 6425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OF_SPECIAL 0x04 /* a special variable changing */ 6435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OF_INTERNAL 0x08 /* set internally by shell */ 6445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OF_FIRSTTIME 0x10 /* as early as possible, once */ 6455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OF_ANY (OF_CMDLINE | OF_SET | OF_SPECIAL | OF_INTERNAL) 6465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct shoption { 6485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *name; /* long name of option */ 6495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char c; /* character flag (if any) */ 6505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru unsigned char flags; /* OF_* */ 6515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 6525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern const struct shoption options[]; 6535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 65403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* null value for variable; comparison pointer for unset */ 65503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN char null[] E_INIT(""); 6565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* helpers for string pooling */ 65703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tintovfl[] E_INIT("integer overflow %zu %c %zu prevented"); 65803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Toomem[] E_INIT("can't allocate %lu data bytes"); 65903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#if defined(__GNUC__) 66003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* trust this to have string pooling; -Wformat bitches otherwise */ 66103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Tsynerr "syntax error" 66203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 66303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tsynerr[] E_INIT("syntax error"); 66403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 66503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tselect[] E_INIT("select"); 66603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tr_fc_e_dash[] E_INIT("r=fc -e -"); 66703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Tfc_e_dash (Tr_fc_e_dash + 2) /* "fc -e -" */ 66803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Zfc_e_dash 7 /* strlen(Tfc_e_dash) */ 66903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tlocal_typeset[] E_INIT("local=typeset"); 67003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define T_typeset (Tlocal_typeset + 5) /* "=typeset" */ 67103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Ttypeset (Tlocal_typeset + 6) /* "typeset" */ 67203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tpalias[] E_INIT("+alias"); 67303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Talias (Tpalias + 1) /* "alias" */ 67403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tpunalias[] E_INIT("+unalias"); 67503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Tunalias (Tpunalias + 1) /* "unalias" */ 67603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tsgset[] E_INIT("*=set"); 67703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Tset (Tsgset + 2) /* "set" */ 67803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char Tgbuiltin[] E_INIT("=builtin"); 67903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Tbuiltin (Tgbuiltin + 1) /* "builtin" */ 68003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN const char T_function[] E_INIT(" function"); 68103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define Tfunction (T_function + 1) /* "function" */ 6825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruenum temp_type { 6845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TT_HEREDOC_EXP, /* expanded heredoc */ 6855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TT_HIST_EDIT /* temp file used for history editing (fc -e) */ 6865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 6875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef enum temp_type Temp_type; 6885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* temp/heredoc files. The file is removed when the struct is freed. */ 6895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct temp { 6905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct temp *next; 6915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct shf *shf; 6925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *name; 6935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int pid; /* pid of process parsed here-doc */ 6945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Temp_type type; 6955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 6965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 6975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 6985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * stdio and our IO routines 6995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 7005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define shl_spare (&shf_iob[0]) /* for c_read()/c_print() */ 7025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define shl_stdout (&shf_iob[1]) 7035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define shl_out (&shf_iob[2]) 70403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN bool shl_stdout_ok; 7055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 7075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * trap handlers 7085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 7095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef struct trap { 7105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *name; /* short name */ 7115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *mess; /* descriptive name */ 7125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *trap; /* trap command */ 7135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sig_t cursig; /* current handler (valid if TF_ORIG_* set) */ 7145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru sig_t shtrap; /* shell signal handler */ 7155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int signal; /* signal number */ 7165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int flags; /* TF_* */ 7175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru volatile sig_atomic_t set; /* trap pending */ 7185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} Trap; 7195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* values for Trap.flags */ 7215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_SHELL_USES BIT(0) /* shell uses signal, user can't change */ 7225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_USER_SET BIT(1) /* user has (tried to) set trap */ 7235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_ORIG_IGN BIT(2) /* original action was SIG_IGN */ 7245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_ORIG_DFL BIT(3) /* original action was SIG_DFL */ 7255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_EXEC_IGN BIT(4) /* restore SIG_IGN just before exec */ 7265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_EXEC_DFL BIT(5) /* restore SIG_DFL just before exec */ 7275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_DFL_INTR BIT(6) /* when received, default action is LINTR */ 7285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_TTY_INTR BIT(7) /* tty generated signal (see j_waitj) */ 7295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_CHANGED BIT(8) /* used by runtrap() to detect trap changes */ 7305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TF_FATAL BIT(9) /* causes termination if not trapped */ 7315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* values for setsig()/setexecsig() flags argument */ 7335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SS_RESTORE_MASK 0x3 /* how to restore a signal before an exec() */ 7345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SS_RESTORE_CURR 0 /* leave current handler in place */ 7355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SS_RESTORE_ORIG 1 /* restore original handler */ 7365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SS_RESTORE_DFL 2 /* restore to SIG_DFL */ 7375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SS_RESTORE_IGN 3 /* restore to SIG_IGN */ 7385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SS_FORCE BIT(3) /* set signal even if original signal ignored */ 7395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SS_USER BIT(4) /* user is doing the set (ie, trap command) */ 7405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SS_SHTRAP BIT(5) /* trap for internal use (ALRM, CHLD, WINCH) */ 7415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 74203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define ksh_SIGEXIT 0 /* for trap EXIT */ 74303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define ksh_SIGERR NSIG /* for trap ERR */ 7445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN volatile sig_atomic_t trap; /* traps pending? */ 7465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN volatile sig_atomic_t intrsig; /* pending trap interrupts command */ 74703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN volatile sig_atomic_t fatal_trap; /* received a fatal signal */ 7485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern Trap sigtraps[NSIG+1]; 7495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* got_winch = 1 when we need to re-adjust the window size */ 7515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef SIGWINCH 75203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN volatile sig_atomic_t got_winch E_INIT(1); 7535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 7545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define got_winch true 7555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 7565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 7585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * TMOUT support 7595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 7605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* values for ksh_tmout_state */ 7615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruenum tmout_enum { 7625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TMOUT_EXECUTING = 0, /* executing commands */ 7635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TMOUT_READING, /* waiting for input */ 7645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TMOUT_LEAVING /* have timed out */ 7655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 7665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN unsigned int ksh_tmout; 76703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN enum tmout_enum ksh_tmout_state E_INIT(TMOUT_EXECUTING); 7685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* For "You have stopped jobs" message */ 7705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN int really_exit; 7715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 7735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * fast character classes 7745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 7755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_ALPHA BIT(0) /* a-z_A-Z */ 7765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_DIGIT BIT(1) /* 0-9 */ 7775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_LEX1 BIT(2) /* \t \n\0|&;<>() */ 7785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_VAR1 BIT(3) /* *@#!$-? */ 7795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_IFSWS BIT(4) /* \t \n (IFS white space) */ 7805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_SUBOP1 BIT(5) /* "=-+?" */ 7815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_QUOTE BIT(6) /* \t\n "#$&'()*;<=>?[\]`| (needing quoting) */ 7825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_IFS BIT(7) /* $IFS */ 7835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define C_SUBOP2 BIT(8) /* "#%" (magic, see below) */ 7845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern unsigned char chtypes[]; 7865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 78703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define ctype(c, t) tobool( ((t) == C_SUBOP2) ? \ 7885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (((c) == '#' || (c) == '%') ? 