/* Like <fcntl.h>, but with non-working flags defined to 0.
- Copyright (C) 2006-2011 Free Software Foundation, Inc.
+ 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
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 <http://www.gnu.org/licenses/>. */
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* written by Paul Eggert */
#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.
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 && !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 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 _GL_FCNTL_H
+#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.
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 && !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 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@
-#ifndef _GL_FCNTL_H
-#define _GL_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>
/* 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)
# 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_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
/* 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@
/* 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'. */
+/* Tru64 spells it 'O_DIRECTIO'. */
# define O_DIRECT O_DIRECTIO
#endif
#if !defined O_CLOEXEC && defined O_NOINHERIT
-/* Mingw spells it `O_NOINHERIT'. Intentionally leave it
- undefined if not available. */
+/* Mingw spells it 'O_NOINHERIT'. */
# define O_CLOEXEC O_NOINHERIT
#endif
#ifndef O_CLOEXEC
-# define O_CLOEXEC 0
+# 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_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
# 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
# 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
# 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
#endif
-#endif /* _GL_FCNTL_H */
-#endif /* _GL_FCNTL_H */
+#endif /* _@GUARD_PREFIX@_FCNTL_H */
+#endif /* _@GUARD_PREFIX@_FCNTL_H */
#endif
projects / platform / upstream / m4.git / blobdiff