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-rw-r--r--lib/unistd.in.h604
1 files changed, 449 insertions, 155 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index fa82bbf2..c0bc8c7f 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -1,5 +1,5 @@
/* Substitute for and wrapper around <unistd.h>.
- Copyright (C) 2003-2010 Free Software Foundation, Inc.
+ Copyright (C) 2003-2015 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
@@ -12,34 +12,32 @@
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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@
+#ifdef _GL_INCLUDING_UNISTD_H
/* 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
+ - On Mac OS X 10.3.9 we have a sequence of nested includes
+ <unistd.h> -> <signal.h> -> <pthread.h> -> <unistd.h>
+ In this situation, the functions are not yet declared, therefore we cannot
+ provide the C++ aliases. */
+
+#@INCLUDE_NEXT@ @NEXT_UNISTD_H@
-/* Normal invocation. */
-#elif !defined _GL_UNISTD_H
+#else
+/* Normal invocation convention. */
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_UNISTD_H@
+# define _GL_INCLUDING_UNISTD_H
# @INCLUDE_NEXT@ @NEXT_UNISTD_H@
+# undef _GL_INCLUDING_UNISTD_H
#endif
/* Get all possible declarations of gethostname(). */
@@ -50,8 +48,8 @@
# undef _GL_INCLUDING_WINSOCK2_H
#endif
-#if !defined _GL_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H
-#define _GL_UNISTD_H
+#if !defined _@GUARD_PREFIX@_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H
+#define _@GUARD_PREFIX@_UNISTD_H
/* NetBSD 5.0 mis-defines NULL. Also get size_t. */
#include <stddef.h>
@@ -60,33 +58,67 @@
/* Cygwin 1.7.1 declares symlinkat in <stdio.h>, not in <unistd.h>. */
/* But avoid namespace pollution on glibc systems. */
#if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \
- || (@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK)) \
+ || ((@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>. */
/* But avoid namespace pollution on glibc systems. */
-#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__
+#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && defined __CYGWIN__ \
+ && ! defined __GLIBC__
# include <fcntl.h>
#endif
/* mingw fails to declare _exit in <unistd.h>. */
-/* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <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
-/* mingw declares getcwd in <io.h>, not in <unistd.h>. */
-#if ((@GNULIB_GETCWD@ || defined GNULIB_POSIXCHECK) \
+/* 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__)
# include <io.h>
#endif
-#if (@GNULIB_WRITE@ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
- || @GNULIB_PREAD@ || defined GNULIB_POSIXCHECK)
+/* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>.
+ NonStop Kernel declares gethostname in <netdb.h>, not in <unistd.h>. */
+/* But avoid namespace pollution on glibc systems. */
+#if ((@GNULIB_GETDOMAINNAME@ && (defined _AIX || defined __osf__)) \
+ || (@GNULIB_GETHOSTNAME@ && defined __TANDEM)) \
+ && !defined __GLIBC__
+# 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>
+#endif
+
+#if (@GNULIB_READ@ || @GNULIB_WRITE@ \
+ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
+ || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK)
/* Get ssize_t. */
# include <sys/types.h>
#endif
@@ -94,9 +126,18 @@
/* 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. */
@@ -104,78 +145,77 @@
/* The definition of _GL_WARN_ON_USE is copied here. */
-#if @GNULIB_GETHOSTNAME@
-/* Get all possible declarations of gethostname(). */
-# if @UNISTD_H_HAVE_WINSOCK2_H@
-# if !defined _GL_SYS_SOCKET_H
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-# undef socket
-# define socket socket_used_without_including_sys_socket_h
-# undef connect
-# define connect connect_used_without_including_sys_socket_h
-# undef accept
-# define accept accept_used_without_including_sys_socket_h
-# undef bind
-# define bind bind_used_without_including_sys_socket_h
-# undef getpeername
-# define getpeername getpeername_used_without_including_sys_socket_h
-# undef getsockname
-# define getsockname getsockname_used_without_including_sys_socket_h
-# undef getsockopt
-# define getsockopt getsockopt_used_without_including_sys_socket_h
-# undef listen
-# define listen listen_used_without_including_sys_socket_h
-# undef recv
-# define recv recv_used_without_including_sys_socket_h
-# undef send
-# define send send_used_without_including_sys_socket_h
-# undef recvfrom
-# define recvfrom recvfrom_used_without_including_sys_socket_h
-# undef sendto
-# define sendto sendto_used_without_including_sys_socket_h
-# undef setsockopt
-# define setsockopt setsockopt_used_without_including_sys_socket_h
