2330 lines
79 KiB
C
2330 lines
79 KiB
C
/* Substitute for and wrapper around <unistd.h>.
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Copyright (C) 2003-2023 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _@GUARD_PREFIX@_UNISTD_H
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#if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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#endif
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@PRAGMA_COLUMNS@
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#if @HAVE_UNISTD_H@ && defined _GL_INCLUDING_UNISTD_H
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/* Special invocation convention:
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- On Mac OS X 10.3.9 we have a sequence of nested includes
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<unistd.h> -> <signal.h> -> <pthread.h> -> <unistd.h>
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In this situation, the functions are not yet declared, therefore we cannot
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provide the C++ aliases. */
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#@INCLUDE_NEXT@ @NEXT_UNISTD_H@
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#else
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/* Normal invocation convention. */
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/* The include_next requires a split double-inclusion guard. */
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#if @HAVE_UNISTD_H@
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# define _GL_INCLUDING_UNISTD_H
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# @INCLUDE_NEXT@ @NEXT_UNISTD_H@
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# undef _GL_INCLUDING_UNISTD_H
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#endif
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/* Get all possible declarations of gethostname(). */
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#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \
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&& !defined _GL_INCLUDING_WINSOCK2_H
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# define _GL_INCLUDING_WINSOCK2_H
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# include <winsock2.h>
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# undef _GL_INCLUDING_WINSOCK2_H
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#endif
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#if !defined _@GUARD_PREFIX@_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H
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#define _@GUARD_PREFIX@_UNISTD_H
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/* NetBSD 5.0 mis-defines NULL. Also get size_t. */
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/* But avoid namespace pollution on glibc systems. */
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#ifndef __GLIBC__
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# include <stddef.h>
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#endif
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/* mingw doesn't define the SEEK_* or *_FILENO macros in <unistd.h>. */
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/* MSVC declares 'unlink' in <stdio.h>, not in <unistd.h>. We must include
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it before we #define unlink rpl_unlink. */
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/* Cygwin 1.7.1 declares symlinkat in <stdio.h>, not in <unistd.h>. */
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/* But avoid namespace pollution on glibc systems. */
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#if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \
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|| ((@GNULIB_UNLINK@ || defined GNULIB_POSIXCHECK) \
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&& (defined _WIN32 && ! defined __CYGWIN__)) \
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|| ((@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK) \
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&& defined __CYGWIN__)) \
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&& ! defined __GLIBC__
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# include <stdio.h>
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#endif
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/* Cygwin 1.7.1 and Android 4.3 declare unlinkat in <fcntl.h>, not in
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<unistd.h>. */
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/* But avoid namespace pollution on glibc systems. */
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#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) \
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&& (defined __CYGWIN__ || defined __ANDROID__) \
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&& ! defined __GLIBC__
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# include <fcntl.h>
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#endif
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/* mingw fails to declare _exit in <unistd.h>. */
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/* mingw, MSVC, BeOS, Haiku declare environ in <stdlib.h>, not in
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<unistd.h>. */
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/* Solaris declares getcwd not only in <unistd.h> but also in <stdlib.h>. */
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/* OSF Tru64 Unix cannot see gnulib rpl_strtod when system <stdlib.h> is
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included here. */
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/* But avoid namespace pollution on glibc systems. */
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#if !defined __GLIBC__ && !defined __osf__
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# define __need_system_stdlib_h
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# include <stdlib.h>
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# undef __need_system_stdlib_h
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#endif
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/* Native Windows platforms declare _chdir, _getcwd, _rmdir in
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<io.h> and/or <direct.h>, not in <unistd.h>.
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They also declare _access(), _chmod(), _close(), _dup(), _dup2(), _isatty(),
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_lseek(), _read(), _unlink(), _write() in <io.h>. */
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#if defined _WIN32 && !defined __CYGWIN__
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# include <io.h>
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# include <direct.h>
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#endif
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/* Native Windows platforms declare _execl*, _execv* in <process.h>. */
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#if defined _WIN32 && !defined __CYGWIN__
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# include <process.h>
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#endif
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/* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>.