1 : 0) : \ 78903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (chtypes[(unsigned char)(c)] & (t)) ) 7905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_isalphx(c) ctype((c), C_ALPHA) 7915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ksh_isalnux(c) ctype((c), C_ALPHA | C_DIGIT) 7925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 79303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN int ifs0 E_INIT(' '); /* for "$*" */ 7945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Argument parsing for built-in commands and getopts command */ 7965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 7975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Values for Getopt.flags */ 7985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define GF_ERROR BIT(0) /* call errorf() if there is an error */ 7995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define GF_PLUSOPT BIT(1) /* allow +c as an option */ 8005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define GF_NONAME BIT(2) /* don't print argv[0] in errors */ 8015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Values for Getopt.info */ 8035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define GI_MINUS BIT(0) /* an option started with -... */ 8045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define GI_PLUS BIT(1) /* an option started with +... */ 8055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define GI_MINUSMINUS BIT(2) /* arguments were ended with -- */ 8065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 80703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* in case some OS defines these */ 80803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#undef optarg 80903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#undef optind 81003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 8115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef struct { 81203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra const char *optarg; 81303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int optind; 81403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int uoptind; /* what user sees in $OPTIND */ 81503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int flags; /* see GF_* */ 81603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int info; /* see GI_* */ 81703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra unsigned int p; /* 0 or index into argv[optind - 1] */ 81803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra char buf[2]; /* for bad option OPTARG value */ 8195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} Getopt; 8205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN Getopt builtin_opt; /* for shell builtin commands */ 8225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN Getopt user_opt; /* parsing state for getopts builtin command */ 8235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* This for co-processes */ 8255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 82603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* something that won't (realisticly) wrap */ 82703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condratypedef int32_t Coproc_id; 82803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 8295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct coproc { 8305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru void *job; /* 0 or job of co-process using input pipe */ 8315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int read; /* pipe from co-process's stdout */ 8325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int readw; /* other side of read (saved temporarily) */ 8335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int write; /* pipe to co-process's stdin */ 8345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int njobs; /* number of live jobs using output pipe */ 8355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Coproc_id id; /* id of current output pipe */ 8365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 8375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN struct coproc coproc; 8385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 83903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifndef MKSH_NOPROSPECTOFWORK 84003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* used in jobs.c and by coprocess stuff in exec.c and select() calls */ 8415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN sigset_t sm_default, sm_sigchld; 84203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 8435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* name of called builtin function (used by error functions) */ 8455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN const char *builtin_argv0; 84603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* flags of called builtin (SPEC_BI, etc.) */ 84703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN uint32_t builtin_flag; 8485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 84903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* current working directory */ 8505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN char *current_wd; 8515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 85203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* 85303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * Minimum required space to work with on a line - if the prompt leaves 85403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * less space than this on a line, the prompt is truncated. 8555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 8565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MIN_EDIT_SPACE 7 85703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* 85803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * Minimum allowed value for x_cols: 2 for prompt, 3 for " < " at end of line 8595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 8605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MIN_COLS (2 + MIN_EDIT_SPACE + 3) 8615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MIN_LINS 3 86203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN mksh_ari_t x_cols E_INIT(80); /* tty columns */ 86303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN mksh_ari_t x_lins E_INIT(-1); /* tty lines */ 8645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* These to avoid bracket matching problems */ 8665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OPAREN '(' 8675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CPAREN ')' 8685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OBRACK '[' 8695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CBRACK ']' 8705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OBRACE '{' 8715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CBRACE '}' 8725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 87303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 8745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Determine the location of the system (common) profile */ 87503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 87603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* This is deliberately not configurable via CPPFLAGS */ 87703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#if defined(ANDROID) 87803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_ETC_LOCATION "/system/etc" 87903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 88003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_ETC_LOCATION "/etc" 88103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 88203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 88303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_SYSTEM_PROFILE MKSH_ETC_LOCATION "/profile" 88403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define MKSH_SUID_PROFILE MKSH_ETC_LOCATION "/suid_profile" 88503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 8865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Used by v_evaluate() and setstr() to control action when error occurs */ 8885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define KSH_UNWIND_ERROR 0 /* unwind the stack (longjmp) */ 8895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define KSH_RETURN_ERROR 1 /* return 1/0 for success/failure */ 8905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 8915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 8925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Shell file I/O routines 8935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 8945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 89503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define SHF_BSIZE 512 8965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 89703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define shf_fileno(shf) ((shf)->fd) 8985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define shf_setfileno(shf,nfd) ((shf)->fd = (nfd)) 89903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define shf_getc_(shf) ((shf)->rnleft > 0 ? \ 9005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (shf)->rnleft--, *(shf)->rp++ : \ 9015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_getchar(shf)) 90203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define shf_putc_(c, shf) ((shf)->wnleft == 0 ? \ 9035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru shf_putchar((c), (shf)) : \ 9045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ((shf)->wnleft--, *(shf)->wp++ = (c))) 9055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define shf_eof(shf) ((shf)->flags & SHF_EOF) 9065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define shf_error(shf) ((shf)->flags & SHF_ERROR) 90703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define shf_errno(shf) ((shf)->errnosv) 9085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define shf_clearerr(shf) ((shf)->flags &= ~(SHF_EOF | SHF_ERROR)) 9095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Flags passed to shf_*open() */ 9115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_RD 0x0001 9125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_WR 0x0002 9135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_RDWR (SHF_RD|SHF_WR) 9145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_ACCMODE 0x0003 /* mask */ 9155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_GETFL 0x0004 /* use fcntl() to figure RD/WR flags */ 9165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_UNBUF 0x0008 /* unbuffered I/O */ 9175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_CLEXEC 0x0010 /* set close on exec flag */ 9185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_MAPHI 0x0020 /* make fd > FDBASE (and close orig) 9195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * (shf_open() only) */ 9205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_DYNAMIC 0x0040 /* string: increase buffer as needed */ 9215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_INTERRUPT 0x0080 /* EINTR in read/write causes error */ 9225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Flags used internally */ 9235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_STRING 0x0100 /* a string, not a file */ 9245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_ALLOCS 0x0200 /* shf and shf->buf were alloc()ed */ 9255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_ALLOCB 0x0400 /* shf->buf was alloc()ed */ 9265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_ERROR 0x0800 /* read()/write() error */ 9275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_EOF 0x1000 /* read eof (sticky) */ 9285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_READING 0x2000 /* currently reading: rnleft,rp valid */ 9295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SHF_WRITING 0x4000 /* currently writing: wnleft,wp valid */ 9305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct shf { 9335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Area *areap; /* area shf/buf were allocated in */ 9345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru unsigned char *rp; /* read: current position in buffer */ 9355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru unsigned char *wp; /* write: current position in buffer */ 9365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru unsigned char *buf; /* buffer */ 93703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ssize_t bsize; /* actual size of buf */ 93803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ssize_t rbsize; /* size of buffer (1 if SHF_UNBUF) */ 93903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ssize_t rnleft; /* read: how much data left in buffer */ 94003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ssize_t wbsize; /* size of buffer (0 if SHF_UNBUF) */ 94103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ssize_t wnleft; /* write: how much space left in buffer */ 9425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int flags; /* see SHF_* */ 9435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int fd; /* file descriptor */ 94403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int errnosv; /* saved value of errno after error */ 9455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 9465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern struct shf shf_iob[]; 9485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct table { 9505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Area *areap; /* area to allocate entries */ 9515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct tbl **tbls; /* hashed table items */ 95203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra size_t nfree; /* free table entries */ 95303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra uint8_t tshift; /* table size (2^tshift) */ 9545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 9555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 95603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* table item */ 95703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrastruct tbl { 95803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* Area to allocate from */ 95903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra Area *areap; 96003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* value */ 9615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru union { 96203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra char *s; /* string */ 96303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra mksh_ari_t i; /* integer */ 96403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra mksh_uari_t u; /* unsigned integer */ 96503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int (*f)(const char **); /* built-in command */ 96603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra struct op *t; /* "function" tree */ 