| /* Like <fcntl.h>, but with non-working flags defined to 0. |
| |
| Copyright (C) 2006-2021 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| /* written by Paul Eggert */ |
| |
| #if __GNUC__ >= 3 |
| @PRAGMA_SYSTEM_HEADER@ |
| #endif |
| @PRAGMA_COLUMNS@ |
| |
| #if defined __need_system_fcntl_h |
| /* Special invocation convention. */ |
| |
| /* Needed before <sys/stat.h>. |
| May also define off_t to a 64-bit type on native Windows. */ |
| #include <sys/types.h> |
| /* On some systems other than glibc, <sys/stat.h> is a prerequisite of |
| <fcntl.h>. On glibc systems, we would like to avoid namespace pollution. |
| But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an |
| extern "C" { ... } block, which leads to errors in C++ mode with the |
| overridden <sys/stat.h> from gnulib. These errors are known to be gone |
| with g++ version >= 4.3. */ |
| #if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))) |
| # include <sys/stat.h> |
| #endif |
| #@INCLUDE_NEXT@ @NEXT_FCNTL_H@ |
| |
| /* Native Windows platforms declare open(), creat() in <io.h>. */ |
| #if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \ |
| && (defined _WIN32 && ! defined __CYGWIN__) |
| # include <io.h> |
| #endif |
| |
| #else |
| /* Normal invocation convention. */ |
| |
| #ifndef _@GUARD_PREFIX@_FCNTL_H |
| |
| /* Needed before <sys/stat.h>. |
| May also define off_t to a 64-bit type on native Windows. */ |
| #include <sys/types.h> |
| /* On some systems other than glibc, <sys/stat.h> is a prerequisite of |
| <fcntl.h>. On glibc systems, we would like to avoid namespace pollution. |
| But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an |
| extern "C" { ... } block, which leads to errors in C++ mode with the |
| overridden <sys/stat.h> from gnulib. These errors are known to be gone |
| with g++ version >= 4.3. */ |
| #if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))) |
| # include <sys/stat.h> |
| #endif |
| /* The include_next requires a split double-inclusion guard. */ |
| #@INCLUDE_NEXT@ @NEXT_FCNTL_H@ |
| |
| /* Native Windows platforms declare open(), creat() in <io.h>. */ |
| #if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \ |
| && (defined _WIN32 && ! defined __CYGWIN__) |
| # include <io.h> |
| #endif |
| |
| #ifndef _@GUARD_PREFIX@_FCNTL_H |
| #define _@GUARD_PREFIX@_FCNTL_H |
| |
| #ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */ |
| # include <unistd.h> |
| #endif |
| |
| |
| /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ |
| |
| /* The definition of _GL_ARG_NONNULL is copied here. */ |
| |
| /* The definition of _GL_WARN_ON_USE is copied here. */ |
| |
| |
| /* Declare overridden functions. */ |
| |
| #if @GNULIB_CREAT@ |
| # if @REPLACE_CREAT@ |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # undef creat |
| # define creat rpl_creat |
| # endif |
| _GL_FUNCDECL_RPL (creat, int, (const char *filename, mode_t mode) |
| _GL_ARG_NONNULL ((1))); |
| _GL_CXXALIAS_RPL (creat, int, (const char *filename, mode_t mode)); |
| # elif defined _WIN32 && !defined __CYGWIN__ |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # undef creat |
| # define creat _creat |
| # endif |
| _GL_CXXALIAS_MDA (creat, int, (const char *filename, mode_t mode)); |
