/* Substitute for and wrapper around <unistd.h>.
- Copyright (C) 2003-2011 Free Software Foundation, Inc.
+ Copyright (C) 2003-2013 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, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _@GUARD_PREFIX@_UNISTD_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
-/* Special invocation convention:
- - On mingw, several headers, including <winsock2.h>, include <unistd.h>,
- but we need to ensure that both the system <unistd.h> and <winsock2.h>
- are completely included before we replace gethostname. */
-#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \
- && !defined _GL_WINSOCK2_H_WITNESS && defined _WINSOCK2_H
-/* <unistd.h> is being indirectly included for the first time from
- <winsock2.h>; avoid declaring any overrides. */
-# if @HAVE_UNISTD_H@
-# @INCLUDE_NEXT@ @NEXT_UNISTD_H@
-# else
-# error unexpected; report this to bug-gnulib@gnu.org
-# endif
-# define _GL_WINSOCK2_H_WITNESS
-
-/* Normal invocation. */
-#elif !defined _@GUARD_PREFIX@_UNISTD_H
-
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_UNISTD_H@
# @INCLUDE_NEXT@ @NEXT_UNISTD_H@
/* mingw, MSVC, BeOS, Haiku declare environ in <stdlib.h>, not in
<unistd.h>. */
/* Solaris declares getcwd not only in <unistd.h> but also in <stdlib.h>. */
+/* OSF Tru64 Unix cannot see gnulib rpl_strtod when system <stdlib.h> is
+ included here. */
/* But avoid namespace pollution on glibc systems. */
-#ifndef __GLIBC__
+#if !defined __GLIBC__ && !defined __osf__
+# define __need_system_stdlib_h
# include <stdlib.h>
+# undef __need_system_stdlib_h
#endif
/* Native Windows platforms declare chdir, getcwd, rmdir in
- <io.h> and/or <direct.h>, not in <unistd.h>. */
+ <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__)
+# include <io.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>. */
-#if !@HAVE_UNISTD_H@
+/* 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>
#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>
#endif
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GL_UNISTD_INLINE
+# 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. */
# endif
#elif defined GNULIB_POSIXCHECK
# if HAVE_RAW_DECL_ENVIRON
-static inline char ***
+_GL_UNISTD_INLINE char ***
rpl_environ (void)
{
return &environ;
Return 0 if successful, otherwise -1 and errno set.
See the POSIX:2008 specification
<http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */
-# if !@HAVE_FTRUNCATE@
+# if @REPLACE_FTRUNCATE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef ftruncate
+# define ftruncate rpl_ftruncate
+# endif
+_GL_FUNCDECL_RPL (ftruncate, int, (int fd, off_t length));
+_GL_CXXALIAS_RPL (ftruncate, int, (int fd, off_t length));
+# else
+# if !@HAVE_FTRUNCATE@
_GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length));
-# endif
+# endif
_GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length));
+# endif
_GL_CXXALIASWARN (ftruncate);
#elif defined GNULIB_POSIXCHECK
# undef ftruncate
#if @GNULIB_GETDTABLESIZE@
/* Return the maximum number of file descriptors in the current process.
In POSIX, this is same as sysconf (_SC_OPEN_MAX). */
-# if !@HAVE_GETDTABLESIZE@
+# if @REPLACE_GETDTABLESIZE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getdtablesize
+# define getdtablesize rpl_getdtablesize
+# endif
+_GL_FUNCDECL_RPL (getdtablesize, int, (void));
+_GL_CXXALIAS_RPL (getdtablesize, int, (void));
+# else
+# if !@HAVE_GETDTABLESIZE@
_GL_FUNCDECL_SYS (getdtablesize, int, (void));
-# endif
+# endif
_GL_CXXALIAS_SYS (getdtablesize, int, (void));
+# endif
_GL_CXXALIASWARN (getdtablesize);
#elif defined GNULIB_POSIXCHECK
# undef getdtablesize
# define getpagesize() _gl_getpagesize ()
# else
# if !GNULIB_defined_getpagesize_function
-static inline int
+_GL_UNISTD_INLINE int
getpagesize ()
{
return _gl_getpagesize ();
#endif
+#if @GNULIB_ISATTY@
+# if @REPLACE_ISATTY@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef isatty
+# define isatty rpl_isatty
+# endif
+_GL_FUNCDECL_RPL (isatty, int, (int fd));
+_GL_CXXALIAS_RPL (isatty, int, (int fd));
+# else
+_GL_CXXALIAS_SYS (isatty, int, (int fd));
+# endif
+_GL_CXXALIASWARN (isatty);
+#elif defined GNULIB_POSIXCHECK
+# undef isatty
+# if HAVE_RAW_DECL_ISATTY
+_GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - "
+ "use gnulib module isatty for portability");
+# endif
+#endif
+
+
#if @GNULIB_LCHOWN@
/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
to GID (if GID is not -1). Do not follow symbolic links.
#endif
+#if @GNULIB_SETHOSTNAME@
+/* Set the host name of the machine.
+ The host name may or may not be fully qualified.
+
+ Put LEN bytes of NAME into the host name.
+ Return 0 if successful, otherwise, set errno and return -1.
+
+ Platforms with no ability to set the hostname return -1 and set
+ errno = ENOSYS. */
+# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@
+_GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len)
+ _GL_ARG_NONNULL ((1)));
+# endif
+/* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5
+ and FreeBSD 6.4 the second parameter is int. On Solaris 11
+ 2011-10, the first parameter is not const. */
+_GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len));
+_GL_CXXALIASWARN (sethostname);
+#elif defined GNULIB_POSIXCHECK
+# undef sethostname
+# if HAVE_RAW_DECL_SETHOSTNAME
+_GL_WARN_ON_USE (sethostname, "sethostname is unportable - "
+ "use gnulib module sethostname for portability");
+# endif
+#endif
+
+
#if @GNULIB_SLEEP@
/* Pause the execution of the current thread for N seconds.
Returns the number of seconds left to sleep.
/* 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>. */
-# if @REPLACE_WRITE@ && (@GNULIB_UNISTD_H_NONBLOCKING@ || @GNULIB_UNISTD_H_SIGPIPE@)
+# if @REPLACE_WRITE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef write
# define write rpl_write
_GL_CXXALIASWARN (write);
#endif
+_GL_INLINE_HEADER_END
#endif /* _@GUARD_PREFIX@_UNISTD_H */
#endif /* _@GUARD_PREFIX@_UNISTD_H */
projects / gnulib.git / blobdiff