96703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra } val; 9685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru union { 9695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct tbl *array; /* array values */ 9705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *fpath; /* temporary path to undef function */ 9715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } u; 9725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru union { 97303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int field; /* field with for -L/-R/-Z */ 97403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int errnov; /* CEXEC/CTALIAS */ 9755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } u2; 9765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru union { 9775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru uint32_t hval; /* hash(name) */ 9785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru uint32_t index; /* index for an array */ 9795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } ua; 98003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* 98103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * command type (see below), base (if INTEGER), 98203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * offset from val.s of value (if EXPORT) 98303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra */ 98403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int type; 98503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* flags (see below) */ 98603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra uint32_t flag; 98703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 98803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* actually longer: name (variable length) */ 98903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra char name[4]; 9905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 9915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 9925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* common flag bits */ 9935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ALLOC BIT(0) /* val.s has been allocated */ 9945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DEFINED BIT(1) /* is defined in block */ 9955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ISSET BIT(2) /* has value, vp->val.[si] */ 9965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define EXPORT BIT(3) /* exported variable/function */ 9975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TRACE BIT(4) /* var: user flagged, func: execution tracing */ 9985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* (start non-common flags at 8) */ 9995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* flag bits used for variables */ 10005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SPECIAL BIT(8) /* PATH, IFS, SECONDS, etc */ 10015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define INTEGER BIT(9) /* val.i contains integer value */ 10025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define RDONLY BIT(10) /* read-only variable */ 10035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LOCAL BIT(11) /* for local typeset() */ 10045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ARRAY BIT(13) /* array */ 10055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LJUST BIT(14) /* left justify */ 10065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define RJUST BIT(15) /* right justify */ 10075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ZEROFIL BIT(16) /* 0 filled if RJUSTIFY, strip 0s if LJUSTIFY */ 10085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LCASEV BIT(17) /* convert to lower case */ 10095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define UCASEV_AL BIT(18) /* convert to upper case / autoload function */ 10105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define INT_U BIT(19) /* unsigned integer */ 101103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define INT_L BIT(20) /* long integer (no-op but used as magic) */ 10125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define IMPORT BIT(21) /* flag to typeset(): no arrays, must have = */ 10135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LOCAL_COPY BIT(22) /* with LOCAL - copy attrs from existing var */ 10145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define EXPRINEVAL BIT(23) /* contents currently being evaluated */ 10155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define EXPRLVALUE BIT(24) /* useable as lvalue (temp flag) */ 10165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define AINDEX BIT(25) /* array index >0 = ua.index filled in */ 10175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ASSOC BIT(26) /* ARRAY ? associative : reference */ 10185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* flag bits used for taliases/builtins/aliases/keywords/functions */ 10195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define KEEPASN BIT(8) /* keep command assignments (eg, var=x cmd) */ 10205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FINUSE BIT(9) /* function being executed */ 10215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FDELETE BIT(10) /* function deleted while it was executing */ 10225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FKSH BIT(11) /* function defined with function x (vs x()) */ 10235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SPEC_BI BIT(12) /* a POSIX special builtin */ 10245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define REG_BI BIT(13) /* a POSIX regular builtin */ 102503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* 102603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * Attributes that can be set by the user (used to decide if an unset 102703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * param should be repoted by set/typeset). Does not include ARRAY or 102803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra * LOCAL. 10295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 10305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define USERATTRIB (EXPORT|INTEGER|RDONLY|LJUST|RJUST|ZEROFIL|\ 10315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru LCASEV|UCASEV_AL|INT_U|INT_L) 10325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define arrayindex(vp) ((unsigned long)((vp)->flag & AINDEX ? \ 10345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (vp)->ua.index : 0)) 10355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 103603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN enum { 103703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra SRF_NOP, 103803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra SRF_ENABLE, 103903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra SRF_DISABLE 104003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} set_refflag E_INIT(SRF_NOP); 104103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 10425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* command types */ 10435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CNONE 0 /* undefined */ 10445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CSHELL 1 /* built-in */ 10455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CFUNC 2 /* function */ 10465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CEXEC 4 /* executable command */ 10475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CALIAS 5 /* alias */ 10485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CKEYWD 6 /* keyword */ 10495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CTALIAS 7 /* tracked alias */ 10505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Flags for findcom()/comexec() */ 10525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FC_SPECBI BIT(0) /* special builtin */ 10535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FC_FUNC BIT(1) /* function builtin */ 10545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FC_REGBI BIT(2) /* regular builtin */ 10555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FC_UNREGBI BIT(3) /* un-regular builtin (!special,!regular) */ 10565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FC_BI (FC_SPECBI|FC_REGBI|FC_UNREGBI) 10575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FC_PATH BIT(4) /* do path search */ 10585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FC_DEFPATH BIT(5) /* use default path in path search */ 10595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define AF_ARGV_ALLOC 0x1 /* argv[] array allocated */ 10625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define AF_ARGS_ALLOCED 0x2 /* argument strings allocated */ 10635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define AI_ARGV(a, i) ((i) == 0 ? (a).argv[0] : (a).argv[(i) - (a).skip]) 106403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define AI_ARGC(a) ((a).ai_argc - (a).skip) 10655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Argument info. Used for $#, $* for shell, functions, includes, etc. */ 10675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct arg_info { 10685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char **argv; 10695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int flags; /* AF_* */ 107003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int ai_argc; 10715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int skip; /* first arg is argv[0], second is argv[1 + skip] */ 10725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 10735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 10755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * activation record for function blocks 10765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 10775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct block { 10785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Area area; /* area to allocate things */ 10795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char **argv; 10805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *error; /* error handler */ 10815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *exit; /* exit handler */ 10825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct block *next; /* enclosing block */ 10835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct table vars; /* local variables */ 10845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct table funs; /* local functions */ 10855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Getopt getopts_state; 10865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int argc; 10875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int flags; /* see BF_* */ 10885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 10895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Values for struct block.flags */ 10915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define BF_DOGETOPTS BIT(0) /* save/restore getopts state */ 10925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 10935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 10945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Used by ktwalk() and ktnext() routines. 10955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 10965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tstate { 10975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct tbl **next; 10985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru ssize_t left; 10995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 11005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN struct table taliases; /* tracked aliases */ 11025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN struct table builtins; /* built-in commands */ 11035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN struct table aliases; /* aliases */ 11045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN struct table keywords; /* keywords */ 11055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_NOPWNAM 11065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN struct table homedirs; /* homedir() cache */ 11075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 11085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct builtin { 11105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *name; 11115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int (*func)(const char **); 11125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 11135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern const struct builtin mkshbuiltins[]; 11155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* values for set_prompt() */ 11175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PS1 0 /* command */ 11185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define PS2 1 /* command continuation */ 11195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN char *path; /* copy of either PATH or def_path */ 11215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN const char *def_path; /* path to use if PATH not set */ 11225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN char *tmpdir; /* TMPDIR value */ 11235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN const char *prompt; 11245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN int cur_prompt; /* PS1 or PS2 */ 11255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN int current_lineno; /* LINENO value */ 11265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NOBLOCK ((struct op *)NULL) 11285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NOWORD ((char *)NULL) 11295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define NOWORDS ((char **)NULL) 11305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 11325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * Description of a command or an operation on commands. 