-# undef shutdown
-# define shutdown shutdown_used_without_including_sys_socket_h
-# else
- _GL_WARN_ON_USE (socket,
- "socket() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (connect,
- "connect() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (accept,
- "accept() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (bind,
- "bind() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (getpeername,
- "getpeername() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (getsockname,
- "getsockname() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (getsockopt,
- "getsockopt() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (listen,
- "listen() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (recv,
- "recv() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (send,
- "send() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (recvfrom,
- "recvfrom() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (sendto,
- "sendto() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (setsockopt,
- "setsockopt() used without including <sys/socket.h>");
- _GL_WARN_ON_USE (shutdown,
- "shutdown() used without including <sys/socket.h>");
-# endif
+/* Hide some function declarations from <winsock2.h>. */
+
+#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@
+# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef socket
+# define socket socket_used_without_including_sys_socket_h
+# undef connect
+# define connect connect_used_without_including_sys_socket_h
+# undef accept
+# define accept accept_used_without_including_sys_socket_h
+# undef bind
+# define bind bind_used_without_including_sys_socket_h
+# undef getpeername
+# define getpeername getpeername_used_without_including_sys_socket_h
+# undef getsockname
+# define getsockname getsockname_used_without_including_sys_socket_h
+# undef getsockopt
+# define getsockopt getsockopt_used_without_including_sys_socket_h
+# undef listen
+# define listen listen_used_without_including_sys_socket_h
+# undef recv
+# define recv recv_used_without_including_sys_socket_h
+# undef send
+# define send send_used_without_including_sys_socket_h
+# undef recvfrom
+# define recvfrom recvfrom_used_without_including_sys_socket_h
+# undef sendto
+# define sendto sendto_used_without_including_sys_socket_h
+# undef setsockopt
+# define setsockopt setsockopt_used_without_including_sys_socket_h
+# undef shutdown
+# define shutdown shutdown_used_without_including_sys_socket_h
+# else
+ _GL_WARN_ON_USE (socket,
+ "socket() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (connect,
+ "connect() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (accept,
+ "accept() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (bind,
+ "bind() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getpeername,
+ "getpeername() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getsockname,
+ "getsockname() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getsockopt,
+ "getsockopt() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (listen,
+ "listen() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (recv,
+ "recv() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (send,
+ "send() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (recvfrom,
+ "recvfrom() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (sendto,
+ "sendto() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (setsockopt,
+ "setsockopt() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (shutdown,
+ "shutdown() used without including <sys/socket.h>");
# endif
-# if !defined _GL_SYS_SELECT_H
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-# undef select
-# define select select_used_without_including_sys_select_h
-# else
- _GL_WARN_ON_USE (select,
- "select() used without including <sys/select.h>");
-# endif
+# endif
+# if !defined _@GUARD_PREFIX@_SYS_SELECT_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef select
+# define select select_used_without_including_sys_select_h
+# else
+ _GL_WARN_ON_USE (select,
+ "select() used without including <sys/select.h>");
# endif
# endif
#endif
@@ -211,12 +251,24 @@ _GL_WARN_ON_USE (access, "the access function is a security risk - "
#endif
+#if @GNULIB_CHDIR@
+_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
+_GL_CXXALIASWARN (chdir);
+#elif defined GNULIB_POSIXCHECK
+# undef chdir
+# if HAVE_RAW_DECL_CHDIR
+_GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - "
+ "use gnulib module chdir for portability");
+# endif
+#endif
+
+
#if @GNULIB_CHOWN@
/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
to GID (if GID is not -1). Follow symbolic links.
Return 0 if successful, otherwise -1 and errno set.
