/* Substitute for and wrapper around <unistd.h>.
- Copyright (C) 2003-2016 Free Software Foundation, Inc.
+ Copyright (C) 2003-2021 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/>. */
#ifndef _@GUARD_PREFIX@_UNISTD_H
#endif
@PRAGMA_COLUMNS@
-#ifdef _GL_INCLUDING_UNISTD_H
+#if @HAVE_UNISTD_H@ && defined _GL_INCLUDING_UNISTD_H
/* Special invocation convention:
- On Mac OS X 10.3.9 we have a sequence of nested includes
<unistd.h> -> <signal.h> -> <pthread.h> -> <unistd.h>
#define _@GUARD_PREFIX@_UNISTD_H
/* NetBSD 5.0 mis-defines NULL. Also get size_t. */
-#include <stddef.h>
+/* But avoid namespace pollution on glibc systems. */
+#ifndef __GLIBC__
+# include <stddef.h>
+#endif
/* mingw doesn't define the SEEK_* or *_FILENO macros in <unistd.h>. */
/* MSVC declares 'unlink' in <stdio.h>, not in <unistd.h>. We must include
/* But avoid namespace pollution on glibc systems. */
#if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \
|| ((@GNULIB_UNLINK@ || defined GNULIB_POSIXCHECK) \
- && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)) \
+ && (defined _WIN32 && ! defined __CYGWIN__)) \
|| ((@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK) \
&& defined __CYGWIN__)) \
&& ! defined __GLIBC__
# include <stdio.h>
#endif
-/* Cygwin 1.7.1 declares unlinkat in <fcntl.h>, not in <unistd.h>. */
+/* Cygwin 1.7.1 and Android 4.3 declare unlinkat in <fcntl.h>, not in
+ <unistd.h>. */
/* But avoid namespace pollution on glibc systems. */
-#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && defined __CYGWIN__ \
+#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) \
+ && (defined __CYGWIN__ || defined __ANDROID__) \
&& ! defined __GLIBC__
# include <fcntl.h>
#endif
# undef __need_system_stdlib_h
#endif
-/* Native Windows platforms declare chdir, getcwd, rmdir in
+/* Native Windows platforms declare _chdir, _getcwd, _rmdir in
<io.h> and/or <direct.h>, not in <unistd.h>.
- They also declare access(), chmod(), close(), dup(), dup2(), isatty(),
- lseek(), read(), unlink(), write() in <io.h>. */
-#if ((@GNULIB_CHDIR@ || @GNULIB_GETCWD@ || @GNULIB_RMDIR@ \
- || defined GNULIB_POSIXCHECK) \
- && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
-# include <io.h> /* mingw32, mingw64 */
-# include <direct.h> /* mingw64, MSVC 9 */
-#elif (@GNULIB_CLOSE@ || @GNULIB_DUP@ || @GNULIB_DUP2@ || @GNULIB_ISATTY@ \
- || @GNULIB_LSEEK@ || @GNULIB_READ@ || @GNULIB_UNLINK@ || @GNULIB_WRITE@ \
- || defined GNULIB_POSIXCHECK) \
- && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
+ They also declare _access(), _chmod(), _close(), _dup(), _dup2(), _isatty(),
+ _lseek(), _read(), _unlink(), _write() in <io.h>. */
+#if defined _WIN32 && !defined __CYGWIN__
# include <io.h>
+# include <direct.h>
+#endif
+
+/* Native Windows platforms declare _execl*, _execv* in <process.h>. */
+#if defined _WIN32 && !defined __CYGWIN__
+# include <process.h>
#endif
/* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>.
# include <netdb.h>
#endif
-/* MSVC defines off_t in <sys/types.h>.
- May also define off_t to a 64-bit type on native Windows. */
-#if !@HAVE_UNISTD_H@ || @WINDOWS_64_BIT_OFF_T@
-/* Get off_t. */
-# include <sys/types.h>
+/* Mac OS X 10.13, Solaris 11.4, and Android 9.0 declare getentropy in
+ <sys/random.h>, not in <unistd.h>. */
+/* But avoid namespace pollution on glibc systems. */
+#if (@GNULIB_GETENTROPY@ || defined GNULIB_POSIXCHECK) \
+ && ((defined __APPLE__ && defined __MACH__) || defined __sun \
+ || defined __ANDROID__) \
+ && @UNISTD_H_HAVE_SYS_RANDOM_H@ \
+ && !defined __GLIBC__
+# include <sys/random.h>
#endif
-#if (@GNULIB_READ@ || @GNULIB_WRITE@ \
- || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
- || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK)
-/* Get ssize_t. */
-# include <sys/types.h>
+/* Android 4.3 declares fchownat in <sys/stat.h>, not in <unistd.h>. */
+/* But avoid namespace pollution on glibc systems. */
+#if (@GNULIB_FCHOWNAT@ || defined GNULIB_POSIXCHECK) && defined __ANDROID__ \
+ && !defined __GLIBC__
+# include <sys/stat.h>
#endif
-/* Get getopt(), optarg, optind, opterr, optopt.
- But avoid namespace pollution on glibc systems. */
-#if @GNULIB_UNISTD_H_GETOPT@ && !defined __GLIBC__ && !defined _GL_SYSTEM_GETOPT
-# define __need_getopt
-# include <getopt.h>
+/* MSVC defines off_t in <sys/types.h>.