11335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 11345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct op { 11355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char **args; /* arguments to a command */ 11365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char **vars; /* variable assignments */ 11375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct ioword **ioact; /* IO actions (eg, < > >>) */ 11385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct op *left, *right; /* descendents */ 11395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *str; /* word for case; identifier for for, 11405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * select, and functions; 11415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * path to execute for TEXEC; 11425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * time hook for TCOM. 11435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 11445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int lineno; /* TCOM/TFUNC: LINENO for this */ 11455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru short type; /* operation type, see below */ 114603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* WARNING: newtp(), tcopy() use evalflags = 0 to clear union */ 114703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra union { 114803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* TCOM: arg expansion eval() flags */ 114903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra short evalflags; 115003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* TFUNC: function x (vs x()) */ 115103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra short ksh_func; 115203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* TPAT: termination character */ 115303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra char charflag; 11545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } u; 11555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 11565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Tree.type values */ 11585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TEOF 0 11595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TCOM 1 /* command */ 11605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TPAREN 2 /* (c-list) */ 11615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TPIPE 3 /* a | b */ 11625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TLIST 4 /* a ; b */ 11635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TOR 5 /* || */ 11645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TAND 6 /* && */ 11655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TBANG 7 /* ! */ 11665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TDBRACKET 8 /* [[ .. ]] */ 11675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TFOR 9 11685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TSELECT 10 11695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TCASE 11 11705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TIF 12 11715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TWHILE 13 11725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TUNTIL 14 11735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TELIF 15 11745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TPAT 16 /* pattern in case */ 11755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TBRACE 17 /* {c-list} */ 11765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TASYNC 18 /* c & */ 11775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TFUNCT 19 /* function name { command; } */ 11785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TTIME 20 /* time pipeline */ 11795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TEXEC 21 /* fork/exec eval'd TCOM */ 11805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TCOPROC 22 /* coprocess |& */ 11815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 11835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * prefix codes for words in command tree 11845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 11855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define EOS 0 /* end of string */ 11865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CHAR 1 /* unquoted character */ 11875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define QCHAR 2 /* quoted character */ 11885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define COMSUB 3 /* $() substitution (0 terminated) */ 11895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define EXPRSUB 4 /* $(()) substitution (0 terminated) */ 11905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OQUOTE 5 /* opening " or ' */ 11915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CQUOTE 6 /* closing " or ' */ 11925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OSUBST 7 /* opening ${ subst (followed by { or X) */ 11935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CSUBST 8 /* closing } of above (followed by } or X) */ 11945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define OPAT 9 /* open pattern: *(, @(, etc. */ 11955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SPAT 10 /* separate pattern: | */ 11965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CPAT 11 /* close pattern: ) */ 11975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ADELIM 12 /* arbitrary delimiter: ${foo:2:3} ${foo/bar/baz} */ 11985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 11995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 12005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * IO redirection 12015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 12025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct ioword { 120303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int unit; /* unit affected */ 120403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int flag; /* action (below) */ 120503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra char *name; /* file name (unused if heredoc) */ 120603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra char *delim; /* delimiter for <<,<<- */ 120703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra char *heredoc; /* content of heredoc */ 12085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 12095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* ioword.flag - type of redirection */ 121103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOTYPE 0xF /* type: bits 0:3 */ 121203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOREAD 0x1 /* < */ 121303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOWRITE 0x2 /* > */ 121403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IORDWR 0x3 /* <>: todo */ 121503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOHERE 0x4 /* << (here file) */ 121603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOCAT 0x5 /* >> */ 121703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IODUP 0x6 /* <&/>& */ 121803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOEVAL BIT(4) /* expand in << */ 121903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOSKIP BIT(5) /* <<-, skip ^\t* */ 122003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOCLOB BIT(6) /* >|, override -o noclobber */ 122103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IORDUP BIT(7) /* x<&y (as opposed to x>&y) */ 122203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IONAMEXP BIT(8) /* name has been expanded */ 122303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOBASH BIT(9) /* &> etc. */ 122403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IOHERESTR BIT(10) /* <<< (here string) */ 122503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define IONDELIM BIT(11) /* null delimiter (<<) */ 12265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* execute/exchild flags */ 12285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XEXEC BIT(0) /* execute without forking */ 12295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XFORK BIT(1) /* fork before executing */ 12305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XBGND BIT(2) /* command & */ 12315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPIPEI BIT(3) /* input is pipe */ 12325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPIPEO BIT(4) /* output is pipe */ 12335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPIPE (XPIPEI|XPIPEO) /* member of pipe */ 12345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XXCOM BIT(5) /* `...` command */ 12355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPCLOSE BIT(6) /* exchild: close close_fd in parent */ 12365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XCCLOSE BIT(7) /* exchild: close close_fd in child */ 12375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XERROK BIT(8) /* non-zero exit ok (for set -e) */ 12385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XCOPROC BIT(9) /* starting a co-process */ 12395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XTIME BIT(10) /* timing TCOM command */ 124003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define XPIPEST BIT(11) /* want PIPESTATUS */ 12415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 12435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * flags to control expansion of words (assumed by t->evalflags to fit 12445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * in a short) 12455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 12465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DOBLANK BIT(0) /* perform blank interpretation */ 12475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DOGLOB BIT(1) /* expand [?* */ 12485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DOPAT BIT(2) /* quote *?[ */ 12495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DOTILDE BIT(3) /* normal ~ expansion (first char) */ 12505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DONTRUNCOMMAND BIT(4) /* do not run $(command) things */ 12515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DOASNTILDE BIT(5) /* assignment ~ expansion (after =, :) */ 125203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define DOBRACE BIT(6) /* used by expand(): do brace expansion */ 125303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define DOMAGIC BIT(7) /* used by expand(): string contains MAGIC */ 125403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define DOTEMP BIT(8) /* dito: in word part of ${..[%#=?]..} */ 12555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DOVACHECK BIT(9) /* var assign check (for typeset, set, etc) */ 12565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DOMARKDIRS BIT(10) /* force markdirs behaviour */ 12575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 12595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * The arguments of [[ .. ]] expressions are kept in t->args[] and flags 12605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * indicating how the arguments have been munged are kept in t->vars[]. 12615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * The contents of t->vars[] are stuffed strings (so they can be treated 12625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * like all other t->vars[]) in which the second character is the one that 12635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * is examined. The DB_* defines are the values for these second characters. 12645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 12655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DB_NORM 1 /* normal argument */ 12665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DB_OR 2 /* || -> -o conversion */ 12675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DB_AND 3 /* && -> -a conversion */ 12685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DB_BE 4 /* an inserted -BE */ 12695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DB_PAT 5 /* a pattern argument */ 12705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 127103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define X_EXTRA 20 /* this many extra bytes in X string */ 12725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef struct XString { 12745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *end, *beg; /* end, begin of string */ 12755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru size_t len; /* length */ 12765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Area *areap; /* area to allocate/free from */ 12775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} XString; 12785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef char *XStringP; 12805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* initialise expandable string */ 12825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XinitN(xs, length, area) do { \ 12835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (xs).len = (length); \ 12845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (xs).areap = (area); \ 12855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (xs).beg = alloc((xs).len + X_EXTRA, (xs).areap); \ 12865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (xs).end = (xs).beg + (xs).len; \ 12875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 12885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xinit(xs, xp, length, area) do { \ 12895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru XinitN((xs), (length), (area)); \ 12905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (xp) = (xs).beg; \ 