13e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* $NetBSD: util.c,v 1.16 2012/05/06 22:32:05 joerg Exp $ */ 23e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* $FreeBSD: head/usr.bin/grep/util.c 211496 2010-08-19 09:28:59Z des $ */ 33e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* $OpenBSD: util.c,v 1.39 2010/07/02 22:18:03 tedu Exp $ */ 43e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 53e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/*- 63e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav 73e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Copyright (C) 2008-2010 Gabor Kovesdan <gabor@FreeBSD.org> 83e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * All rights reserved. 93e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * 103e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Redistribution and use in source and binary forms, with or without 113e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * modification, are permitted provided that the following conditions 123e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * are met: 133e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * 1. Redistributions of source code must retain the above copyright 143e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * notice, this list of conditions and the following disclaimer. 153e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * 2. Redistributions in binary form must reproduce the above copyright 163e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * notice, this list of conditions and the following disclaimer in the 173e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * documentation and/or other materials provided with the distribution. 183e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * 193e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 203e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 213e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 223e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 233e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 243e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 253e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 263e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 273e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 283e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 293e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * SUCH DAMAGE. 303e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 313e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 323e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#if HAVE_NBTOOL_CONFIG_H 333e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include "nbtool_config.h" 343e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#endif 353e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 363e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <sys/cdefs.h> 373e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey__RCSID("$NetBSD: util.c,v 1.16 2012/05/06 22:32:05 joerg Exp $"); 383e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 393e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <sys/stat.h> 403e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <sys/types.h> 413e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 423e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <ctype.h> 433e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <err.h> 443e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <errno.h> 453e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <fnmatch.h> 463e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <fts.h> 473e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <libgen.h> 483e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <stdbool.h> 493e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <stdio.h> 503e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <stdlib.h> 513e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <string.h> 523e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <unistd.h> 533e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <wchar.h> 543e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include <wctype.h> 553e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 563e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#include "grep.h" 573e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 583e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeystatic bool first, first_global = true; 593e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeystatic unsigned long long since_printed; 603e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 613e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeystatic int procline(struct str *l, int); 623e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 633e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeybool 643e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyfile_matching(const char *fname) 653e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 663e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey char *fname_base, *fname_copy; 673e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey unsigned int i; 683e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey bool ret; 693e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 703e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ret = finclude ? false : true; 713e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fname_copy = grep_strdup(fname); 723e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fname_base = basename(fname_copy); 733e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 743e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey for (i = 0; i < fpatterns; ++i) { 753e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (fnmatch(fpattern[i].pat, fname, 0) == 0 || 763e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fnmatch(fpattern[i].pat, fname_base, 0) == 0) { 773e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (fpattern[i].mode == EXCL_PAT) 783e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (false); 793e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey else 803e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ret = true; 813e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 823e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 833e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey free(fname_copy); 843e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (ret); 853e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 863e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 873e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeystatic inline bool 883e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeydir_matching(const char *dname) 893e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 903e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey unsigned int i; 913e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey bool ret; 923e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 933e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ret = dinclude ? false : true; 943e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 953e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey for (i = 0; i < dpatterns; ++i) { 963e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (dname != NULL && 973e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fnmatch(dname, dpattern[i].pat, 0) == 0) { 983e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (dpattern[i].mode == EXCL_PAT) 993e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (false); 1003e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey else 1013e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ret = true; 1023e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 1033e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 1043e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (ret); 1053e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 1063e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1073e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 1083e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Processes a directory when a recursive search is performed with 1093e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * the -R option. Each appropriate file is passed to procfile(). 1103e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 1113e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyint 1123e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeygrep_tree(char **argv) 1133e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 1143e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey FTS *fts; 1153e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey FTSENT *p; 1163e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey char *d, *dir = NULL; 1173e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey int c, fts_flags; 1183e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey bool ok; 1193e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1203e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey c = fts_flags = 0; 1213e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1223e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey switch(linkbehave) { 1233e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey case LINK_EXPLICIT: 1243e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fts_flags = FTS_COMFOLLOW; 1253e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 1263e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey case LINK_SKIP: 1273e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fts_flags = FTS_PHYSICAL; 1283e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 1293e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey default: 1303e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fts_flags = FTS_LOGICAL; 1313e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1323e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 1333e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1343e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fts_flags |= FTS_NOSTAT | FTS_NOCHDIR; 1353e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1363e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (!(fts = fts_open(argv, fts_flags, NULL))) 1373e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey err(2, "fts_open"); 1383e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey while ((p = fts_read(fts)) != NULL) { 1393e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey switch (p->fts_info) { 1403e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey case FTS_DNR: 1413e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* FALLTHROUGH */ 1423e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey case FTS_ERR: 1433e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey errx(2, "%s: %s", p->fts_path, strerror(p->fts_errno)); 1443e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 1453e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey case FTS_D: 1463e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* FALLTHROUGH */ 1473e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey case FTS_DP: 1483e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 1493e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey case FTS_DC: 1503e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Print a warning for recursive directory loop */ 1513e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey warnx("warning: %s: recursive directory loop", 1523e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey p->fts_path); 1533e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 1543e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey default: 1553e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Check for file exclusion/inclusion */ 1563e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ok = true; 1573e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (dexclude || dinclude) { 1583e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((d = strrchr(p->fts_path, '/')) != NULL) { 1593e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey dir = grep_malloc(sizeof(char) * 1603e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey (d - p->fts_path + 1)); 1613e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey memcpy(dir, p->fts_path, 1623e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey d - p->fts_path); 1633e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey dir[d - p->fts_path] = '\0'; 1643e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 1653e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ok = dir_matching(dir); 1663e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey free(dir); 1673e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey dir = NULL; 1683e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 1693e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (fexclude || finclude) 1703e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ok &= file_matching(p->fts_path); 1713e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1723e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (ok) 1733e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey c += procfile(p->fts_path); 1743e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 1753e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 1763e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 1773e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1783e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fts_close(fts); 1793e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (c); 1803e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 1813e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1823e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 1833e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Opens a file and processes it. Each file is processed line-by-line 1843e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * passing the lines to procline(). 1853e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 1863e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyint 1873e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyprocfile(const char *fn) 1883e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 1893e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey struct file *f; 1903e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey struct stat sb; 1913e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey struct str ln; 1923e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey mode_t s; 1933e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey int c, t; 1943e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1953e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (mflag && (mcount <= 0)) 1963e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (0); 1973e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 1983e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (strcmp(fn, "-") == 0) { 1993e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fn = label != NULL ? label : getstr(1); 2003e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey f = grep_open(NULL); 2013e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } else { 2023e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (!stat(fn, &sb)) { 2033e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Check if we need to process the file */ 2043e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey s = sb.st_mode & S_IFMT; 2053e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (s == S_IFDIR && dirbehave == DIR_SKIP) 2063e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (0); 2073e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((s == S_IFIFO || s == S_IFCHR || s == S_IFBLK 2083e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey || s == S_IFSOCK) && devbehave == DEV_SKIP) 2093e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (0); 2103e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 2113e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey f = grep_open(fn); 2123e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 2133e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (f == NULL) { 2143e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (!sflag) 2153e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey warn("%s", fn); 2163e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (errno == ENOENT) 2173e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey notfound = true; 2183e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (0); 2193e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 2203e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2213e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ln.file = grep_malloc(strlen(fn) + 1); 2223e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey strcpy(ln.file, fn); 2233e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ln.line_no = 0; 2243e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ln.len = 0; 2253e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey tail = 0; 2263e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ln.off = -1; 2273e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2283e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey for (first = true, c = 0; c == 0 || !(lflag || qflag); ) { 2293e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ln.off += ln.len + 1; 2303e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((ln.dat = grep_fgetln(f, &ln.len)) == NULL || ln.len == 0) 2313e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 2323e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (ln.len > 0 && ln.dat[ln.len - 1] == line_sep) 2333e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey --ln.len; 2343e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ln.line_no++; 2353e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2363e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Return if we need to skip a binary file */ 2373e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (f->binary && binbehave == BINFILE_SKIP) { 2383e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey grep_close(f); 2393e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey free(ln.file); 2403e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey free(f); 2413e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (0); 2423e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 2433e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Process the file line-by-line */ 2443e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey t = procline(&ln, f->binary); 2453e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey c += t; 2463e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2473e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Count the matches if we have a match limit */ 2483e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (mflag) { 2493e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey mcount -= t; 2503e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (mcount <= 0) 2513e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 2523e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 2533e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 2543e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (Bflag > 0) 2553e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey clearqueue(); 2563e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey grep_close(f); 2573e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2583e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (cflag) { 2593e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (!hflag) 2603e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf("%s:", ln.file); 2613e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf("%u%c", c, line_sep); 2623e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 2633e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (lflag && !qflag && c != 0) 2643e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf("%s%c", fn, line_sep); 2653e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (Lflag && !qflag && c == 0) 2663e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf("%s%c", fn, line_sep); 2673e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (c && !cflag && !lflag && !Lflag && 2683e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey binbehave == BINFILE_BIN && f->binary && !qflag) 2693e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf(getstr(8), fn); 2703e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2713e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey free(ln.file); 2723e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey free(f); 2733e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (c); 2743e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 2753e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2763e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey#define iswword(x) (iswalnum((x)) || (x) == L'_') 2773e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2783e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 2793e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Processes a line comparing it with the specified patterns. Each pattern 2803e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * is looped to be compared along with the full string, saving each and every 2813e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * match, which is necessary to colorize the output and to count the 2823e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * matches. The matching lines are passed to printline() to display the 2833e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * appropriate output. 2843e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 2853e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeystatic int 2863e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyprocline(struct str *l, int nottext) 2873e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 2883e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey regmatch_t matches[MAX_LINE_MATCHES]; 2893e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey regmatch_t pmatch; 2903e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey size_t st = 0; 2913e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey unsigned int i; 2923e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey int c = 0, m = 0, r = 0; 2933e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2943e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Loop to process the whole line */ 2953e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey while (st <= l->len) { 2963e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey pmatch.rm_so = st; 2973e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey pmatch.rm_eo = l->len; 2983e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 2993e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Loop to compare with all the patterns */ 3003e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey for (i = 0; i < patterns; i++) { 3013e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 3023e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * XXX: grep_search() is a workaround for speed up and should be 3033e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * removed in the future. See fastgrep.c. 3043e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 3053e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (fg_pattern[i].pattern) { 3063e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey r = grep_search(&fg_pattern[i], 3073e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey (unsigned char *)l->dat, 3083e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey l->len, &pmatch); 3093e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey r = (r == 0) ? 0 : REG_NOMATCH; 3103e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey st = pmatch.rm_eo; 3113e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } else { 3123e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey r = regexec(&r_pattern[i], l->dat, 1, 3133e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey &pmatch, eflags); 3143e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey r = (r == 0) ? 0 : REG_NOMATCH; 3153e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey st = pmatch.rm_eo; 3163e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 3173e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (r == REG_NOMATCH) 3183e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey continue; 3193e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Check for full match */ 3203e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (xflag && 3213e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey (pmatch.rm_so != 0 || 3223e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey (size_t)pmatch.rm_eo != l->len)) 3233e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey continue; 3243e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Check for whole word match */ 3253e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (fg_pattern[i].word && pmatch.rm_so != 0) { 3263e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey wint_t wbegin, wend; 3273e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 3283e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey wbegin = wend = L' '; 3293e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (pmatch.rm_so != 0 && 3303e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey sscanf(&l->dat[pmatch.rm_so - 1], 3313e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey "%lc", &wbegin) != 1) 3323e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey continue; 3333e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((size_t)pmatch.rm_eo != l->len && 3343e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey sscanf(&l->dat[pmatch.rm_eo], 3353e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey "%lc", &wend) != 1) 3363e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey continue; 3373e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (iswword(wbegin) || iswword(wend)) 3383e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey continue; 3393e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 3403e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey c = 1; 3413e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (m < MAX_LINE_MATCHES) 3423e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey matches[m++] = pmatch; 3433e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* matches - skip further patterns */ 3443e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((color != NULL && !oflag) || qflag || lflag) 3453e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 3463e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 3473e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 3483e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (vflag) { 3493e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey c = !c; 3503e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 3513e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 3523e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* One pass if we are not recording matches */ 3533e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((color != NULL && !oflag) || qflag || lflag) 3543e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; 3553e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 3563e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (st == (size_t)pmatch.rm_so) 3573e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey break; /* No matches */ 3583e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 3593e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 3603e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (c && binbehave == BINFILE_BIN && nottext) 3613e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (c); /* Binary file */ 3623e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 3633e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* Dealing with the context */ 3643e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((tail || c) && !cflag && !qflag && !lflag && !Lflag) { 3653e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (c) { 3663e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((Aflag || Bflag) && !first_global && 3673e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey (first || since_printed > Bflag)) 3683e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf("--\n"); 