105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ 205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Like <fcntl.h>, but with non-working flags defined to 0. 305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 405436638acc7c010349a69c3395f1a57c642dc62Ying Wang Copyright (C) 2006-2012 Free Software Foundation, Inc. 505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 605436638acc7c010349a69c3395f1a57c642dc62Ying Wang This program is free software: you can redistribute it and/or modify 705436638acc7c010349a69c3395f1a57c642dc62Ying Wang it under the terms of the GNU General Public License as published by 805436638acc7c010349a69c3395f1a57c642dc62Ying Wang the Free Software Foundation; either version 3 of the License, or 905436638acc7c010349a69c3395f1a57c642dc62Ying Wang (at your option) any later version. 1005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 1105436638acc7c010349a69c3395f1a57c642dc62Ying Wang This program is distributed in the hope that it will be useful, 1205436638acc7c010349a69c3395f1a57c642dc62Ying Wang but WITHOUT ANY WARRANTY; without even the implied warranty of 1305436638acc7c010349a69c3395f1a57c642dc62Ying Wang MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1405436638acc7c010349a69c3395f1a57c642dc62Ying Wang GNU General Public License for more details. 1505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 1605436638acc7c010349a69c3395f1a57c642dc62Ying Wang You should have received a copy of the GNU General Public License 1705436638acc7c010349a69c3395f1a57c642dc62Ying Wang along with this program. If not, see <http://www.gnu.org/licenses/>. */ 1805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 1905436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* written by Paul Eggert */ 2005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 2105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if __GNUC__ >= 3 2205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#pragma GCC system_header 2305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 2405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 2505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 2605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __need_system_fcntl_h 2705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Special invocation convention. */ 2805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 2905436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Needed before <sys/stat.h>. 3005436638acc7c010349a69c3395f1a57c642dc62Ying Wang May also define off_t to a 64-bit type on native Windows. */ 3105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#include <sys/types.h> 3205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* On some systems other than glibc, <sys/stat.h> is a prerequisite of 3305436638acc7c010349a69c3395f1a57c642dc62Ying Wang <fcntl.h>. On glibc systems, we would like to avoid namespace pollution. 3405436638acc7c010349a69c3395f1a57c642dc62Ying Wang But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an 3505436638acc7c010349a69c3395f1a57c642dc62Ying Wang extern "C" { ... } block, which leads to errors in C++ mode with the 3605436638acc7c010349a69c3395f1a57c642dc62Ying Wang overridden <sys/stat.h> from gnulib. These errors are known to be gone 3705436638acc7c010349a69c3395f1a57c642dc62Ying Wang with g++ version >= 4.3. */ 3805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) 3905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# include <sys/stat.h> 4005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 4105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#include_next <fcntl.h> 4205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 4305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 4405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Normal invocation convention. */ 4505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 4605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_FCNTL_H 4705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 4805436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Needed before <sys/stat.h>. 4905436638acc7c010349a69c3395f1a57c642dc62Ying Wang May also define off_t to a 64-bit type on native Windows. */ 5005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#include <sys/types.h> 5105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* On some systems other than glibc, <sys/stat.h> is a prerequisite of 5205436638acc7c010349a69c3395f1a57c642dc62Ying Wang <fcntl.h>. On glibc systems, we would like to avoid namespace pollution. 5305436638acc7c010349a69c3395f1a57c642dc62Ying Wang But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an 5405436638acc7c010349a69c3395f1a57c642dc62Ying Wang extern "C" { ... } block, which leads to errors in C++ mode with the 5505436638acc7c010349a69c3395f1a57c642dc62Ying Wang overridden <sys/stat.h> from gnulib. These errors are known to be gone 5605436638acc7c010349a69c3395f1a57c642dc62Ying Wang with g++ version >= 4.3. */ 5705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) 5805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# include <sys/stat.h> 5905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 6005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The include_next requires a split double-inclusion guard. */ 6105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#include_next <fcntl.h> 6205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 6305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_FCNTL_H 6405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_FCNTL_H 6505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 6605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */ 6705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# include <unistd.h> 6805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 6905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Native Windows platforms declare open(), creat() in <io.h>. */ 7105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if (1 || defined GNULIB_POSIXCHECK) \ 7205436638acc7c010349a69c3395f1a57c642dc62Ying Wang && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) 7305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# include <io.h> 7405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 7505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ 7805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_CXXDEFS_H 7905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_CXXDEFS_H 8005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 8105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The three most frequent use cases of these macros are: 8205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 8305436638acc7c010349a69c3395f1a57c642dc62Ying Wang * For providing a substitute for a function that is missing on some 8405436638acc7c010349a69c3395f1a57c642dc62Ying Wang platforms, but is declared and works fine on the platforms on which 8505436638acc7c010349a69c3395f1a57c642dc62Ying Wang it exists: 8605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 8705436638acc7c010349a69c3395f1a57c642dc62Ying Wang #if @GNULIB_FOO@ 8805436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if !