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NonStop Kernel declares gethostname in <netdb.h>, not in <unistd.h>. */
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/* But avoid namespace pollution on glibc systems. */
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#if ((@GNULIB_GETDOMAINNAME@ && (defined _AIX || defined __osf__)) \
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|| (@GNULIB_GETHOSTNAME@ && defined __TANDEM)) \
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&& !defined __GLIBC__
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# include <netdb.h>
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#endif
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/* Mac OS X 10.13, Solaris 11.4, and Android 9.0 declare getentropy in
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<sys/random.h>, not in <unistd.h>. */
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/* But avoid namespace pollution on glibc systems. */
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#if (@GNULIB_GETENTROPY@ || defined GNULIB_POSIXCHECK) \
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&& ((defined __APPLE__ && defined __MACH__) || defined __sun \
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|| defined __ANDROID__) \
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&& @UNISTD_H_HAVE_SYS_RANDOM_H@ \
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&& !defined __GLIBC__
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# include <sys/random.h>
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#endif
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/* Android 4.3 declares fchownat in <sys/stat.h>, not in <unistd.h>. */
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/* But avoid namespace pollution on glibc systems. */
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#if (@GNULIB_FCHOWNAT@ || defined GNULIB_POSIXCHECK) && defined __ANDROID__ \
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&& !defined __GLIBC__
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# include <sys/stat.h>
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#endif
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/* MSVC defines off_t in <sys/types.h>.
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May also define off_t to a 64-bit type on native Windows. */
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/* Get off_t, ssize_t, mode_t. */
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#include <sys/types.h>
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/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
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/* The definition of _GL_ARG_NONNULL is copied here. */
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/* The definition of _GL_WARN_ON_USE is copied here. */
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/* Get getopt(), optarg, optind, opterr, optopt. */
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#if @GNULIB_GETOPT_POSIX@ && @GNULIB_UNISTD_H_GETOPT@ && !defined _GL_SYSTEM_GETOPT
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# include <getopt-cdefs.h>
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# include <getopt-pfx-core.h>
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#endif
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#ifndef _GL_INLINE_HEADER_BEGIN
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#error "Please include config.h first."
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#endif
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_GL_INLINE_HEADER_BEGIN
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#ifndef _GL_UNISTD_INLINE
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# define _GL_UNISTD_INLINE _GL_INLINE
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#endif
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/* Hide some function declarations from <winsock2.h>. */
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#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@
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# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef socket
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# define socket socket_used_without_including_sys_socket_h
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# undef connect
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# define connect connect_used_without_including_sys_socket_h
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# undef accept
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# define accept accept_used_without_including_sys_socket_h
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# undef bind
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# define bind bind_used_without_including_sys_socket_h
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# undef getpeername
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# define getpeername getpeername_used_without_including_sys_socket_h
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# undef getsockname
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# define getsockname getsockname_used_without_including_sys_socket_h
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# undef getsockopt
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# define getsockopt getsockopt_used_without_including_sys_socket_h
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# undef listen
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# define listen listen_used_without_including_sys_socket_h
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# undef recv
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# define recv recv_used_without_including_sys_socket_h
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# undef send
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# define send send_used_without_including_sys_socket_h
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# undef recvfrom
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# define recvfrom recvfrom_used_without_including_sys_socket_h
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# undef sendto
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# define sendto sendto_used_without_including_sys_socket_h
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# undef setsockopt
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# define setsockopt setsockopt_used_without_including_sys_socket_h
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# undef shutdown
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# define shutdown shutdown_used_without_including_sys_socket_h
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# else
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_GL_WARN_ON_USE (socket,
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"socket() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (connect,
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"connect() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (accept,
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"accept() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (bind,
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"bind() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (getpeername,
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"getpeername() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (getsockname,
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"getsockname() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (getsockopt,
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"getsockopt() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (listen,
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"listen() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (recv,
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"recv() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (send,
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"send() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (recvfrom,
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"recvfrom() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (sendto,
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"sendto() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (setsockopt,
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"setsockopt() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (shutdown,