+ May also define off_t to a 64-bit type on native Windows. */
+/* Get off_t, ssize_t, mode_t. */
+#include <sys/types.h>
+
+/* 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. */
+
+
+/* Get getopt(), optarg, optind, opterr, optopt. */
+#if @GNULIB_GETOPT_POSIX@ && @GNULIB_UNISTD_H_GETOPT@ && !defined _GL_SYSTEM_GETOPT
+# include <getopt-cdefs.h>
+# include <getopt-pfx-core.h>
#endif
#ifndef _GL_INLINE_HEADER_BEGIN
# define _GL_UNISTD_INLINE _GL_INLINE
#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. */
-
-
/* Hide some function declarations from <winsock2.h>. */
#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@
/* Declare overridden functions. */
-#if defined GNULIB_POSIXCHECK
+#if @GNULIB_ACCESS@
+# if @REPLACE_ACCESS@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef access
+# define access rpl_access
+# endif
+_GL_FUNCDECL_RPL (access, int, (const char *file, int mode)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (access, int, (const char *file, int mode));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef access
+# define access _access
+# endif
+_GL_CXXALIAS_MDA (access, int, (const char *file, int mode));
+# else
+_GL_CXXALIAS_SYS (access, int, (const char *file, int mode));
+# endif
+_GL_CXXALIASWARN (access);
+#elif defined GNULIB_POSIXCHECK
+# undef access
+# if HAVE_RAW_DECL_ACCESS
/* The access() function is a security risk. */
-_GL_WARN_ON_USE (access, "the access function is a security risk - "
+_GL_WARN_ON_USE (access, "access does not always support X_OK - "
+ "use gnulib module access for portability; "
+ "also, this function is a security risk - "
"use the gnulib module faccessat instead");
+# endif
+#elif @GNULIB_MDA_ACCESS@
+/* On native Windows, map 'access' to '_access', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::access always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef access
+# define access _access
+# endif
+_GL_CXXALIAS_MDA (access, int, (const char *file, int mode));
+# else
+_GL_CXXALIAS_SYS (access, int, (const char *file, int mode));
+# endif
+_GL_CXXALIASWARN (access);
#endif
#if @GNULIB_CHDIR@
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef chdir
+# define chdir _chdir
+# endif
+_GL_CXXALIAS_MDA (chdir, int, (const char *file));
+# else
_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
+# endif
_GL_CXXALIASWARN (chdir);
#elif defined GNULIB_POSIXCHECK
# undef chdir
_GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - "
"use gnulib module chdir for portability");
# endif
+#elif @GNULIB_MDA_CHDIR@
+/* On native Windows, map 'chdir' to '_chdir', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::chdir always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef chdir
+# define chdir _chdir
+# endif
+_GL_CXXALIAS_MDA (chdir, int, (const char *file));
+# else
+_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIASWARN (chdir);
#endif
to GID (if GID is not -1). Follow symbolic links.
Return 0 if successful, otherwise -1 and errno set.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */
# if @REPLACE_CHOWN@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef chown
# endif
_GL_FUNCDECL_RPL (close, int, (int fd));
_GL_CXXALIAS_RPL (close, int, (int fd));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef close
+# define close _close
+# endif
+_GL_CXXALIAS_MDA (close, int, (int fd));
# else
_GL_CXXALIAS_SYS (close, int, (int fd));
# endif
/* Assume close is always declared. */
_GL_WARN_ON_USE (close, "close does not portably work on sockets - "
"use gnulib module close for portability");
+#elif @GNULIB_MDA_CLOSE@
+/* On native Windows, map 'close' to '_close', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::close always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef close
+# define close _close
+# endif
+_GL_CXXALIAS_MDA (close, int, (int fd));
+# else
+_GL_CXXALIAS_SYS (close, int, (int fd));
+# endif
+_GL_CXXALIASWARN (close);
+#endif
+
+
+#if @GNULIB_COPY_FILE_RANGE@
+# if !@HAVE_COPY_FILE_RANGE@
+_GL_FUNCDECL_SYS (copy_file_range, ssize_t, (int ifd, off_t *ipos,
+ int ofd, off_t *opos,
+ size_t len, unsigned flags));
+_GL_CXXALIAS_SYS (copy_file_range, ssize_t, (int ifd, off_t *ipos,
+ int ofd, off_t *opos,
+ size_t len, unsigned flags));
+# endif
+_GL_CXXALIASWARN (copy_file_range);
+#elif defined GNULIB_POSIXCHECK
+# if HAVE_RAW_DECL_COPY_FILE_RANGE
+_GL_WARN_ON_USE (copy_file_range,
+ "copy_file_range is unportable - "
+ "use gnulib module copy_file_range for portability");
+# endif
#endif
# endif
_GL_FUNCDECL_RPL (dup, int, (int oldfd));
_GL_CXXALIAS_RPL (dup, int, (int oldfd));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef dup
+# define dup _dup
+# endif
+_GL_CXXALIAS_MDA (dup, int, (int oldfd));
# else
_GL_CXXALIAS_SYS (dup, int, (int oldfd));
# endif
_GL_WARN_ON_USE (dup, "dup is unportable - "
"use gnulib module dup for portability");
# endif
+#elif @GNULIB_MDA_DUP@
+/* On native Windows, map 'dup' to '_dup', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::dup always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef dup
+# define dup _dup
+# endif
+_GL_CXXALIAS_MDA (dup, int, (int oldfd));
+# else
+_GL_CXXALIAS_SYS (dup, int, (int oldfd));
+# endif
+_GL_CXXALIASWARN (dup);
#endif
NEWFD = OLDFD, otherwise close NEWFD first if it is open.