12915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 12925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* stuff char into string */ 12945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xput(xs, xp, c) (*xp++ = (c)) 12955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 12965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* check if there are at least n bytes left */ 12975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XcheckN(xs, xp, n) do { \ 129803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ssize_t more = ((xp) + (n)) - (xs).end; \ 12995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if (more > 0) \ 13005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (xp) = Xcheck_grow_(&(xs), (xp), more); \ 13015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 13025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* check for overflow, expand string */ 13045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xcheck(xs, xp) XcheckN((xs), (xp), 1) 13055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* free string */ 13075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xfree(xs, xp) afree((xs).beg, (xs).areap) 13085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* close, return string */ 13105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xclose(xs, xp) aresize((xs).beg, (xp) - (xs).beg, (xs).areap) 13115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* begin of string */ 13135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xstring(xs, xp) ((xs).beg) 13145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xnleft(xs, xp) ((xs).end - (xp)) /* may be less than 0 */ 13165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xlength(xs, xp) ((xp) - (xs).beg) 13175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xsize(xs, xp) ((xs).end - (xs).beg) 13185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xsavepos(xs, xp) ((xp) - (xs).beg) 13195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define Xrestpos(xs, xp, n) ((xs).beg + (n)) 13205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 132103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrachar *Xcheck_grow_(XString *, const char *, size_t); 13225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* 13245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * expandable vector of generic pointers 13255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru */ 13265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef struct XPtrV { 13285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru void **cur; /* next avail pointer */ 13295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru void **beg, **end; /* begin, end of vector */ 13305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} XPtrV; 13315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPinit(x, n) do { \ 133303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra void **XPinit_vp; \ 133403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra XPinit_vp = alloc2((n), sizeof(void *), ATEMP); \ 133503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (x).cur = (x).beg = XPinit_vp; \ 133603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (x).end = XPinit_vp + (n); \ 13375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 13385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPput(x, p) do { \ 13405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru if ((x).cur >= (x).end) { \ 13415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru size_t n = XPsize(x); \ 134203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (x).beg = aresize2((x).beg, \ 134303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra n, 2 * sizeof(void *), ATEMP); \ 13445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (x).cur = (x).beg + n; \ 13455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru (x).end = (x).cur + n; \ 13465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } \ 13475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru *(x).cur++ = (p); \ 13485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} while (/* CONSTCOND */ 0) 13495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPptrv(x) ((x).beg) 13515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPsize(x) ((x).cur - (x).beg) 135203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define XPclose(x) aresize2((x).beg, XPsize(x), sizeof(void *), ATEMP) 13535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define XPfree(x) afree((x).beg, ATEMP) 13545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define IDENT 64 13565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef struct source Source; 13585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct source { 13595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *str; /* input pointer */ 13605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *start; /* start of current buffer */ 13615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru union { 13625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char **strv; /* string [] */ 13635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct shf *shf; /* shell file */ 13645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct tbl *tblp; /* alias (SF_HASALIAS) */ 13655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *freeme; /* also for SREREAD */ 13665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } u; 13675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *file; /* input file name */ 13685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int type; /* input type */ 13695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int line; /* line number */ 13705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int errline; /* line the error occurred on (0 if not set) */ 13715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int flags; /* SF_* */ 13725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Area *areap; 13735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Source *next; /* stacked source */ 13745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru XString xs; /* input buffer */ 13755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char ugbuf[2]; /* buffer for ungetsc() (SREREAD) and 13765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru * alias (SALIAS) */ 13775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 13785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Source.type values */ 13805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SEOF 0 /* input EOF */ 13815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SFILE 1 /* file input */ 13825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SSTDIN 2 /* read stdin */ 13835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SSTRING 3 /* string */ 13845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SWSTR 4 /* string without \n */ 13855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SWORDS 5 /* string[] */ 13865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SWORDSEP 6 /* string[] separator */ 13875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SALIAS 7 /* alias expansion */ 13885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SREREAD 8 /* read ahead to be re-scanned */ 13895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Source.flags values */ 13915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SF_ECHO BIT(0) /* echo input to shlout */ 13925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SF_ALIAS BIT(1) /* faking space at end of alias */ 13935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SF_ALIASEND BIT(2) /* faking space at end of alias */ 13945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SF_TTY BIT(3) /* type == SSTDIN & it is a tty */ 139503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define SF_HASALIAS BIT(4) /* u.tblp valid (SALIAS, SEOF) */ 13965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 13975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef union { 13985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int i; 13995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char *cp; 14005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru char **wp; 14015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct op *o; 14025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru struct ioword *iop; 14035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} YYSTYPE; 14045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* If something is added here, add it to tokentab[] in syn.c as well */ 14065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LWORD 256 14075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LOGAND 257 /* && */ 14085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LOGOR 258 /* || */ 14095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define BREAK 259 /* ;; */ 14105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define IF 260 14115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define THEN 261 14125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ELSE 262 14135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ELIF 263 14145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FI 264 14155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CASE 265 14165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ESAC 266 14175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FOR 267 14185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define SELECT 268 14195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define WHILE 269 14205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define UNTIL 270 14215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DO 271 14225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DONE 272 14235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define IN 273 14245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define FUNCTION 274 14255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TIME 275 14265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define REDIR 276 14275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define MDPAREN 277 /* (( )) */ 14285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define BANG 278 /* ! */ 14295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define DBRACKET 279 /* [[ .. ]] */ 14305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define COPROC 280 /* |& */ 143103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define BRKEV 281 /* ;| */ 143203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define BRKFT 282 /* ;& */ 14335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define YYERRCODE 300 14345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* flags to yylex */ 14365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CONTIN BIT(0) /* skip new lines to complete command */ 14375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ONEWORD BIT(1) /* single word for substitute() */ 14385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ALIAS BIT(2) /* recognise alias */ 14395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define KEYWORD BIT(3) /* recognise keywords */ 14405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LETEXPR BIT(4) /* get expression inside (( )) */ 14415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define VARASN BIT(5) /* check for var=word */ 14425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ARRAYVAR BIT(6) /* parse x[1 & 2] as one word */ 14435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ESACONLY BIT(7) /* only accept esac keyword */ 14445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CMDWORD BIT(8) /* parsing simple command (alias related) */ 14455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define HEREDELIM BIT(9) /* parsing <<,<<- delimiter */ 14465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define LQCHAR BIT(10) /* source string contains QCHAR */ 14475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define HEREDOC BIT(11) /* parsing a here document */ 14485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 144903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define HERES 10 /* max number of << in line */ 14505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#undef CTRL 14525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define CTRL(x) ((x) == '?' ? 