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"shutdown() used without including <sys/socket.h>");
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# endif
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# endif
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# if !defined _@GUARD_PREFIX@_SYS_SELECT_H
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef select
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# define select select_used_without_including_sys_select_h
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# else
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_GL_WARN_ON_USE (select,
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"select() used without including <sys/select.h>");
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# endif
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# endif
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#endif
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/* OS/2 EMX lacks these macros. */
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#ifndef STDIN_FILENO
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# define STDIN_FILENO 0
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#endif
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#ifndef STDOUT_FILENO
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# define STDOUT_FILENO 1
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#endif
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#ifndef STDERR_FILENO
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# define STDERR_FILENO 2
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#endif
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/* Ensure *_OK macros exist. */
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#ifndef F_OK
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# define F_OK 0
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# define X_OK 1
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# define W_OK 2
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# define R_OK 4
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#endif
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/* Declare overridden functions. */
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#if @GNULIB_ACCESS@
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# if @REPLACE_ACCESS@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef access
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# define access rpl_access
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# endif
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_GL_FUNCDECL_RPL (access, int, (const char *file, int mode)
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_GL_ARG_NONNULL ((1)));
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_GL_CXXALIAS_RPL (access, int, (const char *file, int mode));
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# elif defined _WIN32 && !defined __CYGWIN__
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef access
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# define access _access
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# endif
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_GL_CXXALIAS_MDA (access, int, (const char *file, int mode));
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# else
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_GL_CXXALIAS_SYS (access, int, (const char *file, int mode));
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# endif
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_GL_CXXALIASWARN (access);
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#elif defined GNULIB_POSIXCHECK
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# undef access
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# if HAVE_RAW_DECL_ACCESS
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/* The access() function is a security risk. */
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_GL_WARN_ON_USE (access, "access does not always support X_OK - "
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"use gnulib module access for portability; "
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"also, this function is a security risk - "
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"use the gnulib module faccessat instead");
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# endif
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#elif @GNULIB_MDA_ACCESS@
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/* On native Windows, map 'access' to '_access', so that -loldnames is not
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required. In C++ with GNULIB_NAMESPACE, avoid differences between
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platforms by defining GNULIB_NAMESPACE::access always. */
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# if defined _WIN32 && !defined __CYGWIN__
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef access
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# define access _access
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# endif
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_GL_CXXALIAS_MDA (access, int, (const char *file, int mode));
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# else
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_GL_CXXALIAS_SYS (access, int, (const char *file, int mode));
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# endif
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_GL_CXXALIASWARN (access);
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#endif
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#if @GNULIB_CHDIR@
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# if defined _WIN32 && !defined __CYGWIN__
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef chdir
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# define chdir _chdir
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# endif
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_GL_CXXALIAS_MDA (chdir, int, (const char *file));
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# else
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_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
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# endif
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_GL_CXXALIASWARN (chdir);
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#elif defined GNULIB_POSIXCHECK
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# undef chdir
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# if HAVE_RAW_DECL_CHDIR
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_GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - "
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"use gnulib module chdir for portability");
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# endif
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#elif @GNULIB_MDA_CHDIR@
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/* On native Windows, map 'chdir' to '_chdir', so that -loldnames is not
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required. In C++ with GNULIB_NAMESPACE, avoid differences between
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platforms by defining GNULIB_NAMESPACE::chdir always. */
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# if defined _WIN32 && !defined __CYGWIN__
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef chdir
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# define chdir _chdir
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# endif
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_GL_CXXALIAS_MDA (chdir, int, (const char *file));
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# else
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_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
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# endif
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_GL_CXXALIASWARN (chdir);
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#endif
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#if @GNULIB_CHOWN@
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/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
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to GID (if GID is not -1). Follow symbolic links.
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Return 0 if successful, otherwise -1 and errno set.