@HAVE_FOO@ 8905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_SYS (foo, ...); 9005436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 9105436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_SYS (foo, ...); 9205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN (foo); 9305436638acc7c010349a69c3395f1a57c642dc62Ying Wang #elif defined GNULIB_POSIXCHECK 9405436638acc7c010349a69c3395f1a57c642dc62Ying Wang ... 9505436638acc7c010349a69c3395f1a57c642dc62Ying Wang #endif 9605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 9705436638acc7c010349a69c3395f1a57c642dc62Ying Wang * For providing a replacement for a function that exists on all platforms, 9805436638acc7c010349a69c3395f1a57c642dc62Ying Wang but is broken/insufficient and needs to be replaced on some platforms: 9905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 10005436638acc7c010349a69c3395f1a57c642dc62Ying Wang #if @GNULIB_FOO@ 10105436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if @REPLACE_FOO@ 10205436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 10305436638acc7c010349a69c3395f1a57c642dc62Ying Wang # undef foo 10405436638acc7c010349a69c3395f1a57c642dc62Ying Wang # define foo rpl_foo 10505436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 10605436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_RPL (foo, ...); 10705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_RPL (foo, ...); 10805436638acc7c010349a69c3395f1a57c642dc62Ying Wang # else 10905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_SYS (foo, ...); 11005436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 11105436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN (foo); 11205436638acc7c010349a69c3395f1a57c642dc62Ying Wang #elif defined GNULIB_POSIXCHECK 11305436638acc7c010349a69c3395f1a57c642dc62Ying Wang ... 11405436638acc7c010349a69c3395f1a57c642dc62Ying Wang #endif 11505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 11605436638acc7c010349a69c3395f1a57c642dc62Ying Wang * For providing a replacement for a function that exists on some platforms 11705436638acc7c010349a69c3395f1a57c642dc62Ying Wang but is broken/insufficient and needs to be replaced on some of them and 11805436638acc7c010349a69c3395f1a57c642dc62Ying Wang is additionally either missing or undeclared on some other platforms: 11905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 12005436638acc7c010349a69c3395f1a57c642dc62Ying Wang #if @GNULIB_FOO@ 12105436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if @REPLACE_FOO@ 12205436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 12305436638acc7c010349a69c3395f1a57c642dc62Ying Wang # undef foo 12405436638acc7c010349a69c3395f1a57c642dc62Ying Wang # define foo rpl_foo 12505436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 12605436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_RPL (foo, ...); 12705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_RPL (foo, ...); 12805436638acc7c010349a69c3395f1a57c642dc62Ying Wang # else 12905436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if !@HAVE_FOO@ or if !@HAVE_DECL_FOO@ 13005436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_SYS (foo, ...); 13105436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 13205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_SYS (foo, ...); 13305436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 13405436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN (foo); 13505436638acc7c010349a69c3395f1a57c642dc62Ying Wang #elif defined GNULIB_POSIXCHECK 13605436638acc7c010349a69c3395f1a57c642dc62Ying Wang ... 13705436638acc7c010349a69c3395f1a57c642dc62Ying Wang #endif 13805436638acc7c010349a69c3395f1a57c642dc62Ying Wang*/ 13905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 14005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_EXTERN_C declaration; 14105436638acc7c010349a69c3395f1a57c642dc62Ying Wang performs the declaration with C linkage. */ 14205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus 14305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_EXTERN_C extern "C" 14405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 14505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_EXTERN_C extern 14605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 14705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 14805436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes); 14905436638acc7c010349a69c3395f1a57c642dc62Ying Wang declares a replacement function, named rpl_func, with the given prototype, 15005436638acc7c010349a69c3395f1a57c642dc62Ying Wang consisting of return type, parameters, and attributes. 15105436638acc7c010349a69c3395f1a57c642dc62Ying Wang Example: 15205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) 15305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((1))); 15405436638acc7c010349a69c3395f1a57c642dc62Ying Wang */ 15505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \ 15605436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes) 15705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \ 15805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C rettype rpl_func parameters_and_attributes 15905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 16005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes); 16105436638acc7c010349a69c3395f1a57c642dc62Ying Wang declares the system function, named func, with the given prototype, 16205436638acc7c010349a69c3395f1a57c642dc62Ying Wang consisting of return type, parameters, and attributes. 16305436638acc7c010349a69c3395f1a57c642dc62Ying Wang Example: 16405436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...) 16505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((1))); 16605436638acc7c010349a69c3395f1a57c642dc62Ying Wang */ 16705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \ 16805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C rettype func parameters_and_attributes 16905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 17005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_RPL (func, rettype, parameters); 17105436638acc7c010349a69c3395f1a57c642dc62Ying Wang declares a C++ alias called GNULIB_NAMESPACE::func 17205436638acc7c010349a69c3395f1a57c642dc62Ying Wang that redirects to rpl_func, if GNULIB_NAMESPACE is defined. 