0x7F : (x) & 0x1F) /* ASCII */ 14535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define UNCTRL(x) ((x) ^ 0x40) /* ASCII */ 14545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN Source *source; /* yyparse/yylex source */ 145603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN YYSTYPE yylval; /* result from yylex */ 145703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN struct ioword *heres[HERES], **herep; 145803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN char ident[IDENT+1]; 14595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define HISTORYSIZE 500 /* size of saved history */ 14615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN char **history; /* saved commands */ 14635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN char **histptr; /* last history item */ 14645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN int histsize; /* history size */ 14655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 14665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* user and system time of last j_waitjed job */ 14675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN struct timeval j_usrtime, j_systime; 14685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 146903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define notoktomul(fac1, fac2) (((fac1) != 0) && ((fac2) != 0) && \ 147003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ((SIZE_MAX / (fac1)) < (fac2))) 147103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define notoktoadd(val, cnst) ((val) > (SIZE_MAX - (cnst))) 147203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define checkoktoadd(val, cnst) do { \ 147303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if (notoktoadd((val), (cnst))) \ 147403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra internal_errorf(Tintovfl, (size_t)(val), \ 147503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra '+', (size_t)(cnst)); \ 147603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} while (/* CONSTCOND */ 0) 147703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 147803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 147903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* NZAT/NZAAT hashes based on Bob Jenkins' one-at-a-time hash */ 148003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 148103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* From: src/kern/include/nzat.h,v 1.2 2011/07/18 00:35:40 tg Exp $ */ 148203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 148303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define NZATInit(h) do { \ 148403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) = 0; \ 148503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} while (/* CONSTCOND */ 0) 148603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 148703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define NZATUpdateByte(h,b) do { \ 148803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) += (uint8_t)(b); \ 148903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ++(h); \ 149003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) += (h) << 10; \ 149103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) ^= (h) >> 6; \ 149203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} while (/* CONSTCOND */ 0) 149303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 149403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define NZATUpdateMem(h,p,z) do { \ 149503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra register const uint8_t *NZATUpdateMem_p; \ 149603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra register size_t NZATUpdateMem_z = (z); \ 149703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra \ 149803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra NZATUpdateMem_p = (const void *)(p); \ 149903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra while (NZATUpdateMem_z--) \ 150003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra NZATUpdateByte((h), *NZATUpdateMem_p++); \ 150103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} while (/* CONSTCOND */ 0) 150203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 150303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define NZATUpdateString(h,s) do { \ 150403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra register const char *NZATUpdateString_s; \ 150503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra register uint8_t NZATUpdateString_c; \ 150603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra \ 150703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra NZATUpdateString_s = (const void *)(s); \ 150803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra while ((NZATUpdateString_c = *NZATUpdateString_s++)) \ 150903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra NZATUpdateByte((h), NZATUpdateString_c); \ 151003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} while (/* CONSTCOND */ 0) 151103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 151203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* not zero after termination */ 151303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define NZATFinish(h) do { \ 151403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra if ((h) == 0) \ 151503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra ++(h); \ 151603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra else \ 151703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra NZAATFinish(h); \ 151803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} while (/* CONSTCOND */ 0) 151903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 152003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* NULs zählen an allen Teilen */ 152103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define NZAATFinish(h) do { \ 152203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) += (h) << 10; \ 152303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) ^= (h) >> 6; \ 152403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) += (h) << 3; \ 152503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) ^= (h) >> 11; \ 152603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra (h) += (h) << 15; \ 152703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra} while (/* CONSTCOND */ 0) 152803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 152903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra 15305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* lalloc.c */ 15315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid ainit(Area *); 15325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid afreeall(Area *); 15335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* these cannot fail and can take NULL (not for ap) */ 153403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define alloc(n, ap) aresize(NULL, (n), (ap)) 153503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define alloc2(m, n, ap) aresize2(NULL, (m), (n), (ap)) 15365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid *aresize(void *, size_t, Area *); 153703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid *aresize2(void *, size_t, size_t, Area *); 15385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid afree(void *, Area *); /* can take NULL */ 15395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* edit.c */ 15405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_SMALL 15415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint x_bind(const char *, const char *, bool, bool); 15425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#else 15435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint x_bind(const char *, const char *, bool); 15445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 15455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid x_init(void); 154603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid x_mkraw(int, struct termios *, bool); 15475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint x_read(char *, size_t); 15485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* eval.c */ 15495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *substitute(const char *, int); 15505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar **eval(const char **, int); 15515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *evalstr(const char *cp, int); 15525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *evalonestr(const char *cp, int); 15535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *debunk(char *, const char *, size_t); 15545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid expand(const char *, XPtrV *, int); 15555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint glob_str(char *, XPtrV *, int); 15565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* exec.c */ 15575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint execute(struct op * volatile, volatile int, volatile int * volatile); 15585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint shcomexec(const char **); 15595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tbl *findfunc(const char *, uint32_t, bool); 15605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint define(const char *, struct op *); 156103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraconst char *builtin(const char *, int (*)(const char **)); 15625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tbl *findcom(const char *, int); 156303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid flushcom(bool); 156403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraconst char *search_path(const char *, const char *, int, int *); 15655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint pr_menu(const char * const *); 15665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint pr_list(char * const *); 15675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* expr.c */ 15685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint evaluate(const char *, mksh_ari_t *, int, bool); 15695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint v_evaluate(struct tbl *, const char *, volatile int, bool); 15705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* UTF-8 stuff */ 15715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querusize_t utf_mbtowc(unsigned int *, const char *); 15725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querusize_t utf_wctomb(char *, unsigned int); 15735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint utf_widthadj(const char *, const char **); 157403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrasize_t utf_mbswidth(const char *); 15755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruconst char *utf_skipcols(const char *, int); 15765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querusize_t utf_ptradj(const char *); 15775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_mirbsd_wcwidth 15785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint utf_wcwidth(unsigned int); 15795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 158003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraint ksh_access(const char *, int); 15815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* funcs.c */ 15825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_hash(const char **); 15835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_pwd(const char **); 15845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_print(const char **); 15855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef MKSH_PRINTF_BUILTIN 15865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_printf(const char **); 15875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 15885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_whence(const char **); 15895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_command(const char **); 15905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_typeset(const char **); 15915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_alias(const char **); 15925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_unalias(const char **); 15935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_let(const char **); 15945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_jobs(const char **); 15955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 15965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_fgbg(const char **); 15975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 15985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_kill(const char **); 15995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid getopts_reset(int); 16005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_getopts(const char **); 16015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_bind(const char **); 16025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_shift(const char **); 16035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_umask(const char **); 16045155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_dot(const char **); 16055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_wait(const char **); 16065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_read(const char **); 16075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_eval(const char **); 16085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_trap(const char **); 16095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_brkcont(const char **); 16105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_exitreturn(const char **); 16115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_set(const char **); 16125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_unset(const char **); 16135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_ulimit(const char **); 16145155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_times(const char **); 16155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint timex(struct op *, int, volatile int *); 16165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid timex_hook(struct op *, char ** volatile *); 16175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_exec(const char **); 161803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* dummy function (just need pointer value), special case in comexec() */ 161903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define c_builtin shcomexec 16205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_test(const char **); 16215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_MKNOD 16225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_mknod(const char **); 16235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 16245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_realpath(const char **); 