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See the POSIX:2008 specification
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<https://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */
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# if @REPLACE_CHOWN@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef chown
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# define chown rpl_chown
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# endif
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_GL_FUNCDECL_RPL (chown, int, (const char *file, uid_t uid, gid_t gid)
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_GL_ARG_NONNULL ((1)));
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_GL_CXXALIAS_RPL (chown, int, (const char *file, uid_t uid, gid_t gid));
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# else
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# if !@HAVE_CHOWN@
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_GL_FUNCDECL_SYS (chown, int, (const char *file, uid_t uid, gid_t gid)
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_GL_ARG_NONNULL ((1)));
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# endif
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_GL_CXXALIAS_SYS (chown, int, (const char *file, uid_t uid, gid_t gid));
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# endif
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_GL_CXXALIASWARN (chown);
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#elif defined GNULIB_POSIXCHECK
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# undef chown
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# if HAVE_RAW_DECL_CHOWN
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_GL_WARN_ON_USE (chown, "chown fails to follow symlinks on some systems and "
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"doesn't treat a uid or gid of -1 on some systems - "
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"use gnulib module chown for portability");
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# endif
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#endif
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#if @GNULIB_CLOSE@
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# if @REPLACE_CLOSE@
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/* Automatically included by modules that need a replacement for close. */
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef close
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# define close rpl_close
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# endif
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_GL_FUNCDECL_RPL (close, int, (int fd));
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_GL_CXXALIAS_RPL (close, int, (int fd));
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# elif defined _WIN32 && !defined __CYGWIN__
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef close
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# define close _close
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|
# endif
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_GL_CXXALIAS_MDA (close, int, (int fd));
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# else
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_GL_CXXALIAS_SYS (close, int, (int fd));
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# endif
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_GL_CXXALIASWARN (close);
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#elif @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
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# undef close
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|
# define close close_used_without_requesting_gnulib_module_close
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#elif defined GNULIB_POSIXCHECK
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# undef close
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/* Assume close is always declared. */
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_GL_WARN_ON_USE (close, "close does not portably work on sockets - "
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"use gnulib module close for portability");
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#elif @GNULIB_MDA_CLOSE@
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|
/* On native Windows, map 'close' to '_close', so that -loldnames is not
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required. In C++ with GNULIB_NAMESPACE, avoid differences between
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platforms by defining GNULIB_NAMESPACE::close always. */
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# if defined _WIN32 && !defined __CYGWIN__
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef close
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# define close _close
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# endif
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_GL_CXXALIAS_MDA (close, int, (int fd));
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# else
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_GL_CXXALIAS_SYS (close, int, (int fd));
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# endif
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_GL_CXXALIASWARN (close);
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#endif
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#if @GNULIB_COPY_FILE_RANGE@
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# if @REPLACE_COPY_FILE_RANGE@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef copy_file_range
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# define copy_file_range rpl_copy_file_range
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# endif
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_GL_FUNCDECL_RPL (copy_file_range, ssize_t, (int ifd, off_t *ipos,
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int ofd, off_t *opos,
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size_t len, unsigned flags));
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_GL_CXXALIAS_RPL (copy_file_range, ssize_t, (int ifd, off_t *ipos,
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int ofd, off_t *opos,
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size_t len, unsigned flags));
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# else
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# if !@HAVE_COPY_FILE_RANGE@
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_GL_FUNCDECL_SYS (copy_file_range, ssize_t, (int ifd, off_t *ipos,
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int ofd, off_t *opos,
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size_t len, unsigned flags));
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# endif
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|
_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
|
|
# undef copy_file_range
|
|
# 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
|
|
|
|
|
|
#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));
|
|
# 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_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
|
|
#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
|
|
|
|
|
|
#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:2008 specification
|
|
<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));
|
|
# 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);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef dup2
|
|
# if HAVE_RAW_DECL_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
|
|
|
|
|
|
#if @GNULIB_DUP3@
|
|
/* Copy the file descriptor OLDFD into file descriptor NEWFD, with the
|
|
specified flags.