Return newfd if successful, otherwise -1 and errno set.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */
# if @REPLACE_DUP2@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define dup2 rpl_dup2
# endif
_GL_FUNCDECL_RPL (dup2, int, (int oldfd, int newfd));
_GL_CXXALIAS_RPL (dup2, int, (int oldfd, int newfd));
-# else
-# if !@HAVE_DUP2@
-_GL_FUNCDECL_SYS (dup2, int, (int oldfd, int newfd));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef dup2
+# define dup2 _dup2
# endif
+_GL_CXXALIAS_MDA (dup2, int, (int oldfd, int newfd));
+# else
_GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd));
# endif
_GL_CXXALIASWARN (dup2);
_GL_WARN_ON_USE (dup2, "dup2 is unportable - "
"use gnulib module dup2 for portability");
# endif
+#elif @GNULIB_MDA_DUP2@
+/* On native Windows, map 'dup2' to '_dup2', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::dup2 always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef dup2
+# define dup2 _dup2
+# endif
+_GL_CXXALIAS_MDA (dup2, int, (int oldfd, int newfd));
+# else
+_GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd));
+# endif
+_GL_CXXALIASWARN (dup2);
#endif
Close NEWFD first if it is open.
Return newfd if successful, otherwise -1 and errno set.
See the Linux man page at
- <http://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */
+ <https://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */
# if @HAVE_DUP3@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define dup3 rpl_dup3
#if @GNULIB_ENVIRON@
+# if defined __CYGWIN__ && !defined __i386__
+/* The 'environ' variable is defined in a DLL. Therefore its declaration needs
+ the '__declspec(dllimport)' attribute, but the system's <unistd.h> lacks it.
+ This leads to a link error on 64-bit Cygwin when the option
+ -Wl,--disable-auto-import is in use. */
+_GL_EXTERN_C __declspec(dllimport) char **environ;
+# endif
# if !@HAVE_DECL_ENVIRON@
/* Set of environment variables and values. An array of strings of the form
"VARIABLE=VALUE", terminated with a NULL. */
#elif defined GNULIB_POSIXCHECK
# if HAVE_RAW_DECL_ENVIRON
_GL_UNISTD_INLINE char ***
+_GL_WARN_ON_USE_ATTRIBUTE ("environ is unportable - "
+ "use gnulib module environ for portability")
rpl_environ (void)
{
return &environ;
}
-_GL_WARN_ON_USE (rpl_environ, "environ is unportable - "
- "use gnulib module environ for portability");
# undef environ
# define environ (*rpl_environ ())
# endif
#endif
+#if @GNULIB_EXECL@
+# if @REPLACE_EXECL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execl
+# define execl rpl_execl
+# endif
+_GL_FUNCDECL_RPL (execl, int, (const char *program, const char *arg, ...)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (execl, int, (const char *program, const char *arg, ...));
+# else
+_GL_CXXALIAS_SYS (execl, int, (const char *program, const char *arg, ...));
+# endif
+_GL_CXXALIASWARN (execl);
+#elif defined GNULIB_POSIXCHECK
+# undef execl
+# if HAVE_RAW_DECL_EXECL
+_GL_WARN_ON_USE (execl, "execl behaves very differently on mingw - "
+ "use gnulib module execl for portability");
+# endif
+#elif @GNULIB_MDA_EXECL@
+/* On native Windows, map 'execl' to '_execl', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::execl always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execl
+# define execl _execl
+# endif
+_GL_CXXALIAS_MDA (execl, intptr_t, (const char *program, const char *arg, ...));
+# else
+_GL_CXXALIAS_SYS (execl, int, (const char *program, const char *arg, ...));
+# endif
+_GL_CXXALIASWARN (execl);
+#endif
+
+#if @GNULIB_EXECLE@
+# if @REPLACE_EXECLE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execle
+# define execle rpl_execle
+# endif
+_GL_FUNCDECL_RPL (execle, int, (const char *program, const char *arg, ...)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (execle, int, (const char *program, const char *arg, ...));
+# else
+_GL_CXXALIAS_SYS (execle, int, (const char *program, const char *arg, ...));
+# endif
+_GL_CXXALIASWARN (execle);
+#elif defined GNULIB_POSIXCHECK
+# undef execle
+# if HAVE_RAW_DECL_EXECLE
+_GL_WARN_ON_USE (execle, "execle behaves very differently on mingw - "
+ "use gnulib module execle for portability");
+# endif
+#elif @GNULIB_MDA_EXECLE@
+/* On native Windows, map 'execle' to '_execle', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::execle always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execle
+# define execle _execle
+# endif
+_GL_CXXALIAS_MDA (execle, intptr_t,
+ (const char *program, const char *arg, ...));
+# else
+_GL_CXXALIAS_SYS (execle, int, (const char *program, const char *arg, ...));
+# endif
+_GL_CXXALIASWARN (execle);
+#endif
+
+#if @GNULIB_EXECLP@
+# if @REPLACE_EXECLP@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execlp
+# define execlp rpl_execlp
+# endif
+_GL_FUNCDECL_RPL (execlp, int, (const char *program, const char *arg, ...)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (execlp, int, (const char *program, const char *arg, ...));
+# else
+_GL_CXXALIAS_SYS (execlp, int, (const char *program, const char *arg, ...));