| # else |
| _GL_CXXALIAS_SYS (creat, int, (const char *filename, mode_t mode)); |
| # endif |
| _GL_CXXALIASWARN (creat); |
| #elif defined GNULIB_POSIXCHECK |
| # undef creat |
| /* Assume creat is always declared. */ |
| _GL_WARN_ON_USE (creat, "creat is not always POSIX compliant - " |
| "use gnulib module creat for portability"); |
| #elif @GNULIB_MDA_CREAT@ |
| /* On native Windows, map 'creat' to '_creat', so that -loldnames is not |
| required. In C++ with GNULIB_NAMESPACE, avoid differences between |
| platforms by defining GNULIB_NAMESPACE::creat always. */ |
| # if defined _WIN32 && !defined __CYGWIN__ |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # undef creat |
| # define creat _creat |
| # endif |
| /* Need to cast, because in mingw the last argument is 'int mode'. */ |
| _GL_CXXALIAS_MDA_CAST (creat, int, (const char *filename, mode_t mode)); |
| # else |
| _GL_CXXALIAS_SYS (creat, int, (const char *filename, mode_t mode)); |
| # endif |
| _GL_CXXALIASWARN (creat); |
| #endif |
| |
| #if @GNULIB_FCNTL@ |
| # if @REPLACE_FCNTL@ |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # undef fcntl |
| # define fcntl rpl_fcntl |
| # endif |
| _GL_FUNCDECL_RPL (fcntl, int, (int fd, int action, ...)); |
| _GL_CXXALIAS_RPL (fcntl, int, (int fd, int action, ...)); |
| # if !GNULIB_defined_rpl_fcntl |
| # define GNULIB_defined_rpl_fcntl 1 |
| # endif |
| # else |
| # if !@HAVE_FCNTL@ |
| _GL_FUNCDECL_SYS (fcntl, int, (int fd, int action, ...)); |
| # if !GNULIB_defined_fcntl |
| # define GNULIB_defined_fcntl 1 |
| # endif |
| # endif |
| _GL_CXXALIAS_SYS (fcntl, int, (int fd, int action, ...)); |
| # endif |
| _GL_CXXALIASWARN (fcntl); |
| #elif defined GNULIB_POSIXCHECK |
| # undef fcntl |
| # if HAVE_RAW_DECL_FCNTL |
| _GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - " |
| "use gnulib module fcntl for portability"); |
| # endif |
| #endif |
| |
| #if @GNULIB_OPEN@ |
| # if @REPLACE_OPEN@ |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # undef open |
| # define open rpl_open |
| # endif |
| _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) |
| _GL_ARG_NONNULL ((1))); |
| _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); |
| # elif defined _WIN32 && !defined __CYGWIN__ |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # undef open |
| # define open _open |
| # endif |
| _GL_CXXALIAS_MDA (open, int, (const char *filename, int flags, ...)); |
| # else |
| _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); |
| # endif |
| /* On HP-UX 11, in C++ mode, open() is defined as an inline function with a |
| default argument. _GL_CXXALIASWARN does not work in this case. */ |
| # if !defined __hpux |
| _GL_CXXALIASWARN (open); |
| # endif |
| #elif defined GNULIB_POSIXCHECK |
| # undef open |
| /* Assume open is always declared. */ |
| _GL_WARN_ON_USE (open, "open is not always POSIX compliant - " |
| "use gnulib module open for portability"); |
| #elif @GNULIB_MDA_OPEN@ |
| /* On native Windows, map 'open' to '_open', so that -loldnames is not |
| required. In C++ with GNULIB_NAMESPACE, avoid differences between |
| platforms by defining GNULIB_NAMESPACE::open always. */ |
| # if defined _WIN32 && !defined __CYGWIN__ |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # undef open |