17305436638acc7c010349a69c3395f1a57c642dc62Ying Wang Example: 17405436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); 17505436638acc7c010349a69c3395f1a57c642dc62Ying Wang */ 17605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_CXXALIAS_RPL(func,rettype,parameters) \ 17705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters) 17805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 17905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ 18005436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 18105436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 18205436638acc7c010349a69c3395f1a57c642dc62Ying Wang rettype (*const func) parameters = ::rpl_func; \ 18305436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 18405436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 18505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 18605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ 18705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 18805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 18905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 19005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters); 19105436638acc7c010349a69c3395f1a57c642dc62Ying Wang is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters); 19205436638acc7c010349a69c3395f1a57c642dc62Ying Wang except that the C function rpl_func may have a slightly different 19305436638acc7c010349a69c3395f1a57c642dc62Ying Wang declaration. A cast is used to silence the "invalid conversion" error 19405436638acc7c010349a69c3395f1a57c642dc62Ying Wang that would otherwise occur. */ 19505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 19605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ 19705436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 19805436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 19905436638acc7c010349a69c3395f1a57c642dc62Ying Wang rettype (*const func) parameters = \ 20005436638acc7c010349a69c3395f1a57c642dc62Ying Wang reinterpret_cast<rettype(*)parameters>(::rpl_func); \ 20105436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 20205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 20305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 20405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ 20505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 20605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 20705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 20805436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_SYS (func, rettype, parameters); 20905436638acc7c010349a69c3395f1a57c642dc62Ying Wang declares a C++ alias called GNULIB_NAMESPACE::func 21005436638acc7c010349a69c3395f1a57c642dc62Ying Wang that redirects to the system provided function func, if GNULIB_NAMESPACE 21105436638acc7c010349a69c3395f1a57c642dc62Ying Wang is defined. 21205436638acc7c010349a69c3395f1a57c642dc62Ying Wang Example: 21305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); 21405436638acc7c010349a69c3395f1a57c642dc62Ying Wang */ 21505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 21605436638acc7c010349a69c3395f1a57c642dc62Ying Wang /* If we were to write 21705436638acc7c010349a69c3395f1a57c642dc62Ying Wang rettype (*const func) parameters = ::func; 21805436638acc7c010349a69c3395f1a57c642dc62Ying Wang like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls 21905436638acc7c010349a69c3395f1a57c642dc62Ying Wang better (remove an indirection through a 'static' pointer variable), 22005436638acc7c010349a69c3395f1a57c642dc62Ying Wang but then the _GL_CXXALIASWARN macro below would cause a warning not only 22105436638acc7c010349a69c3395f1a57c642dc62Ying Wang for uses of ::func but also for uses of GNULIB_NAMESPACE::func. */ 22205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS(func,rettype,parameters) \ 22305436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 22405436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 22505436638acc7c010349a69c3395f1a57c642dc62Ying Wang static rettype (*func) parameters = ::func; \ 22605436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 22705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 22805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 22905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS(func,rettype,parameters) \ 23005436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 23105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 23205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 23305436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters); 23405436638acc7c010349a69c3395f1a57c642dc62Ying Wang is like _GL_CXXALIAS_SYS (func, rettype, parameters); 23505436638acc7c010349a69c3395f1a57c642dc62Ying Wang except that the C function func may have a slightly different declaration. 23605436638acc7c010349a69c3395f1a57c642dc62Ying Wang A cast is used to silence the "invalid conversion" error that would 23705436638acc7c010349a69c3395f1a57c642dc62Ying Wang otherwise occur. */ 23805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 23905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ 24005436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 24105436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 24205436638acc7c010349a69c3395f1a57c642dc62Ying Wang static rettype (*func) parameters = \ 24305436638acc7c010349a69c3395f1a57c642dc62Ying Wang reinterpret_cast<rettype(*)parameters>(::func); \ 24405436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 24505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 24605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 24705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ 24805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 24905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 25005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 25105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2); 25205436638acc7c010349a69c3395f1a57c642dc62Ying Wang is like _GL_CXXALIAS_SYS (func, rettype, parameters); 25305436638acc7c010349a69c3395f1a57c642dc62Ying Wang except that the C function is picked among a set of overloaded functions, 25405436638acc7c010349a69c3395f1a57c642dc62Ying Wang namely the one with rettype2 and parameters2. Two consecutive casts 25505436638acc7c010349a69c3395f1a57c642dc62Ying Wang are used to silence the "cannot find a match" and "invalid conversion" 25605436638acc7c010349a69c3395f1a57c642dc62Ying Wang errors that would otherwise occur. */ 25705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 25805436638acc7c010349a69c3395f1a57c642dc62Ying Wang /* The outer cast must be a reinterpret_cast. 25905436638acc7c010349a69c3395f1a57c642dc62Ying Wang The inner cast: When the function is defined as a set of overloaded 26005436638acc7c010349a69c3395f1a57c642dc62Ying Wang functions, it works as a static_cast<>, choosing the designated variant. 26105436638acc7c010349a69c3395f1a57c642dc62Ying Wang When the function is defined as a single variant, it works as a 26205436638acc7c010349a69c3395f1a57c642dc62Ying Wang reinterpret_cast<>. The parenthesized cast syntax works both ways. */ 26305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ 26405436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 26505436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 26605436638acc7c010349a69c3395f1a57c642dc62Ying Wang static rettype (*func) parameters = \ 26705436638acc7c010349a69c3395f1a57c642dc62Ying Wang reinterpret_cast<rettype(*)parameters>( \ 26805436638acc7c010349a69c3395f1a57c642dc62Ying Wang (rettype2(*)parameters2)(::func)); \ 26905436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 27005436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 27105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 27205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ 27305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 27405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 27505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 27605436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIASWARN (func); 27705436638acc7c010349a69c3395f1a57c642dc62Ying Wang causes a warning to be emitted when ::func is used but not when 27805436638acc7c010349a69c3395f1a57c642dc62Ying Wang GNULIB_NAMESPACE::func is used. func must be defined without overloaded 27905436638acc7c010349a69c3395f1a57c642dc62Ying Wang variants. */ 28005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 28105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN(func) \ 28205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE) 28305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN_1(func,namespace) \ 28405436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN_2 (func, namespace) 28505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>, 28605436638acc7c010349a69c3395f1a57c642dc62Ying Wang we enable the warning only when not optimizing. */ 28705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !__OPTIMIZE__ 28805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN_2(func,namespace) \ 28905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_WARN_ON_USE (func, \ 29005436638acc7c010349a69c3395f1a57c642dc62Ying Wang "The symbol ::" #func " refers to the system function. " \ 29105436638acc7c010349a69c3395f1a57c642dc62Ying Wang "Use " #namespace "::" #func " instead.") 29205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 29305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN_2(func,namespace) \ 29405436638acc7c010349a69c3395f1a57c642dc62Ying Wang extern __typeof__ (func) func 29505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 29605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN_2(func,namespace) \ 29705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 29805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 29905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 30005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN(func) \ 30105436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 30205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 30305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 30405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes); 30505436638acc7c010349a69c3395f1a57c642dc62Ying Wang causes a warning to be emitted when the given overloaded variant of ::func 30605436638acc7c010349a69c3395f1a57c642dc62Ying Wang is used but not when GNULIB_NAMESPACE::func is used. */ 30705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 30805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ 30905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \ 31005436638acc7c010349a69c3395f1a57c642dc62Ying Wang GNULIB_NAMESPACE) 31105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \ 31205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace) 31305436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>, 31405436638acc7c010349a69c3395f1a57c642dc62Ying Wang we enable the warning only when not optimizing. */ 31505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !__OPTIMIZE__ 31605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 31705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \ 31805436638acc7c010349a69c3395f1a57c642dc62Ying Wang "The symbol ::" #func " refers to the system function. " \ 31905436638acc7c010349a69c3395f1a57c642dc62Ying Wang "Use " #namespace "::" #func " instead.") 32005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 32105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 32205436638acc7c010349a69c3395f1a57c642dc62Ying Wang extern __typeof__ (func) func 32305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 32405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 32505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 32605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 32705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 32805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ 32905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 33005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 33105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 33205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif /* _GL_CXXDEFS_H */ 33305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 33405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The definition of _GL_ARG_NONNULL is copied here. */ 33505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools 33605436638acc7c010349a69c3395f1a57c642dc62Ying Wang that the values passed as arguments n, ..., m must be non-NULL pointers. 33705436638acc7c010349a69c3395f1a57c642dc62Ying Wang n = 1 stands for the first argument, n = 2 for the second argument etc. */ 33805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_ARG_NONNULL 33905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3 34005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params)) 34105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 34205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_ARG_NONNULL(params) 34305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 34405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 34505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 34605436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The definition of _GL_WARN_ON_USE is copied here. */ 34705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_WARN_ON_USE 34805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 34905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) 35005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* A compiler attribute is available in gcc versions 4.3.0 and later. */ 35105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE(function, message) \ 35205436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern __typeof__ (function) function __attribute__ ((__warning__ (message))) 35305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 35405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Verify the existence of the function. */ 35505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE(function, message) \ 35605436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern __typeof__ (function) function 35705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else /* Unsupported. */ 35805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE(function, message) \ 35905436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_EXTERN_C int _gl_warn_on_use 36005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 36105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 36205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 36305436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string") 36405436638acc7c010349a69c3395f1a57c642dc62Ying Wang is like _GL_WARN_ON_USE (function, "string"), except that the function is 36505436638acc7c010349a69c3395f1a57c642dc62Ying Wang declared with the given prototype, consisting of return type, parameters, 36605436638acc7c010349a69c3395f1a57c642dc62Ying Wang and attributes. 