+# endif
+_GL_CXXALIASWARN (execlp);
+#elif defined GNULIB_POSIXCHECK
+# undef execlp
+# if HAVE_RAW_DECL_EXECLP
+_GL_WARN_ON_USE (execlp, "execlp behaves very differently on mingw - "
+ "use gnulib module execlp for portability");
+# endif
+#elif @GNULIB_MDA_EXECLP@
+/* On native Windows, map 'execlp' to '_execlp', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::execlp always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execlp
+# define execlp _execlp
+# endif
+_GL_CXXALIAS_MDA (execlp, intptr_t,
+ (const char *program, const char *arg, ...));
+# else
+_GL_CXXALIAS_SYS (execlp, int, (const char *program, const char *arg, ...));
+# endif
+_GL_CXXALIASWARN (execlp);
+#endif
+
+
+#if @GNULIB_EXECV@
+# if @REPLACE_EXECV@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execv
+# define execv rpl_execv
+# endif
+_GL_FUNCDECL_RPL (execv, int, (const char *program, char * const *argv)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (execv, int, (const char *program, char * const *argv));
+# else
+_GL_CXXALIAS_SYS (execv, int, (const char *program, char * const *argv));
+# endif
+_GL_CXXALIASWARN (execv);
+#elif defined GNULIB_POSIXCHECK
+# undef execv
+# if HAVE_RAW_DECL_EXECV
+_GL_WARN_ON_USE (execv, "execv behaves very differently on mingw - "
+ "use gnulib module execv for portability");
+# endif
+#elif @GNULIB_MDA_EXECV@
+/* On native Windows, map 'execv' to '_execv', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::execv always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execv
+# define execv _execv
+# endif
+_GL_CXXALIAS_MDA_CAST (execv, intptr_t,
+ (const char *program, char * const *argv));
+# else
+_GL_CXXALIAS_SYS (execv, int, (const char *program, char * const *argv));
+# endif
+_GL_CXXALIASWARN (execv);
+#endif
+
+#if @GNULIB_EXECVE@
+# if @REPLACE_EXECVE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execve
+# define execve rpl_execve
+# endif
+_GL_FUNCDECL_RPL (execve, int,
+ (const char *program, char * const *argv, char * const *env)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (execve, int,
+ (const char *program, char * const *argv, char * const *env));
+# else
+_GL_CXXALIAS_SYS (execve, int,
+ (const char *program, char * const *argv, char * const *env));
+# endif
+_GL_CXXALIASWARN (execve);
+#elif defined GNULIB_POSIXCHECK
+# undef execve
+# if HAVE_RAW_DECL_EXECVE
+_GL_WARN_ON_USE (execve, "execve behaves very differently on mingw - "
+ "use gnulib module execve for portability");
+# endif
+#elif @GNULIB_MDA_EXECVE@
+/* On native Windows, map 'execve' to '_execve', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::execve always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execve
+# define execve _execve
+# endif
+_GL_CXXALIAS_MDA_CAST (execve, intptr_t,
+ (const char *program, char * const *argv,
+ char * const *env));
+# else
+_GL_CXXALIAS_SYS (execve, int,
+ (const char *program, char * const *argv, char * const *env));
+# endif
+_GL_CXXALIASWARN (execve);
+#endif
+
+#if @GNULIB_EXECVP@
+# if @REPLACE_EXECVP@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execvp
+# define execvp rpl_execvp
+# endif
+_GL_FUNCDECL_RPL (execvp, int, (const char *program, char * const *argv)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (execvp, int, (const char *program, char * const *argv));
+# else
+_GL_CXXALIAS_SYS (execvp, int, (const char *program, char * const *argv));
+# endif
+_GL_CXXALIASWARN (execvp);
+#elif defined GNULIB_POSIXCHECK
+# undef execvp
+# if HAVE_RAW_DECL_EXECVP
+_GL_WARN_ON_USE (execvp, "execvp behaves very differently on mingw - "
+ "use gnulib module execvp for portability");
+# endif
+#elif @GNULIB_MDA_EXECVP@
+/* On native Windows, map 'execvp' to '_execvp', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::execvp always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execvp
+# define execvp _execvp
+# endif
+_GL_CXXALIAS_MDA_CAST (execvp, intptr_t,
+ (const char *program, char * const *argv));
+# else
+_GL_CXXALIAS_SYS (execvp, int, (const char *program, char * const *argv));
+# endif
+_GL_CXXALIASWARN (execvp);
+#endif
+
+#if @GNULIB_EXECVPE@
+# if @REPLACE_EXECVPE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execvpe
+# define execvpe rpl_execvpe
+# endif
+_GL_FUNCDECL_RPL (execvpe, int,
+ (const char *program, char * const *argv, char * const *env)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (execvpe, int,
+ (const char *program, char * const *argv, char * const *env));
+# else
+# if !@HAVE_DECL_EXECVPE@
+_GL_FUNCDECL_SYS (execvpe, int,
+ (const char *program, char * const *argv, char * const *env)
+ _GL_ARG_NONNULL ((1, 2)));
+# endif
+_GL_CXXALIAS_SYS (execvpe, int,
+ (const char *program, char * const *argv, char * const *env));
+# endif
+_GL_CXXALIASWARN (execvpe);
+#elif defined GNULIB_POSIXCHECK
+# undef execvpe
+# if HAVE_RAW_DECL_EXECVPE
+_GL_WARN_ON_USE (execvpe, "execvpe behaves very differently on mingw - "
+ "use gnulib module execvpe for portability");
+# endif
+#elif @GNULIB_MDA_EXECVPE@