| # define open _open |
| # endif |
| _GL_CXXALIAS_MDA (open, int, (const char *filename, int flags, ...)); |
| # else |
| _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); |
| # endif |
| # if !defined __hpux |
| _GL_CXXALIASWARN (open); |
| # endif |
| #endif |
| |
| #if @GNULIB_OPENAT@ |
| # if @REPLACE_OPENAT@ |
| # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
| # undef openat |
| # define openat rpl_openat |
| # endif |
| _GL_FUNCDECL_RPL (openat, int, |
| (int fd, char const *file, int flags, /* mode_t mode */ ...) |
| _GL_ARG_NONNULL ((2))); |
| _GL_CXXALIAS_RPL (openat, int, |
| (int fd, char const *file, int flags, /* mode_t mode */ ...)); |
| # else |
| # if !@HAVE_OPENAT@ |
| _GL_FUNCDECL_SYS (openat, int, |
| (int fd, char const *file, int flags, /* mode_t mode */ ...) |
| _GL_ARG_NONNULL ((2))); |
| # endif |
| _GL_CXXALIAS_SYS (openat, int, |
| (int fd, char const *file, int flags, /* mode_t mode */ ...)); |
| # endif |
| _GL_CXXALIASWARN (openat); |
| #elif defined GNULIB_POSIXCHECK |
| # undef openat |
| # if HAVE_RAW_DECL_OPENAT |
| _GL_WARN_ON_USE (openat, "openat is not portable - " |
| "use gnulib module openat for portability"); |
| # endif |
| #endif |
| |
| |
| /* Fix up the FD_* macros, only known to be missing on mingw. */ |
| |
| #ifndef FD_CLOEXEC |
| # define FD_CLOEXEC 1 |
| #endif |
| |
| /* Fix up the supported F_* macros. Intentionally leave other F_* |
| macros undefined. Only known to be missing on mingw. */ |
| |
| #ifndef F_DUPFD_CLOEXEC |
| # define F_DUPFD_CLOEXEC 0x40000000 |
| /* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise. */ |
| # define GNULIB_defined_F_DUPFD_CLOEXEC 1 |
| #else |
| # define GNULIB_defined_F_DUPFD_CLOEXEC 0 |
| #endif |
| |
| #ifndef F_DUPFD |
| # define F_DUPFD 1 |
| #endif |
| |
| #ifndef F_GETFD |
| # define F_GETFD 2 |
| #endif |
| |
| /* Fix up the O_* macros. */ |
| |
| /* AIX 7.1 with XL C 12.1 defines O_CLOEXEC, O_NOFOLLOW, and O_TTY_INIT |
| to values outside 'int' range, so omit these misdefinitions. |
| But avoid namespace pollution on non-AIX systems. */ |
| #ifdef _AIX |
| # include <limits.h> |
| # if defined O_CLOEXEC && ! (INT_MIN <= O_CLOEXEC && O_CLOEXEC <= INT_MAX) |
| # undef O_CLOEXEC |
| # endif |
| # if defined O_NOFOLLOW && ! (INT_MIN <= O_NOFOLLOW && O_NOFOLLOW <= INT_MAX) |
| # undef O_NOFOLLOW |
| # endif |
| # if defined O_TTY_INIT && ! (INT_MIN <= O_TTY_INIT && O_TTY_INIT <= INT_MAX) |
| # undef O_TTY_INIT |
| # endif |
| #endif |
| |
| #if !defined O_DIRECT && defined O_DIRECTIO |
| /* Tru64 spells it 'O_DIRECTIO'. */ |
| # define O_DIRECT O_DIRECTIO |
| #endif |
| |
| #if !defined O_CLOEXEC && defined O_NOINHERIT |
| /* Mingw spells it 'O_NOINHERIT'. */ |
| # define O_CLOEXEC O_NOINHERIT |
| #endif |
| |
| #ifndef O_CLOEXEC |
| # define O_CLOEXEC 0x40000000 /* Try to not collide with system O_* flags. */ |
| # define GNULIB_defined_O_CLOEXEC 1 |
| #else |
| # define GNULIB_defined_O_CLOEXEC 0 |
| #endif |
| |
| #ifndef O_DIRECT |
| # define O_DIRECT 0 |
| #endif |
| |
| #ifndef O_DIRECTORY |
| # define O_DIRECTORY 0 |
| #endif |
| |
| #ifndef O_DSYNC |
| # define O_DSYNC 0 |
| #endif |
| |
| #ifndef O_EXEC |
| # define O_EXEC O_RDONLY /* This is often close enough in older systems. */ |