36705436638acc7c010349a69c3395f1a57c642dc62Ying Wang This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does 36805436638acc7c010349a69c3395f1a57c642dc62Ying Wang not work in this case. */ 36905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_WARN_ON_USE_CXX 37005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) 37105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 37205436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern rettype function parameters_and_attributes \ 37305436638acc7c010349a69c3395f1a57c642dc62Ying Wang __attribute__ ((__warning__ (msg))) 37405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 37505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Verify the existence of the function. */ 37605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 37705436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern rettype function parameters_and_attributes 37805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else /* Unsupported. */ 37905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 38005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_EXTERN_C int _gl_warn_on_use 38105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 38205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 38305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 38405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_WARN_EXTERN_C declaration; 38505436638acc7c010349a69c3395f1a57c642dc62Ying Wang performs the declaration with C linkage. */ 38605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_WARN_EXTERN_C 38705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if defined __cplusplus 38805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_EXTERN_C extern "C" 38905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 39005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_EXTERN_C extern 39105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 39205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 39305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 39405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 39505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Declare overridden functions. */ 39605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 39705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 1 39805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 0 39905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !(defined __cplusplus && defined GNULIB_NAMESPACE) 40005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef fcntl 40105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define fcntl rpl_fcntl 40205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 40305436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_RPL (fcntl, int, (int fd, int action, ...)); 40405436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_RPL (fcntl, int, (int fd, int action, ...)); 40505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 40605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 40705436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (fcntl, int, (int fd, int action, ...)); 40805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 40905436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (fcntl, int, (int fd, int action, ...)); 41005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 41105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (fcntl); 41205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#elif defined GNULIB_POSIXCHECK 41305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef fcntl 41405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_FCNTL 41505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - " 41605436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use gnulib module fcntl for portability"); 41705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 41805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 41905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 42005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 1 42105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 1 42205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !(defined __cplusplus && defined GNULIB_NAMESPACE) 42305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef open 42405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define open rpl_open 42505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 42605436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) 42705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((1))); 42805436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); 42905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 43005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); 43105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 43205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* On HP-UX 11, in C++ mode, open() is defined as an inline function with a 43305436638acc7c010349a69c3395f1a57c642dc62Ying Wang default argument. _GL_CXXALIASWARN does not work in this case. */ 43405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !defined __hpux 43505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (open); 43605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 43705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#elif defined GNULIB_POSIXCHECK 43805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef open 43905436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Assume open is always declared. */ 44005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (open, "open is not always POSIX compliant - " 44105436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use gnulib module open for portability"); 44205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 44305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 44405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 0 44505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 0 44605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !(defined __cplusplus && defined GNULIB_NAMESPACE) 44705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef openat 44805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define openat rpl_openat 44905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 45005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_RPL (openat, int, 45105436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int fd, char const *file, int flags, /* mode_t mode */ ...) 45205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((2))); 45305436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_RPL (openat, int, 45405436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int fd, char const *file, int flags, /* mode_t mode */ ...)); 45505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 45605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 45705436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (openat, int, 45805436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int fd, char const *file, int flags, /* mode_t mode */ ...) 