+/* On native Windows, map 'execvpe' to '_execvpe', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::execvpe on all platforms that have
+ it. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef execvpe
+# define execvpe _execvpe
+# endif
+_GL_CXXALIAS_MDA_CAST (execvpe, intptr_t,
+ (const char *program, char * const *argv,
+ char * const *env));
+# elif @HAVE_EXECVPE@
+# if !@HAVE_DECL_EXECVPE@
+_GL_FUNCDECL_SYS (execvpe, int,
+ (const char *program, char * const *argv, char * const *env)
+ _GL_ARG_NONNULL ((1, 2)));
+# endif
+_GL_CXXALIAS_SYS (execvpe, int,
+ (const char *program, char * const *argv, char * const *env));
+# endif
+# if (defined _WIN32 && !defined __CYGWIN__) || @HAVE_EXECVPE@
+_GL_CXXALIASWARN (execvpe);
+# endif
+#endif
+
+
#if @GNULIB_FACCESSAT@
-# if !@HAVE_FACCESSAT@
+# if @REPLACE_FACCESSAT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef faccessat
+# define faccessat rpl_faccessat
+# endif
+_GL_FUNCDECL_RPL (faccessat, int,
+ (int fd, char const *name, int mode, int flag)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (faccessat, int,
+ (int fd, char const *name, int mode, int flag));
+# else
+# if !@HAVE_FACCESSAT@
_GL_FUNCDECL_SYS (faccessat, int,
(int fd, char const *file, int mode, int flag)
_GL_ARG_NONNULL ((2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (faccessat, int,
(int fd, char const *file, int mode, int flag));
+# endif
_GL_CXXALIASWARN (faccessat);
#elif defined GNULIB_POSIXCHECK
# undef faccessat
the given file descriptor is open.
Return 0 if successful, otherwise -1 and errno set.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */
# if ! @HAVE_FCHDIR@
_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
# undef fchownat
# if HAVE_RAW_DECL_FCHOWNAT
_GL_WARN_ON_USE (fchownat, "fchownat is not portable - "
- "use gnulib module openat for portability");
+ "use gnulib module fchownat for portability");
# endif
#endif
/* Synchronize changes to a file.
Return 0 if successful, otherwise -1 and errno set.
See POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */
# if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@
_GL_FUNCDECL_SYS (fdatasync, int, (int fd));
# endif
/* Synchronize changes, including metadata, to a file.
Return 0 if successful, otherwise -1 and errno set.
See POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */
# if !@HAVE_FSYNC@
_GL_FUNCDECL_SYS (fsync, int, (int fd));
# endif
/* Change the size of the file to which FD is opened to become equal to LENGTH.
Return 0 if successful, otherwise -1 and errno set.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */
# if @REPLACE_FTRUNCATE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef ftruncate
Return BUF if successful, or NULL if the directory couldn't be determined
or SIZE was too small.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>.
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>.
Additionally, the gnulib module 'getcwd' guarantees the following GNU
extension: If BUF is NULL, an array is allocated with 'malloc'; the array
is SIZE bytes long, unless SIZE == 0, in which case it is as big as
# endif
_GL_FUNCDECL_RPL (getcwd, char *, (char *buf, size_t size));
_GL_CXXALIAS_RPL (getcwd, char *, (char *buf, size_t size));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getcwd
+# define getcwd _getcwd
+# endif
+_GL_CXXALIAS_MDA (getcwd, char *, (char *buf, size_t size));
# else
/* Need to cast, because on mingw, the second parameter is
int size. */
_GL_WARN_ON_USE (getcwd, "getcwd is unportable - "
"use gnulib module getcwd for portability");
# endif
+#elif @GNULIB_MDA_GETCWD@
+/* On native Windows, map 'getcwd' to '_getcwd', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::getcwd always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getcwd
+# define getcwd _getcwd
+# endif
+/* Need to cast, because on mingw, the second parameter is either
+ 'int size' or 'size_t size'. */
+_GL_CXXALIAS_MDA_CAST (getcwd, char *, (char *buf, size_t size));
+# else
+_GL_CXXALIAS_SYS_CAST (getcwd, char *, (char *buf, size_t size));
+# endif
+_GL_CXXALIASWARN (getcwd);
#endif
# if !@HAVE_GETDTABLESIZE@
_GL_FUNCDECL_SYS (getdtablesize, int, (void));
# endif
-_GL_CXXALIAS_SYS (getdtablesize, int, (void));
+/* Need to cast, because on AIX, the parameter list is
+ (...). */
+_GL_CXXALIAS_SYS_CAST (getdtablesize, int, (void));
# endif
_GL_CXXALIASWARN (getdtablesize);
#elif defined GNULIB_POSIXCHECK
#endif
+#if @GNULIB_GETENTROPY@
+/* Fill a buffer with random bytes. */
+# if !@HAVE_GETENTROPY@
+_GL_FUNCDECL_SYS (getentropy, int, (void *buffer, size_t length));
+# endif
+_GL_CXXALIAS_SYS (getentropy, int, (void *buffer, size_t length));
+_GL_CXXALIASWARN (getentropy);
+#elif defined GNULIB_POSIXCHECK
+# undef getentropy
+# if HAVE_RAW_DECL_GETENTROPY
+_GL_WARN_ON_USE (getentropy, "getentropy is unportable - "
+ "use gnulib module getentropy for portability");
+# endif
+#endif
+
+
#if @GNULIB_GETGROUPS@
/* Return the supplemental groups that the current process belongs to.