- See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/chown.html>. */
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */
# if @REPLACE_CHOWN@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef chown
@@ -267,24 +319,32 @@ _GL_WARN_ON_USE (close, "close does not portably work on sockets - "
#endif
-#if @REPLACE_DUP@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-# define dup rpl_dup
-# endif
+#if @GNULIB_DUP@
+# if @REPLACE_DUP@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define dup rpl_dup
+# endif
_GL_FUNCDECL_RPL (dup, int, (int oldfd));
_GL_CXXALIAS_RPL (dup, int, (int oldfd));
-#else
+# else
_GL_CXXALIAS_SYS (dup, int, (int oldfd));
-#endif
+# endif
_GL_CXXALIASWARN (dup);
+#elif defined GNULIB_POSIXCHECK
+# undef dup
+# if HAVE_RAW_DECL_DUP
+_GL_WARN_ON_USE (dup, "dup is unportable - "
+ "use gnulib module dup for portability");
+# endif
+#endif
#if @GNULIB_DUP2@
/* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if
NEWFD = OLDFD, otherwise close NEWFD first if it is open.
Return newfd if successful, otherwise -1 and errno set.
- See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/dup2.html>. */
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */
# if @REPLACE_DUP2@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define dup2 rpl_dup2
@@ -341,6 +401,12 @@ _GL_WARN_ON_USE (dup3, "dup3 is unportable - "
/* Set of environment variables and values. An array of strings of the form
"VARIABLE=VALUE", terminated with a NULL. */
# if defined __APPLE__ && defined __MACH__
+# include <TargetConditionals.h>
+# if !TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
+# define _GL_USE_CRT_EXTERNS
+# endif
+# endif
+# ifdef _GL_USE_CRT_EXTERNS
# include <crt_externs.h>
# define environ (*_NSGetEnviron ())
# else
@@ -355,7 +421,7 @@ extern char **environ;
# endif
#elif defined GNULIB_POSIXCHECK
# if HAVE_RAW_DECL_ENVIRON
-static inline char ***
+_GL_UNISTD_INLINE char ***
rpl_environ (void)
{
return &environ;
@@ -413,8 +479,8 @@ _GL_WARN_ON_USE (faccessat, "faccessat is not portable - "
/* Change the process' current working directory to the directory on which
the given file descriptor is open.
Return 0 if successful, otherwise -1 and errno set.
- See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/fchdir.html>. */
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */
# if ! @HAVE_FCHDIR@
_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
@@ -425,6 +491,10 @@ _GL_EXTERN_C void _gl_unregister_fd (int fd);
_GL_EXTERN_C int _gl_register_dup (int oldfd, int newfd);
_GL_EXTERN_C const char *_gl_directory_name (int fd);
+# else
+# if !@HAVE_DECL_FCHDIR@
+_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
+# endif
# endif
_GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/));
_GL_CXXALIASWARN (fchdir);
@@ -467,11 +537,30 @@ _GL_WARN_ON_USE (fchownat, "fchownat is not portable - "
#endif
-#if @GNULIB_FSYNC@
+#if @GNULIB_FDATASYNC@
/* Synchronize changes to a file.
Return 0 if successful, otherwise -1 and errno set.
- See POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/fsync.html>. */
+ See POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */
+# if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@
+_GL_FUNCDECL_SYS (fdatasync, int, (int fd));
+# endif
+_GL_CXXALIAS_SYS (fdatasync, int, (int fd));
+_GL_CXXALIASWARN (fdatasync);
+#elif defined GNULIB_POSIXCHECK
+# undef fdatasync
+# if HAVE_RAW_DECL_FDATASYNC
+_GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - "
+ "use gnulib module fdatasync for portability");
+# endif
+#endif
+
+
+#if @GNULIB_FSYNC@
+/* 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>. */
# if !@HAVE_FSYNC@
_GL_FUNCDECL_SYS (fsync, int, (int fd));
# endif
@@ -489,12 +578,21 @@ _GL_WARN_ON_USE (fsync, "fsync is unportable - "
#if @GNULIB_FTRUNCATE@
/* 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:2001 specification
- <http://www.opengroup.org/susv3xsh/ftruncate.html>. */
-# if !@HAVE_FTRUNCATE@
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */
+# 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
@@ -510,8 +608,8 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - "
of BUF.