|
|
The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
|
|
and O_TEXT, O_BINARY (defined in "binary-io.h").
|
|
Close NEWFD first if it is open.
|
|
Return newfd if successful, otherwise -1 and errno set.
|
|
See the Linux man page at
|
|
<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
|
|
# endif
|
|
_GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags));
|
|
_GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags));
|
|
# else
|
|
_GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags));
|
|
_GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags));
|
|
# endif
|
|
_GL_CXXALIASWARN (dup3);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef dup3
|
|
# if HAVE_RAW_DECL_DUP3
|
|
_GL_WARN_ON_USE (dup3, "dup3 is unportable - "
|
|
"use gnulib module dup3 for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#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. */
|
|
# 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
|
|
# ifdef __cplusplus
|
|
extern "C" {
|
|
# endif
|
|
extern char **environ;
|
|
# ifdef __cplusplus
|
|
}
|
|
# endif
|
|
# endif
|
|
# endif
|
|
#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;
|
|
}
|
|
# undef environ
|
|
# define environ (*rpl_environ ())
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_EUIDACCESS@
|
|
/* Like access(), except that it uses the effective user id and group id of
|
|
the current process. */
|
|
# if !@HAVE_EUIDACCESS@
|
|
_GL_FUNCDECL_SYS (euidaccess, int, (const char *filename, int mode)
|
|
_GL_ARG_NONNULL ((1)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (euidaccess, int, (const char *filename, int mode));
|
|
_GL_CXXALIASWARN (euidaccess);
|
|
# if defined GNULIB_POSIXCHECK
|
|
/* Like access(), this function is a security risk. */
|
|
_GL_WARN_ON_USE (euidaccess, "the euidaccess function is a security risk - "
|
|
"use the gnulib module faccessat instead");
|
|
# endif
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef euidaccess
|
|
# if HAVE_RAW_DECL_EUIDACCESS
|
|
_GL_WARN_ON_USE (euidaccess, "euidaccess is unportable - "
|
|
"use gnulib module euidaccess for portability");
|
|
# 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 @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
|
|
_GL_CXXALIAS_SYS (faccessat, int,
|
|
(int fd, char const *file, int mode, int flag));
|
|
# endif
|
|
_GL_CXXALIASWARN (faccessat);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef faccessat
|
|
# if HAVE_RAW_DECL_FACCESSAT
|
|
_GL_WARN_ON_USE (faccessat, "faccessat is not portable - "
|
|
"use gnulib module faccessat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_FCHDIR@
|
|
/* 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:2008 specification
|
|
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */
|
|
# if ! @HAVE_FCHDIR@
|
|
_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
|
|
|
|
/* Gnulib internal hooks needed to maintain the fchdir metadata. */
|
|
_GL_EXTERN_C int _gl_register_fd (int fd, const char *filename)
|
|
_GL_ARG_NONNULL ((2));
|
|
_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);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef fchdir
|
|
# if HAVE_RAW_DECL_FCHDIR
|
|
_GL_WARN_ON_USE (fchdir, "fchdir is unportable - "
|
|
"use gnulib module fchdir for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_FCHOWNAT@
|
|
# if @REPLACE_FCHOWNAT@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef fchownat
|
|
# define fchownat rpl_fchownat
|
|
# endif
|
|
_GL_FUNCDECL_RPL (fchownat, int, (int fd, char const *file,
|
|
uid_t owner, gid_t group, int flag)
|
|
_GL_ARG_NONNULL ((2)));
|
|
_GL_CXXALIAS_RPL (fchownat, int, (int fd, char const *file,
|
|
uid_t owner, gid_t group, int flag));
|
|
# else
|
|
# if !@HAVE_FCHOWNAT@
|
|
_GL_FUNCDECL_SYS (fchownat, int, (int fd, char const *file,
|
|
uid_t owner, gid_t group, int flag)
|
|
_GL_ARG_NONNULL ((2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (fchownat, int, (int fd, char const *file,
|
|
uid_t owner, gid_t group, int flag));
|
|
# endif
|
|
_GL_CXXALIASWARN (fchownat);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef fchownat
|
|
# if HAVE_RAW_DECL_FCHOWNAT
|
|
_GL_WARN_ON_USE (fchownat, "fchownat is not portable - "
|
|
"use gnulib module fchownat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_FDATASYNC@
|
|
/* Synchronize changes to a file.