16255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_rename(const char **); 162603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraint c_cat(const char **); 162703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraint c_sleep(const char **); 16285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* histrap.c */ 16295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid init_histvec(void); 16305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid hist_init(Source *); 16315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_PERSISTENT_HISTORY 16325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid hist_finish(void); 16335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 16345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid histsave(int *, const char *, bool, bool); 16355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if !defined(MKSH_SMALL) && HAVE_PERSISTENT_HISTORY 16365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querubool histsync(void); 16375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 16385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint c_fc(const char **); 16395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid sethistsize(int); 16405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#if HAVE_PERSISTENT_HISTORY 16415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid sethistfile(const char *); 16425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 16435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar **histpos(void); 16445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint histnum(int); 16455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint findhist(int, int, const char *, int); 16465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar **hist_get_newest(bool); 16475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid inittraps(void); 16485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid alarm_init(void); 16495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruTrap *gettrap(const char *, int); 16505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid trapsig(int); 16515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid intrcheck(void); 16525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint fatal_trap_check(void); 16535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint trap_pending(void); 16545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid runtraps(int intr); 165503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid runtrap(Trap *, bool); 16565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid cleartraps(void); 16575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid restoresigs(void); 16585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid settrap(Trap *, const char *); 16595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint block_pipe(void); 16605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid restore_pipe(int); 16615155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint setsig(Trap *, sig_t, int); 16625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid setexecsig(Trap *, int); 16635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* jobs.c */ 16645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid j_init(void); 16655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid j_exit(void); 16665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 16675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid j_change(void); 16685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 16695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint exchild(struct op *, int, volatile int *, int); 16705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid startlast(void); 16715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint waitlast(void); 16725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint waitfor(const char *, int *); 16735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint j_kill(const char *, int); 16745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifndef MKSH_UNEMPLOYED 16755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint j_resume(const char *, int); 16765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 16775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint j_jobs(const char *, int, int); 16785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid j_notify(void); 16795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querupid_t j_async(void); 16805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint j_stopped_running(void); 16815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* lex.c */ 16825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint yylex(int); 16835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid yyerror(const char *, ...) 16845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru MKSH_A_NORETURN 168503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 1, 2); 16865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruSource *pushs(int, Area *); 16875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid set_prompt(int, Source *); 16885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid pprompt(const char *, int); 16895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint promptlen(const char *); 16905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* main.c */ 16915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint include(const char *, int, const char **, int); 16925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint command(const char *, int); 16935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint shell(Source *volatile, int volatile); 16945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid unwind(int) MKSH_A_NORETURN; 16955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid newenv(int); 16965155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid quitenv(struct shf *); 16975155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid cleanup_parents_env(void); 16985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid cleanup_proc_env(void); 16995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid errorf(const char *, ...) 17005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru MKSH_A_NORETURN 170103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 1, 2); 170203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid errorfx(int, const char *, ...) 170303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_NORETURN 170403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 2, 3); 17055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid warningf(bool, const char *, ...) 170603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 2, 3); 17075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid bi_errorf(const char *, ...) 170803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 1, 2); 17095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define errorfz() errorf("\1") 171003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define errorfxz(rc) errorfx((rc), "\1") 17115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define bi_errorfz() bi_errorf("\1") 17125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid internal_errorf(const char *, ...) 17135155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru MKSH_A_NORETURN 171403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 1, 2); 17155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid internal_warningf(const char *, ...) 171603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 1, 2); 17175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid error_prefix(bool); 17185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid shellf(const char *, ...) 171903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 1, 2); 17205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid shprintf(const char *, ...) 172103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 1, 2); 17225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint can_seek(int); 17235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid initio(void); 17245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint ksh_dup2(int, int, bool); 17255155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querushort savefd(int); 17265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid restfd(int, int); 17275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid openpipe(int *); 17285155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid closepipe(int *); 17295155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint check_fd(const char *, int, const char **); 17305155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid coproc_init(void); 17315155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid coproc_read_close(int); 17325155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid coproc_readw_close(int); 17335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid coproc_write_close(int); 17345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint coproc_getfd(int, const char **); 17355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid coproc_cleanup(int); 17365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct temp *maketemp(Area *, Temp_type, struct temp **); 173703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid ktinit(Area *, struct table *, uint8_t); 173803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrastruct tbl *ktscan(struct table *, const char *, uint32_t, struct tbl ***); 173903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra/* table, name (key) to search for, hash(n) */ 174003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define ktsearch(tp, s, h) ktscan((tp), (s), (h), NULL) 17415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tbl *ktenter(struct table *, const char *, uint32_t); 17425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define ktdelete(p) do { p->flag = 0; } while (/* CONSTCOND */ 0) 17435155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid ktwalk(struct tstate *, struct table *); 17445155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tbl *ktnext(struct tstate *); 17455155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tbl **ktsort(struct table *); 17465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* misc.c */ 17475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid setctypes(const char *, int); 17485155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid initctypes(void); 17495155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querusize_t option(const char *); 17505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *getoptions(void); 17515155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid change_flag(enum sh_flag, int, unsigned int); 17525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint parse_args(const char **, int, bool *); 17535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint getn(const char *, int *); 17545155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint bi_getn(const char *, int *); 17555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint gmatchx(const char *, const char *, bool); 17565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint has_globbing(const char *, const char *); 17575155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint xstrcmp(const void *, const void *); 17585155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid ksh_getopt_reset(Getopt *, int); 17595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint ksh_getopt(const char **, Getopt *, const char *); 17605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid print_value_quoted(const char *); 176103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrachar *quote_value(const char *); 17625155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid print_columns(struct shf *, int, 176303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra char *(*)(char *, size_t, int, const void *), 176403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra const void *, size_t, size_t, bool); 17655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid strip_nuls(char *, int); 176603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrassize_t blocking_read(int, char *, size_t) 176703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_BOUNDED(__buffer__, 2, 3); 17685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint reset_nonblock(int); 176903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrachar *ksh_get_wd(void); 177003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrachar *do_realpath(const char *); 17715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid simplify_path(char *); 177203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid set_current_wd(const char *); 177303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraint c_cd(const char **); 17745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef MKSH_SMALL 17755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *strdup_(const char *, Area *); 17765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *strndup_(const char *, size_t, Area *); 17775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 17785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint unbksl(bool, int (*)(void), void (*)(int)); 17795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* shf.c */ 17805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct shf *shf_open(const char *, int, int, int); 17815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct shf *shf_fdopen(int, int, struct shf *); 17825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct shf *shf_reopen(int, int, struct shf *); 178303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrastruct shf *shf_sopen(char *, ssize_t, int, struct shf *); 17845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint shf_close(struct shf *); 17855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint shf_fdclose(struct shf *); 17865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *shf_sclose(struct shf *); 17875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint shf_flush(struct shf *); 178803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrassize_t shf_read(char *, ssize_t, struct shf *); 178903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrachar *shf_getse(char *, ssize_t, struct shf *); 17905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint shf_getchar(struct shf *s); 17915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint shf_ungetc(int, struct shf *); 179203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#ifdef MKSH_SMALL 179303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraint shf_getc(struct shf *); 179403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraint shf_putc(int, struct shf *); 179503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#else 179603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define shf_getc shf_getc_ 179703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define shf_putc shf_putc_ 179803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#endif 17995155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint shf_putchar(int, struct shf *); 180003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrassize_t shf_puts(const char *, struct shf *); 180103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrassize_t shf_write(const char *, ssize_t, struct shf *); 180203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrassize_t shf_fprintf(struct shf *, const char *, ...) 