Return BUF if successful, or NULL if the directory couldn't be determined
or SIZE was too small.
- See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/getcwd.html>.
+ See the POSIX:2008 specification
+ <http://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
@@ -548,13 +646,21 @@ _GL_WARN_ON_USE (getcwd, "getcwd is unportable - "
Null terminate it if the name is shorter than LEN.
If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.
Return 0 if successful, otherwise set errno and return -1. */
-# if !@HAVE_GETDOMAINNAME@
+# if @REPLACE_GETDOMAINNAME@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getdomainname
+# define getdomainname rpl_getdomainname
+# endif
+_GL_FUNCDECL_RPL (getdomainname, int, (char *name, size_t len)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (getdomainname, int, (char *name, size_t len));
+# else
+# if !@HAVE_DECL_GETDOMAINNAME@
_GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len)
_GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (getdomainname, int, (char *name, size_t len));
# endif
-/* Need to cast, because on MacOS X 10.5 systems, the second parameter is
- int len. */
-_GL_CXXALIAS_SYS_CAST (getdomainname, int, (char *name, size_t len));
_GL_CXXALIASWARN (getdomainname);
#elif defined GNULIB_POSIXCHECK
# undef getdomainname
@@ -568,10 +674,19 @@ _GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - "
#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
@@ -632,7 +747,8 @@ _GL_CXXALIAS_RPL (gethostname, int, (char *name, size_t len));
_GL_FUNCDECL_SYS (gethostname, int, (char *name, size_t len)
_GL_ARG_NONNULL ((1)));
# endif
-/* Need to cast, because on Solaris 10 systems, the second parameter is
+/* Need to cast, because on Solaris 10 and OSF/1 5.1 systems, the second
+ parameter is
int len. */
_GL_CXXALIAS_SYS_CAST (gethostname, int, (char *name, size_t len));
# endif
@@ -689,13 +805,22 @@ _GL_WARN_ON_USE (getlogin, "getlogin is unportable - "
${LOGNAME-$USER} on Unix platforms,
$USERNAME on native Windows platforms.
*/
-# if !@HAVE_DECL_GETLOGIN_R@
+# if @REPLACE_GETLOGIN_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define getlogin_r rpl_getlogin_r
+# endif
+_GL_FUNCDECL_RPL (getlogin_r, int, (char *name, size_t size)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (getlogin_r, int, (char *name, size_t size));
+# else
+# if !@HAVE_DECL_GETLOGIN_R@
_GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size)
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
/* Need to cast, because on Solaris 10 systems, the second argument is
int size. */
_GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size));
+# endif
_GL_CXXALIASWARN (getlogin_r);
#elif defined GNULIB_POSIXCHECK
# undef getlogin_r
@@ -762,11 +887,14 @@ _GL_CXXALIAS_RPL (getpagesize, int, (void));
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define getpagesize() _gl_getpagesize ()
# else
-static inline int
+# if !GNULIB_defined_getpagesize_function
+_GL_UNISTD_INLINE int
getpagesize ()
{
return _gl_getpagesize ();
}
+# define GNULIB_defined_getpagesize_function 1
+# endif
# endif
# endif
# endif
@@ -833,12 +961,49 @@ _GL_WARN_ON_USE (endusershell, "endusershell is unportable - "
#endif
+#if @GNULIB_GROUP_MEMBER@
+/* Determine whether group id is in calling user's group list. */
+# if !@HAVE_GROUP_MEMBER@
+_GL_FUNCDECL_SYS (group_member, int, (gid_t gid));
+# endif
+_GL_CXXALIAS_SYS (group_member, int, (gid_t gid));
+_GL_CXXALIASWARN (group_member);
+#elif defined GNULIB_POSIXCHECK
+# undef group_member
+# if HAVE_RAW_DECL_GROUP_MEMBER
+_GL_WARN_ON_USE (group_member, "group_member is unportable - "
+ "use gnulib module group-member for portability");
+# endif
+#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.