|
|
Return 0 if successful, otherwise -1 and errno set.
|
|
See POSIX:2008 specification
|
|
<https://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
|
|
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */
|
|
# if !@HAVE_FSYNC@
|
|
_GL_FUNCDECL_SYS (fsync, int, (int fd));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (fsync, int, (int fd));
|
|
_GL_CXXALIASWARN (fsync);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef fsync
|
|
# if HAVE_RAW_DECL_FSYNC
|
|
_GL_WARN_ON_USE (fsync, "fsync is unportable - "
|
|
"use gnulib module fsync for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#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:2008 specification
|
|
<https://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
|
|
_GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length));
|
|
# endif
|
|
_GL_CXXALIASWARN (ftruncate);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef ftruncate
|
|
# if HAVE_RAW_DECL_FTRUNCATE
|
|
_GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - "
|
|
"use gnulib module ftruncate for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_GETCWD@
|
|
/* Get the name of the current working directory, and put it in SIZE bytes
|
|
of BUF.
|
|
Return BUF if successful, or NULL if the directory couldn't be determined
|
|
or SIZE was too small.
|
|
See the POSIX:2008 specification
|
|
<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
|
|
necessary. */
|
|
# if @REPLACE_GETCWD@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# define getcwd rpl_getcwd
|
|
# 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_CXXALIAS_SYS_CAST (getcwd, char *, (char *buf, size_t size));
|
|
# endif
|
|
_GL_CXXALIASWARN (getcwd);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef getcwd
|
|
# if HAVE_RAW_DECL_GETCWD
|
|
_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 @GNULIB_GETDOMAINNAME@
|
|
/* Return the NIS domain name of the machine.
|
|
WARNING! The NIS domain name is unrelated to the fully qualified host name
|
|
of the machine. It is also unrelated to email addresses.
|
|
WARNING! The NIS domain name is usually the empty string or "(none)" when
|
|
not using NIS.
|
|
|
|
Put up to LEN bytes of the NIS domain name into NAME.
|
|
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 @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
|
|
# if __GLIBC__ >= 2
|
|
_GL_CXXALIASWARN (getdomainname);
|
|
# endif
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef getdomainname
|
|
# if HAVE_RAW_DECL_GETDOMAINNAME
|
|
_GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - "
|
|
"use gnulib module getdomainname for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#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 @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
|
|
/* 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
|
|
# undef getdtablesize
|
|
# if HAVE_RAW_DECL_GETDTABLESIZE
|
|
_GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - "
|
|
"use gnulib module getdtablesize for portability");
|
|
# endif
|
|
#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.
|
|
If N is 0, return the group count; otherwise, N describes how many
|
|
entries are available in GROUPS. Return -1 and set errno if N is
|
|
not 0 and not large enough. Fails with ENOSYS on some systems. */
|
|
# if @REPLACE_GETGROUPS@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef getgroups
|
|
# define getgroups rpl_getgroups
|
|
# endif
|
|
_GL_FUNCDECL_RPL (getgroups, int, (int n, gid_t *groups));
|
|
_GL_CXXALIAS_RPL (getgroups, int, (int n, gid_t *groups));
|
|
# else
|
|
# if !@HAVE_GETGROUPS@
|
|
_GL_FUNCDECL_SYS (getgroups, int, (int n, gid_t *groups));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (getgroups, int, (int n, gid_t *groups));
|
|
# endif
|
|
_GL_CXXALIASWARN (getgroups);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef getgroups
|
|
# if HAVE_RAW_DECL_GETGROUPS
|
|
_GL_WARN_ON_USE (getgroups, "getgroups is unportable - "
|
|
"use gnulib module getgroups for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_GETHOSTNAME@
|
|
/* Return the standard host name of the machine.