180303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 2, 3); 180403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrassize_t shf_snprintf(char *, ssize_t, const char *, ...) 180503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 3, 4) 180603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_BOUNDED(__string__, 1, 2); 18075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *shf_smprintf(const char *, ...) 180803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 1, 2); 180903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrassize_t shf_vfprintf(struct shf *, const char *, va_list) 181003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_FORMAT(__printf__, 2, 0); 18115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* syn.c */ 18125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid initkeywords(void); 181303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrastruct op *compile(Source *, bool); 181403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrabool parse_usec(const char *, struct timeval *); 181503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrachar *yyrecursive(void); 18165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* tree.c */ 181703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid fptreef(struct shf *, int, const char *, ...); 181803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrachar *snptreef(char *, ssize_t, const char *, ...); 18195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct op *tcopy(struct op *, Area *); 18205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *wdcopy(const char *, Area *); 18215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruconst char *wdscan(const char *, int); 182203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define WDS_TPUTS BIT(0) /* tputS (dumpwdvar) mode */ 182303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define WDS_KEEPQ BIT(1) /* keep quote characters */ 182403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#define WDS_MAGIC BIT(2) /* make MAGIC */ 182503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrachar *wdstrip(const char *, int); 18265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid tfree(struct op *, Area *); 182703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid dumpchar(struct shf *, int); 182803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid dumptree(struct shf *, struct op *); 182903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid dumpwdvar(struct shf *, const char *); 183003ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid vistree(char *, size_t, struct op *) 183103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_BOUNDED(__string__, 1, 2); 183203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid fpFUNCTf(struct shf *, int, bool, const char *, struct op *); 18335155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* var.c */ 18345155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid newblock(void); 18355155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid popblock(void); 18365155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid initvar(void); 18375155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tbl *global(const char *); 18385155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tbl *local(const char *, bool); 18395155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *str_val(struct tbl *); 18405155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint setstr(struct tbl *, const char *, int); 18415155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querustruct tbl *setint_v(struct tbl *, struct tbl *, bool); 18425155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid setint(struct tbl *, mksh_ari_t); 184303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid setint_n(struct tbl *, mksh_ari_t); 184403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrastruct tbl *typeset(const char *, uint32_t, uint32_t, int, int) 184503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra MKSH_A_NONNULL((__nonnull__ (1))); 18465155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid unset(struct tbl *, int); 18475155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruconst char *skip_varname(const char *, int); 184803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraconst char *skip_wdvarname(const char *, bool); 184903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condraint is_wdvarname(const char *, bool); 18505155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint is_wdvarassign(const char *); 185103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrastruct tbl *arraysearch(struct tbl *, uint32_t); 18525155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar **makenv(void); 18535155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruvoid change_winsz(void); 185403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrasize_t array_ref_len(const char *); 18555155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruchar *arrayname(const char *); 18565155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querumksh_uari_t set_array(const char *, bool, const char **); 185703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condrauint32_t hash(const void *); 185803ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condravoid rndset(long); 18595155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 18605155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruenum Test_op { 186103ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra /* non-operator */ 186203ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra TO_NONOP = 0, 18635155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* unary operators */ 18645155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_STNZE, TO_STZER, TO_OPTION, 18655155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_FILAXST, 18665155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_FILEXST, 18675155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_FILREG, TO_FILBDEV, TO_FILCDEV, TO_FILSYM, TO_FILFIFO, TO_FILSOCK, 18685155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_FILCDF, TO_FILID, TO_FILGID, TO_FILSETG, TO_FILSTCK, TO_FILUID, 18695155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_FILRD, TO_FILGZ, TO_FILTT, TO_FILSETU, TO_FILWR, TO_FILEX, 18705155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* binary operators */ 18715155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_STEQL, TO_STNEQ, TO_STLT, TO_STGT, TO_INTEQ, TO_INTNE, TO_INTGT, 18725155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_INTGE, TO_INTLT, TO_INTLE, TO_FILEQ, TO_FILNT, TO_FILOT, 18735155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru /* not an operator */ 18745155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TO_NONNULL /* !TO_NONOP */ 18755155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 18765155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef enum Test_op Test_op; 18775155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 18785155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* Used by Test_env.isa() (order important - used to index *_tokens[] arrays) */ 18795155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruenum Test_meta { 18805155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TM_OR, /* -o or || */ 18815155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TM_AND, /* -a or && */ 18825155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TM_NOT, /* ! */ 18835155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TM_OPAREN, /* ( */ 18845155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TM_CPAREN, /* ) */ 18855155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TM_UNOP, /* unary operator */ 18865155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TM_BINOP, /* binary operator */ 18875155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru TM_END /* end of input */ 18885155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru}; 18895155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef enum Test_meta Test_meta; 18905155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 18915155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TEF_ERROR BIT(0) /* set if we've hit an error */ 18925155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#define TEF_DBRACKET BIT(1) /* set if [[ .. ]] test */ 18935155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 18945155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Querutypedef struct test_env { 18955155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru union { 189603ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra const char **wp; /* used by ptest_* */ 189703ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra XPtrV *av; /* used by dbtestp_* */ 18985155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru } pos; 189903ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra const char **wp_end; /* used by ptest_* */ 19005155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru Test_op (*isa)(struct test_env *, Test_meta); 19015155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru const char *(*getopnd) (struct test_env *, Test_op, bool); 19025155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru int (*eval)(struct test_env *, Test_op, const char *, const char *, bool); 19035155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru void (*error)(struct test_env *, int, const char *); 190403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra int flags; /* TEF_* */ 19055155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru} Test_env; 19065155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 19075155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern const char *const dbtest_tokens[]; 19085155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 19095155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruTest_op test_isop(Test_meta, const char *); 19105155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint test_eval(Test_env *, Test_op, const char *, const char *, bool); 19115155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruint test_parse(Test_env *); 19125155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 191303ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN int tty_fd E_INIT(-1); /* dup'd tty file descriptor */ 191403ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy CondraEXTERN bool tty_devtty; /* true if tty_fd is from /dev/tty */ 19155155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste QueruEXTERN struct termios tty_state; /* saved tty state */ 19165155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 19175155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern void tty_init(bool, bool); 19185155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queruextern void tty_close(void); 19195155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 19205155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru/* be sure not to interfere with anyone else's idea about EXTERN */ 19215155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#ifdef EXTERN_DEFINED 19225155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru# undef EXTERN_DEFINED 19235155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru# undef EXTERN 19245155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif 192503ebf06f4e1112a0e9533b93062d169232c4cbfeGeremy Condra#undef E_INIT 19265155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru 19275155f1c7438ef540d7b25eb70aa1639579795b07Jean-Baptiste Queru#endif /* !MKSH_INCLUDES_ONLY */ 1928