| #endif |
| |
| #ifndef O_IGNORE_CTTY |
| # define O_IGNORE_CTTY 0 |
| #endif |
| |
| #ifndef O_NDELAY |
| # define O_NDELAY 0 |
| #endif |
| |
| #ifndef O_NOATIME |
| # define O_NOATIME 0 |
| #endif |
| |
| #ifndef O_NONBLOCK |
| # define O_NONBLOCK O_NDELAY |
| #endif |
| |
| /* If the gnulib module 'nonblocking' is in use, guarantee a working non-zero |
| value of O_NONBLOCK. Otherwise, O_NONBLOCK is defined (above) to O_NDELAY |
| or to 0 as fallback. */ |
| #if @GNULIB_NONBLOCKING@ |
| # if O_NONBLOCK |
| # define GNULIB_defined_O_NONBLOCK 0 |
| # else |
| # define GNULIB_defined_O_NONBLOCK 1 |
| # undef O_NONBLOCK |
| # define O_NONBLOCK 0x40000000 |
| # endif |
| #endif |
| |
| #ifndef O_NOCTTY |
| # define O_NOCTTY 0 |
| #endif |
| |
| #ifndef O_NOFOLLOW |
| # define O_NOFOLLOW 0 |
| #endif |
| |
| #ifndef O_NOLINK |
| # define O_NOLINK 0 |
| #endif |
| |
| #ifndef O_NOLINKS |
| # define O_NOLINKS 0 |
| #endif |
| |
| #ifndef O_NOTRANS |
| # define O_NOTRANS 0 |
| #endif |
| |
| #ifndef O_RSYNC |
| # define O_RSYNC 0 |
| #endif |
| |
| #ifndef O_SEARCH |
| # define O_SEARCH O_RDONLY /* This is often close enough in older systems. */ |
| #endif |
| |
| #ifndef O_SYNC |
| # define O_SYNC 0 |
| #endif |
| |
| #ifndef O_TTY_INIT |
| # define O_TTY_INIT 0 |
| #endif |
| |
| #if ~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH) |
| # undef O_ACCMODE |
| # define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH) |
| #endif |
| |
| /* For systems that distinguish between text and binary I/O. |
| O_BINARY is usually declared in fcntl.h */ |
| #if !defined O_BINARY && defined _O_BINARY |
| /* For MSC-compatible compilers. */ |
| # define O_BINARY _O_BINARY |
| # define O_TEXT _O_TEXT |
| #endif |
| |
| #if defined __BEOS__ || defined __HAIKU__ |
| /* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect. */ |
| # undef O_BINARY |
| # undef O_TEXT |
| #endif |
| |
| #ifndef O_BINARY |
| # define O_BINARY 0 |
| # define O_TEXT 0 |
| #endif |
| |
| /* Fix up the AT_* macros. */ |
| |
| /* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its |
| value exceeds INT_MAX, so its use as an int doesn't conform to the |
| C standard, and GCC and Sun C complain in some cases. If the bug |
| is present, undef AT_FDCWD here, so it can be redefined below. */ |
| #if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553 |
| # undef AT_FDCWD |
| #endif |
| |
| /* Use the same bit pattern as Solaris 9, but with the proper |
| signedness. The bit pattern is important, in case this actually is |
| Solaris with the above workaround. */ |
| #ifndef AT_FDCWD |
| # define AT_FDCWD (-3041965) |
| #endif |
| |
| /* Use the same values as Solaris 9. This shouldn't matter, but |
| there's no real reason to differ. */ |
| #ifndef AT_SYMLINK_NOFOLLOW |
| # define AT_SYMLINK_NOFOLLOW 4096 |
| #endif |
| |
| #ifndef AT_REMOVEDIR |
| # define AT_REMOVEDIR 1 |
| #endif |
| |
| /* Solaris 9 lacks these two, so just pick unique values. */ |
| #ifndef AT_SYMLINK_FOLLOW |
| # define AT_SYMLINK_FOLLOW 2 |
| #endif |
| |
| #ifndef AT_EACCESS |
| # define AT_EACCESS 4 |
| #endif |
| |
| |
| #endif /* _@GUARD_PREFIX@_FCNTL_H */ |
| #endif /* _@GUARD_PREFIX@_FCNTL_H */ |
| #endif |