It is unspecified whether the effective group id is in the list.
/* Returns the user's login name, or NULL if it cannot be found. Upon error,
returns NULL with errno set.
- See <http://www.opengroup.org/susv3xsh/getlogin.html>.
+ See <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getlogin.html>.
Most programs don't need to use this function, because the information is
available through environment variables:
the case that the login name cannot be found but no specific error is
provided (this case is hopefully rare but is left open by the POSIX spec).
- See <http://www.opengroup.org/susv3xsh/getlogin.html>.
+ See <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getlogin.html>.
Most programs don't need to use this function, because the information is
available through environment variables:
_GL_FUNCDECL_RPL (getpagesize, int, (void));
_GL_CXXALIAS_RPL (getpagesize, int, (void));
# else
+/* On HP-UX, getpagesize exists, but it is not declared in <unistd.h> even if
+ the compiler options -D_HPUX_SOURCE -D_XOPEN_SOURCE=600 are used. */
+# if defined __hpux
+_GL_FUNCDECL_SYS (getpagesize, int, (void));
+# endif
# if !@HAVE_GETPAGESIZE@
# if !defined getpagesize
/* This is for POSIX systems. */
#endif
+#if @GNULIB_GETPASS@
+/* Function getpass() from module 'getpass':
+ Read a password from /dev/tty or stdin.
+ Function getpass() from module 'getpass-gnu':
+ Read a password of arbitrary length from /dev/tty or stdin. */
+# if @REPLACE_GETPASS@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getpass
+# define getpass rpl_getpass
+# endif
+_GL_FUNCDECL_RPL (getpass, char *, (const char *prompt)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (getpass, char *, (const char *prompt));
+# else
+# if !@HAVE_GETPASS@
+_GL_FUNCDECL_SYS (getpass, char *, (const char *prompt)
+ _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (getpass, char *, (const char *prompt));
+# endif
+_GL_CXXALIASWARN (getpass);
+#elif defined GNULIB_POSIXCHECK
+# undef getpass
+# if HAVE_RAW_DECL_GETPASS
+_GL_WARN_ON_USE (getpass, "getpass is unportable - "
+ "use gnulib module getpass or getpass-gnu for portability");
+# endif
+#endif
+
+
+#if @GNULIB_MDA_GETPID@
+/* On native Windows, map 'getpid' to '_getpid', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::getpid always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getpid
+# define getpid _getpid
+# endif
+_GL_CXXALIAS_MDA (getpid, int, (void));
+# else
+_GL_CXXALIAS_SYS (getpid, pid_t, (void));
+# endif
+_GL_CXXALIASWARN (getpid);
+#endif
+
+
#if @GNULIB_GETUSERSHELL@
/* Return the next valid login shell on the system, or NULL when the end of
the list has been reached. */
# endif
_GL_FUNCDECL_RPL (isatty, int, (int fd));
_GL_CXXALIAS_RPL (isatty, int, (int fd));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef isatty
+# define isatty _isatty
+# endif
+_GL_CXXALIAS_MDA (isatty, int, (int fd));
# else
_GL_CXXALIAS_SYS (isatty, int, (int fd));
# endif
_GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - "
"use gnulib module isatty for portability");
# endif
+#elif @GNULIB_MDA_ISATTY@
+/* On native Windows, map 'isatty' to '_isatty', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::isatty always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef isatty
+# define isatty _isatty
+# endif
+_GL_CXXALIAS_MDA (isatty, int, (int fd));
+# else
+_GL_CXXALIAS_SYS (isatty, int, (int fd));
+# endif
+_GL_CXXALIASWARN (isatty);
#endif
to GID (if GID is not -1). Do not follow symbolic links.
Return 0 if successful, otherwise -1 and errno set.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */
# if @REPLACE_LCHOWN@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef lchown
/* Create a new hard link for an existing file.
Return 0 if successful, otherwise -1 and errno set.
See POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */
# if @REPLACE_LINK@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define link rpl_link
/* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END.
Return the new offset if successful, otherwise -1 and errno set.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */
# if @REPLACE_LSEEK@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define lseek rpl_lseek
# endif
_GL_FUNCDECL_RPL (lseek, off_t, (int fd, off_t offset, int whence));
_GL_CXXALIAS_RPL (lseek, off_t, (int fd, off_t offset, int whence));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef lseek
+# define lseek _lseek
+# endif
+_GL_CXXALIAS_MDA (lseek, off_t, (int fd, off_t offset, int whence));
# else
_GL_CXXALIAS_SYS (lseek, off_t, (int fd, off_t offset, int whence));
# endif
_GL_WARN_ON_USE (lseek, "lseek does not fail with ESPIPE on pipes on some "
"systems - use gnulib module lseek for portability");
# endif
+#elif @GNULIB_MDA_LSEEK@
+/* On native Windows, map 'lseek' to '_lseek', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::lseek always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef lseek
+# define lseek _lseek
+# endif
+_GL_CXXALIAS_MDA (lseek, long, (int fd, long offset, int whence));
+# else
+_GL_CXXALIAS_SYS (lseek, off_t, (int fd, off_t offset, int whence));
+# endif
+_GL_CXXALIASWARN (lseek);
#endif
Store the read-end as fd[0] and the write-end as fd[1].