3693e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey tail = Aflag; 3703e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (Bflag > 0) 3713e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printqueue(); 3723e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printline(l, ':', matches, m); 3733e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } else { 3743e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printline(l, '-', matches, m); 3753e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey tail--; 3763e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 3773e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey first = false; 3783e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey first_global = false; 3793e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey since_printed = 0; 3803e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } else { 3813e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (Bflag) 3823e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey enqueue(l); 3833e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey since_printed++; 3843e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 3853e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (c); 3863e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 3873e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 3883e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 3893e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Safe malloc() for internal use. 3903e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 3913e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyvoid * 3923e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeygrep_malloc(size_t size) 3933e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 3943e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey void *ptr; 3953e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 3963e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((ptr = malloc(size)) == NULL) 3973e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey err(2, "malloc"); 3983e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (ptr); 3993e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 4003e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4013e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 4023e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Safe calloc() for internal use. 4033e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 4043e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyvoid * 4053e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeygrep_calloc(size_t nmemb, size_t size) 4063e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 4073e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey void *ptr; 4083e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4093e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((ptr = calloc(nmemb, size)) == NULL) 4103e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey err(2, "calloc"); 4113e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (ptr); 4123e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 4133e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4143e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 4153e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Safe realloc() for internal use. 4163e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 4173e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyvoid * 4183e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeygrep_realloc(void *ptr, size_t size) 4193e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 4203e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4213e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((ptr = realloc(ptr, size)) == NULL) 4223e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey err(2, "realloc"); 4233e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (ptr); 4243e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 4253e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4263e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 4273e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Safe strdup() for internal use. 4283e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 4293e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeychar * 4303e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeygrep_strdup(const char *str) 4313e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 4323e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey char *ret; 4333e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4343e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((ret = strdup(str)) == NULL) 4353e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey err(2, "strdup"); 4363e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey return (ret); 4373e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 4383e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4393e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey/* 4403e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey * Prints a matching line according to the command line options. 4413e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey */ 4423e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyvoid 4433e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkeyprintline(struct str *line, int sep, regmatch_t *matches, int m) 4443e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey{ 4453e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey size_t a = 0; 4463e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey int i, n = 0; 4473e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4483e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (!hflag) { 4493e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (nullflag == 0) 4503e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fputs(line->file, stdout); 4513e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey else { 4523e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf("%s", line->file); 4533e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey putchar(0); 4543e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 4553e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ++n; 4563e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 4573e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (nflag) { 4583e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (n > 0) 4593e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey putchar(sep); 4603e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf("%d", line->line_no); 4613e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ++n; 4623e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 4633e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (bflag) { 4643e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (n > 0) 4653e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey putchar(sep); 4663e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey printf("%lld", (long long)line->off); 4673e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey ++n; 4683e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 4693e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (n) 4703e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey putchar(sep); 4713e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey /* --color and -o */ 4723e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if ((oflag || color) && m > 0) { 4733e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey for (i = 0; i < m; i++) { 4743e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (!oflag) 4753e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fwrite(line->dat + a, matches[i].rm_so - a, 1, 4763e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey stdout); 4773e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (color) 4783e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fprintf(stdout, "\33[%sm\33[K", color); 4793e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey 4803e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fwrite(line->dat + matches[i].rm_so, 4813e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey matches[i].rm_eo - matches[i].rm_so, 1, 4823e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey stdout); 4833e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (color) 4843e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fprintf(stdout, "\33[m\33[K"); 4853e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey a = matches[i].rm_eo; 4863e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (oflag) 4873e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey putchar('\n'); 4883e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 4893e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (!oflag) { 4903e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey if (line->len - a > 0) 4913e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fwrite(line->dat + a, line->len - a, 1, stdout); 4923e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey putchar(line_sep); 4933e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 4943e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } else { 4953e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey fwrite(line->dat, line->len, 1, stdout); 4963e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey putchar(line_sep); 4973e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey } 4983e8b1581ff0f2daa934eb9d6362dfe4e2b4fa8c9Jeff Sharkey} 499