45905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((2))); 46005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 46105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (openat, int, 46205436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int fd, char const *file, int flags, /* mode_t mode */ ...)); 46305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 46405436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (openat); 46505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#elif defined GNULIB_POSIXCHECK 46605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef openat 46705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_OPENAT 46805436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (openat, "openat is not portable - " 46905436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use gnulib module openat for portability"); 47005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 47105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 47205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 47305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 47405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Fix up the FD_* macros, only known to be missing on mingw. */ 47505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 47605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef FD_CLOEXEC 47705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define FD_CLOEXEC 1 47805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 47905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 48005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Fix up the supported F_* macros. Intentionally leave other F_* 48105436638acc7c010349a69c3395f1a57c642dc62Ying Wang macros undefined. Only known to be missing on mingw. */ 48205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 48305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef F_DUPFD_CLOEXEC 48405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define F_DUPFD_CLOEXEC 0x40000000 48505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise. */ 48605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_F_DUPFD_CLOEXEC 1 48705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 48805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_F_DUPFD_CLOEXEC 0 48905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 49005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 49105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef F_DUPFD 49205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define F_DUPFD 1 49305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 49405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 49505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef F_GETFD 49605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define F_GETFD 2 49705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 49805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 49905436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Fix up the O_* macros. */ 50005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 50105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if !defined O_DIRECT && defined O_DIRECTIO 50205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Tru64 spells it 'O_DIRECTIO'. */ 50305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_DIRECT O_DIRECTIO 50405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 50505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 50605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if !defined O_CLOEXEC && defined O_NOINHERIT 50705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Mingw spells it 'O_NOINHERIT'. */ 50805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_CLOEXEC O_NOINHERIT 50905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 51005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 51105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_CLOEXEC 51205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_CLOEXEC 0 51305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 51405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 51505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_DIRECT 51605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_DIRECT 0 51705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 51805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 51905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_DIRECTORY 52005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_DIRECTORY 0 52105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 52205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 52305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_DSYNC 52405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_DSYNC 0 52505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 52605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 52705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_EXEC 52805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_EXEC O_RDONLY /* This is often close enough in older systems. */ 52905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 53005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 53105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_IGNORE_CTTY 53205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_IGNORE_CTTY 0 53305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 53405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 53505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_NDELAY 53605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NDELAY 0 53705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 53805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 53905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_NOATIME 54005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NOATIME 0 54105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 54205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 54305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_NONBLOCK 54405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NONBLOCK O_NDELAY 54505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 54605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 54705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* If the gnulib module 'nonblocking' is in use, guarantee a working non-zero 54805436638acc7c010349a69c3395f1a57c642dc62Ying Wang value of O_NONBLOCK. Otherwise, O_NONBLOCK is defined (above) to O_NDELAY 54905436638acc7c010349a69c3395f1a57c642dc62Ying Wang or to 0 as fallback. */ 55005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 0 55105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if O_NONBLOCK 55205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_O_NONBLOCK 0 55305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 55405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_O_NONBLOCK 1 55505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef O_NONBLOCK 55605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NONBLOCK 0x40000000 55705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 55805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 55905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 56005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_NOCTTY 56105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NOCTTY 0 