Return 0 upon success, or -1 with errno set upon failure.
See also the Linux man page at
- <http://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>. */
+ <https://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>. */
# if @HAVE_PIPE2@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define pipe2 rpl_pipe2
Return the number of bytes placed into BUF if successful, otherwise
set errno and return -1. 0 indicates EOF.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */
# if @REPLACE_PREAD@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef pread
Return the number of bytes written if successful, otherwise
set errno and return -1. 0 indicates nothing written. See the
POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>. */
# if @REPLACE_PWRITE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef pwrite
#if @GNULIB_READ@
/* Read up to COUNT bytes from file descriptor FD into the buffer starting
at BUF. See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */
# if @REPLACE_READ@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef read
_GL_FUNCDECL_RPL (read, ssize_t, (int fd, void *buf, size_t count)
_GL_ARG_NONNULL ((2)));
_GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef read
+# define read _read
+# endif
+_GL_CXXALIAS_MDA (read, ssize_t, (int fd, void *buf, size_t count));
+# else
+_GL_CXXALIAS_SYS (read, ssize_t, (int fd, void *buf, size_t count));
+# endif
+_GL_CXXALIASWARN (read);
+#elif @GNULIB_MDA_READ@
+/* On native Windows, map 'read' to '_read', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::read always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef read
+# define read _read
+# endif
+# ifdef __MINGW32__
+_GL_CXXALIAS_MDA (read, int, (int fd, void *buf, unsigned int count));
+# else
+_GL_CXXALIAS_MDA (read, ssize_t, (int fd, void *buf, unsigned int count));
+# endif
# else
-/* Need to cast, because on mingw, the third parameter is
- unsigned int count
- and the return type is 'int'. */
-_GL_CXXALIAS_SYS_CAST (read, ssize_t, (int fd, void *buf, size_t count));
+_GL_CXXALIAS_SYS (read, ssize_t, (int fd, void *buf, size_t count));
# endif
_GL_CXXALIASWARN (read);
#endif
bytes of it into BUF. Return the number of bytes placed into BUF if
successful, otherwise -1 and errno set.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */
# if @REPLACE_READLINK@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define readlink rpl_readlink
# endif
_GL_FUNCDECL_RPL (readlink, ssize_t,
- (const char *file, char *buf, size_t bufsize)
+ (const char *restrict file,
+ char *restrict buf, size_t bufsize)
_GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (readlink, ssize_t,
- (const char *file, char *buf, size_t bufsize));
+ (const char *restrict file,
+ char *restrict buf, size_t bufsize));
# else
# if !@HAVE_READLINK@
_GL_FUNCDECL_SYS (readlink, ssize_t,
- (const char *file, char *buf, size_t bufsize)
+ (const char *restrict file,
+ char *restrict buf, size_t bufsize)
_GL_ARG_NONNULL ((1, 2)));
# endif
_GL_CXXALIAS_SYS (readlink, ssize_t,
- (const char *file, char *buf, size_t bufsize));
+ (const char *restrict file,
+ char *restrict buf, size_t bufsize));
# endif
_GL_CXXALIASWARN (readlink);
#elif defined GNULIB_POSIXCHECK
# define readlinkat rpl_readlinkat
# endif
_GL_FUNCDECL_RPL (readlinkat, ssize_t,
- (int fd, char const *file, char *buf, size_t len)
+ (int fd, char const *restrict file,
+ char *restrict buf, size_t len)
_GL_ARG_NONNULL ((2, 3)));
_GL_CXXALIAS_RPL (readlinkat, ssize_t,
- (int fd, char const *file, char *buf, size_t len));
+ (int fd, char const *restrict file,
+ char *restrict buf, size_t len));
# else
# if !@HAVE_READLINKAT@
_GL_FUNCDECL_SYS (readlinkat, ssize_t,
- (int fd, char const *file, char *buf, size_t len)
+ (int fd, char const *restrict file,
+ char *restrict buf, size_t len)
_GL_ARG_NONNULL ((2, 3)));
# endif
_GL_CXXALIAS_SYS (readlinkat, ssize_t,
- (int fd, char const *file, char *buf, size_t len));
+ (int fd, char const *restrict file,
+ char *restrict buf, size_t len));
# endif
_GL_CXXALIASWARN (readlinkat);
#elif defined GNULIB_POSIXCHECK
# endif
_GL_FUNCDECL_RPL (rmdir, int, (char const *name) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (rmdir, int, (char const *name));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef rmdir
+# define rmdir _rmdir
+# endif
+_GL_CXXALIAS_MDA (rmdir, int, (char const *name));
# else
_GL_CXXALIAS_SYS (rmdir, int, (char const *name));
# endif
_GL_WARN_ON_USE (rmdir, "rmdir is unportable - "
"use gnulib module rmdir for portability");
# endif
+#elif @GNULIB_MDA_RMDIR@
+/* On native Windows, map 'rmdir' to '_rmdir', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::rmdir always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef rmdir
+# define rmdir _rmdir
+# endif
+_GL_CXXALIAS_MDA (rmdir, int, (char const *name));
+# else
+_GL_CXXALIAS_SYS (rmdir, int, (char const *name));
+# endif
+_GL_CXXALIASWARN (rmdir);
#endif
/* Pause the execution of the current thread for N seconds.