Return 0 if successful, otherwise -1 and errno set.
- See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/lchown.html>. */
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */
# if @REPLACE_LCHOWN@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef lchown
@@ -867,8 +1032,8 @@ _GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - "
#if @GNULIB_LINK@
/* Create a new hard link for an existing file.
Return 0 if successful, otherwise -1 and errno set.
- See POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/link.html>. */
+ See POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */
# if @REPLACE_LINK@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define link rpl_link
@@ -933,8 +1098,8 @@ _GL_WARN_ON_USE (linkat, "linkat is unportable - "
#if @GNULIB_LSEEK@
/* 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:2001 specification
- <http://www.opengroup.org/susv3xsh/lseek.html>. */
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */
# if @REPLACE_LSEEK@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define lseek rpl_lseek
@@ -954,6 +1119,24 @@ _GL_WARN_ON_USE (lseek, "lseek does not fail with ESPIPE on pipes on some "
#endif
+#if @GNULIB_PIPE@
+/* Create a pipe, defaulting to O_BINARY mode.
+ 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. */
+# if !@HAVE_PIPE@
+_GL_FUNCDECL_SYS (pipe, int, (int fd[2]) _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (pipe, int, (int fd[2]));
+_GL_CXXALIASWARN (pipe);
+#elif defined GNULIB_POSIXCHECK
+# undef pipe
+# if HAVE_RAW_DECL_PIPE
+_GL_WARN_ON_USE (pipe, "pipe is unportable - "
+ "use gnulib module pipe-posix for portability");
+# endif
+#endif
+
+
#if @GNULIB_PIPE2@
/* Create a pipe, applying the given flags when opening the read-end of the
pipe and the write-end of the pipe.
@@ -986,10 +1169,12 @@ _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - "
#if @GNULIB_PREAD@
/* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET.
Return the number of bytes placed into BUF if successful, otherwise
- set errno and return -1. 0 indicates EOF. See the POSIX:2001
- specification <http://www.opengroup.org/susv3xsh/pread.html>. */
+ set errno and return -1. 0 indicates EOF.
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */
# if @REPLACE_PREAD@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef pread
# define pread rpl_pread
# endif
_GL_FUNCDECL_RPL (pread, ssize_t,
@@ -1016,12 +1201,69 @@ _GL_WARN_ON_USE (pread, "pread is unportable - "
#endif
+#if @GNULIB_PWRITE@
+/* Write at most BUFSIZE bytes from BUF into FD, starting at OFFSET.
+ 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>. */
+# if @REPLACE_PWRITE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef pwrite
+# define pwrite rpl_pwrite
+# endif
+_GL_FUNCDECL_RPL (pwrite, ssize_t,
+ (int fd, const void *buf, size_t bufsize, off_t offset)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (pwrite, ssize_t,
+ (int fd, const void *buf, size_t bufsize, off_t offset));
+# else
+# if !@HAVE_PWRITE@
+_GL_FUNCDECL_SYS (pwrite, ssize_t,
+ (int fd, const void *buf, size_t bufsize, off_t offset)
+ _GL_ARG_NONNULL ((2)));
+# endif
+_GL_CXXALIAS_SYS (pwrite, ssize_t,
+ (int fd, const void *buf, size_t bufsize, off_t offset));
+# endif
+_GL_CXXALIASWARN (pwrite);
+#elif defined GNULIB_POSIXCHECK
+# undef pwrite
+# if HAVE_RAW_DECL_PWRITE
+_GL_WARN_ON_USE (pwrite, "pwrite is unportable - "
+ "use gnulib module pwrite for portability");
+# endif
+#endif
+
+
+#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>. */
+# if @REPLACE_READ@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef read
+# define read rpl_read
+# endif
+_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));
+# 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));
+# endif
+_GL_CXXALIASWARN (read);
+#endif
+
+
#if @GNULIB_READLINK@
/* Read the contents of the symbolic link FILE and place the first BUFSIZE
bytes of it into BUF. Return the number of bytes placed into BUF if
successful, otherwise -1 and errno set.