56205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 56305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 56405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_NOFOLLOW 56505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NOFOLLOW 0 56605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 56705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 56805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_NOLINK 56905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NOLINK 0 57005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 57105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 57205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_NOLINKS 57305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NOLINKS 0 57405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 57505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 57605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_NOTRANS 57705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_NOTRANS 0 57805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 57905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 58005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_RSYNC 58105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_RSYNC 0 58205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 58305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 58405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_SEARCH 58505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_SEARCH O_RDONLY /* This is often close enough in older systems. */ 58605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 58705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 58805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_SYNC 58905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_SYNC 0 59005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 59105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 59205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_TTY_INIT 59305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_TTY_INIT 0 59405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 59505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 59605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if ~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH) 59705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef O_ACCMODE 59805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH) 59905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 60005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 60105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* For systems that distinguish between text and binary I/O. 60205436638acc7c010349a69c3395f1a57c642dc62Ying Wang O_BINARY is usually declared in fcntl.h */ 60305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if !defined O_BINARY && defined _O_BINARY 60405436638acc7c010349a69c3395f1a57c642dc62Ying Wang /* For MSC-compatible compilers. */ 60505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_BINARY _O_BINARY 60605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_TEXT _O_TEXT 60705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 60805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 60905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __BEOS__ || defined __HAIKU__ 61005436638acc7c010349a69c3395f1a57c642dc62Ying Wang /* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect. */ 61105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef O_BINARY 61205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef O_TEXT 61305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 61405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 61505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef O_BINARY 61605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_BINARY 0 61705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define O_TEXT 0 61805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 61905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 62005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Fix up the AT_* macros. */ 62105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 62205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its 62305436638acc7c010349a69c3395f1a57c642dc62Ying Wang value exceeds INT_MAX, so its use as an int doesn't conform to the 62405436638acc7c010349a69c3395f1a57c642dc62Ying Wang C standard, and GCC and Sun C complain in some cases. If the bug 62505436638acc7c010349a69c3395f1a57c642dc62Ying Wang is present, undef AT_FDCWD here, so it can be redefined below. */ 62605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553 62705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef AT_FDCWD 62805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 62905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 63005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Use the same bit pattern as Solaris 9, but with the proper 63105436638acc7c010349a69c3395f1a57c642dc62Ying Wang signedness. The bit pattern is important, in case this actually is 63205436638acc7c010349a69c3395f1a57c642dc62Ying Wang Solaris with the above workaround. */ 63305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef AT_FDCWD 63405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define AT_FDCWD (-3041965) 63505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 63605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 63705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Use the same values as Solaris 9. This shouldn't matter, but 63805436638acc7c010349a69c3395f1a57c642dc62Ying Wang there's no real reason to differ. */ 63905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef AT_SYMLINK_NOFOLLOW 64005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define AT_SYMLINK_NOFOLLOW 4096 64105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 64205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 64305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef AT_REMOVEDIR 64405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define AT_REMOVEDIR 1 64505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 64605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 64705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Solaris 9 lacks these two, so just pick unique values. */ 64805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef AT_SYMLINK_FOLLOW 64905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define AT_SYMLINK_FOLLOW 2 65005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 65105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 65205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef AT_EACCESS 65305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define AT_EACCESS 4 65405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 65505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 65605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 65705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif /* _GL_FCNTL_H */ 65805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif /* _GL_FCNTL_H */ 65905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 660