Returns the number of seconds left to sleep.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */
# if @REPLACE_SLEEP@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef sleep
#endif
+#if @GNULIB_MDA_SWAB@
+/* On native Windows, map 'swab' to '_swab', 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 swab
+# define swab _swab
+# endif
+_GL_CXXALIAS_MDA (swab, void, (char *from, char *to, int n));
+# else
+_GL_CXXALIAS_SYS (swab, void, (const void *from, void *to, ssize_t n));
+# endif
+_GL_CXXALIASWARN (swab);
+#endif
+
+
#if @GNULIB_SYMLINK@
# if @REPLACE_SYMLINK@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#endif
+#if @GNULIB_TRUNCATE@
+/* Change the size of the file designated by FILENAME to become equal to LENGTH.
+ Return 0 if successful, otherwise -1 and errno set.
+ See the POSIX:2008 specification
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/truncate.html>. */
+# if @REPLACE_TRUNCATE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef truncate
+# define truncate rpl_truncate
+# endif
+_GL_FUNCDECL_RPL (truncate, int, (const char *filename, off_t length)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (truncate, int, (const char *filename, off_t length));
+# else
+# if !@HAVE_DECL_TRUNCATE@
+_GL_FUNCDECL_SYS (truncate, int, (const char *filename, off_t length)
+ _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (truncate, int, (const char *filename, off_t length));
+# endif
+_GL_CXXALIASWARN (truncate);
+#elif defined GNULIB_POSIXCHECK
+# undef truncate
+# if HAVE_RAW_DECL_TRUNCATE
+_GL_WARN_ON_USE (truncate, "truncate is unportable - "
+ "use gnulib module truncate for portability");
+# endif
+#endif
+
+
#if @GNULIB_TTYNAME_R@
/* Store at most BUFLEN characters of the pathname of the terminal FD is
open on in BUF. Return 0 on success, otherwise an error number. */
# endif
_GL_FUNCDECL_RPL (unlink, int, (char const *file) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (unlink, int, (char const *file));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef unlink
+# define unlink _unlink
+# endif
+_GL_CXXALIAS_MDA (unlink, int, (char const *file));
# else
_GL_CXXALIAS_SYS (unlink, int, (char const *file));
# endif
_GL_WARN_ON_USE (unlink, "unlink is not portable - "
"use gnulib module unlink for portability");
# endif
+#elif @GNULIB_MDA_UNLINK@
+/* On native Windows, map 'unlink' to '_unlink', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::unlink always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef unlink
+# define unlink _unlink
+# endif
+_GL_CXXALIAS_MDA (unlink, int, (char const *file));
+# else
+_GL_CXXALIAS_SYS (unlink, int, (char const *file));
+# endif
+_GL_CXXALIASWARN (unlink);
#endif
# undef unlinkat
# if HAVE_RAW_DECL_UNLINKAT
_GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - "
- "use gnulib module openat for portability");
+ "use gnulib module unlinkat for portability");
# endif
#endif
/* Pause the execution of the current thread for N microseconds.
Returns 0 on completion, or -1 on range error.
See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/usleep.html>. */
+ <https://pubs.opengroup.org/onlinepubs/009695399/functions/usleep.html>. */
# if @REPLACE_USLEEP@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef usleep
# if !@HAVE_USLEEP@
_GL_FUNCDECL_SYS (usleep, int, (useconds_t n));
# endif
-_GL_CXXALIAS_SYS (usleep, int, (useconds_t n));
+/* Need to cast, because on Haiku, the first parameter is
+ unsigned int n. */
+_GL_CXXALIAS_SYS_CAST (usleep, int, (useconds_t n));
# endif
_GL_CXXALIASWARN (usleep);
#elif defined GNULIB_POSIXCHECK
#if @GNULIB_WRITE@
/* Write up to COUNT bytes starting at BUF to file descriptor FD.
See the POSIX:2008 specification
- <http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */
+ <https://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */
# if @REPLACE_WRITE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef write
_GL_FUNCDECL_RPL (write, ssize_t, (int fd, const void *buf, size_t count)
_GL_ARG_NONNULL ((2)));
_GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count));
+# elif defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef write
+# define write _write
+# endif
+_GL_CXXALIAS_MDA (write, ssize_t, (int fd, const void *buf, size_t count));
+# else
+_GL_CXXALIAS_SYS (write, ssize_t, (int fd, const void *buf, size_t count));
+# endif
+_GL_CXXALIASWARN (write);
+#elif @GNULIB_MDA_WRITE@
+/* On native Windows, map 'write' to '_write', so that -loldnames is not
+ required. In C++ with GNULIB_NAMESPACE, avoid differences between
+ platforms by defining GNULIB_NAMESPACE::write always. */
+# if defined _WIN32 && !defined __CYGWIN__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef write
+# define write _write
+# endif
+# ifdef __MINGW32__
+_GL_CXXALIAS_MDA (write, int, (int fd, const void *buf, unsigned int count));
+# else
+_GL_CXXALIAS_MDA (write, ssize_t, (int fd, const void *buf, unsigned int count));
+# endif
# else
-/* Need to cast, because on mingw, the third parameter is
- unsigned int count
- and the return type is 'int'. */
-_GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count));
+_GL_CXXALIAS_SYS (write, ssize_t, (int fd, const void *buf, size_t count));
# endif
_GL_CXXALIASWARN (write);
#endif
projects / platform / upstream / m4.git / blobdiff