- See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/readlink.html>. */
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */
# if @REPLACE_READLINK@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define readlink rpl_readlink
@@ -1051,19 +1293,30 @@ _GL_WARN_ON_USE (readlink, "readlink is unportable - "
#if @GNULIB_READLINKAT@
-# if !@HAVE_READLINKAT@
+# if @REPLACE_READLINKAT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define readlinkat rpl_readlinkat
+# endif
+_GL_FUNCDECL_RPL (readlinkat, ssize_t,
+ (int fd, char const *file, char *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));
+# else
+# if !@HAVE_READLINKAT@
_GL_FUNCDECL_SYS (readlinkat, ssize_t,
(int fd, char const *file, char *buf, size_t len)
_GL_ARG_NONNULL ((2, 3)));
-# endif
+# endif
_GL_CXXALIAS_SYS (readlinkat, ssize_t,
(int fd, char const *file, char *buf, size_t len));
+# endif
_GL_CXXALIASWARN (readlinkat);
#elif defined GNULIB_POSIXCHECK
# undef readlinkat
# if HAVE_RAW_DECL_READLINKAT
_GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - "
- "use gnulib module symlinkat for portability");
+ "use gnulib module readlinkat for portability");
# endif
#endif
@@ -1089,11 +1342,38 @@ _GL_WARN_ON_USE (rmdir, "rmdir is unportable - "
#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.
- See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/sleep.html>. */
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */
# if @REPLACE_SLEEP@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef sleep
@@ -1144,13 +1424,25 @@ _GL_WARN_ON_USE (symlink, "symlink is not portable - "
#if @GNULIB_SYMLINKAT@
-# if !@HAVE_SYMLINKAT@
+# if @REPLACE_SYMLINKAT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef symlinkat
+# define symlinkat rpl_symlinkat
+# endif
+_GL_FUNCDECL_RPL (symlinkat, int,
+ (char const *contents, int fd, char const *file)
+ _GL_ARG_NONNULL ((1, 3)));
+_GL_CXXALIAS_RPL (symlinkat, int,
+ (char const *contents, int fd, char const *file));
+# else
+# if !@HAVE_SYMLINKAT@
_GL_FUNCDECL_SYS (symlinkat, int,
(char const *contents, int fd, char const *file)
_GL_ARG_NONNULL ((1, 3)));
-# endif
+# endif
_GL_CXXALIAS_SYS (symlinkat, int,
(char const *contents, int fd, char const *file));
+# endif
_GL_CXXALIASWARN (symlinkat);
#elif defined GNULIB_POSIXCHECK
# undef symlinkat
@@ -1174,7 +1466,7 @@ _GL_FUNCDECL_RPL (ttyname_r, int,
_GL_CXXALIAS_RPL (ttyname_r, int,
(int fd, char *buf, size_t buflen));
# else
-# if !@HAVE_TTYNAME_R@
+# if !@HAVE_DECL_TTYNAME_R@
_GL_FUNCDECL_SYS (ttyname_r, int,
(int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
# endif
@@ -1242,7 +1534,7 @@ _GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - "
/* 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/sleep.html>. */
+ <http://www.opengroup.org/susv3xsh/usleep.html>. */
# if @REPLACE_USLEEP@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef usleep
@@ -1268,9 +1560,9 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - "
#if @GNULIB_WRITE@
/* Write up to COUNT bytes starting at BUF to file descriptor FD.
- See the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/write.html>. */
-# if @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
+ See the POSIX:2008 specification
+ <http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */
+# if @REPLACE_WRITE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef write
# define write rpl_write
@@ -1287,6 +1579,8 @@ _GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count));
_GL_CXXALIASWARN (write);
#endif
+_GL_INLINE_HEADER_END
-#endif /* _GL_UNISTD_H */
-#endif /* _GL_UNISTD_H */
+#endif /* _@GUARD_PREFIX@_UNISTD_H */
+#endif /* _GL_INCLUDING_UNISTD_H */
+#endif /* _@GUARD_PREFIX@_UNISTD_H */