|
|
WARNING! The host name may or may not be fully qualified.
|
|
|
|
Put up to LEN bytes of the host name into NAME.
|
|
Null terminate it if the name is shorter than LEN.
|
|
If the host name is longer than LEN, set errno = EINVAL and return -1.
|
|
Return 0 if successful, otherwise set errno and return -1. */
|
|
# if @UNISTD_H_HAVE_WINSOCK2_H@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef gethostname
|
|
# define gethostname rpl_gethostname
|
|
# endif
|
|
_GL_FUNCDECL_RPL (gethostname, int, (char *name, size_t len)
|
|
_GL_ARG_NONNULL ((1)));
|
|
_GL_CXXALIAS_RPL (gethostname, int, (char *name, size_t len));
|
|
# else
|
|
# if !@HAVE_GETHOSTNAME@
|
|
_GL_FUNCDECL_SYS (gethostname, int, (char *name, size_t len)
|
|
_GL_ARG_NONNULL ((1)));
|
|
# endif
|
|
/* 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
|
|
_GL_CXXALIASWARN (gethostname);
|
|
#elif @UNISTD_H_HAVE_WINSOCK2_H@
|
|
# undef gethostname
|
|
# define gethostname gethostname_used_without_requesting_gnulib_module_gethostname
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef gethostname
|
|
# if HAVE_RAW_DECL_GETHOSTNAME
|
|
_GL_WARN_ON_USE (gethostname, "gethostname is unportable - "
|
|
"use gnulib module gethostname for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_GETLOGIN@
|
|
/* Returns the user's login name, or NULL if it cannot be found. Upon error,
|
|
returns NULL with errno set.
|
|
|
|
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:
|
|
${LOGNAME-$USER} on Unix platforms,
|
|
$USERNAME on native Windows platforms.
|
|
*/
|
|
# if !@HAVE_DECL_GETLOGIN@
|
|
_GL_FUNCDECL_SYS (getlogin, char *, (void));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (getlogin, char *, (void));
|
|
_GL_CXXALIASWARN (getlogin);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef getlogin
|
|
# if HAVE_RAW_DECL_GETLOGIN
|
|
_GL_WARN_ON_USE (getlogin, "getlogin is unportable - "
|
|
"use gnulib module getlogin for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_GETLOGIN_R@
|
|
/* Copies the user's login name to NAME.
|
|
The array pointed to by NAME has room for SIZE bytes.
|
|
|
|
Returns 0 if successful. Upon error, an error number is returned, or -1 in
|
|
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 <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:
|
|
${LOGNAME-$USER} on Unix platforms,
|
|
$USERNAME on native Windows platforms.
|
|
*/
|
|
# 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
|
|
/* 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
|
|
# if HAVE_RAW_DECL_GETLOGIN_R
|
|
_GL_WARN_ON_USE (getlogin_r, "getlogin_r is unportable - "
|
|
"use gnulib module getlogin_r for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_GETPAGESIZE@
|
|
# if @REPLACE_GETPAGESIZE@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# define getpagesize rpl_getpagesize
|
|
# endif
|
|
_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. */
|
|
# if !defined _gl_getpagesize && defined _SC_PAGESIZE
|
|
# if ! (defined __VMS && __VMS_VER < 70000000)
|
|
# define _gl_getpagesize() sysconf (_SC_PAGESIZE)
|
|
# endif
|
|
# endif
|
|
/* This is for older VMS. */
|
|
# if !defined _gl_getpagesize && defined __VMS
|
|
# ifdef __ALPHA
|
|
# define _gl_getpagesize() 8192
|
|
# else
|
|
# define _gl_getpagesize() 512
|
|
# endif
|
|
# endif
|
|
/* This is for BeOS. */
|
|
# if !defined _gl_getpagesize && @HAVE_OS_H@
|
|
# include <OS.h>
|
|
# if defined B_PAGE_SIZE
|
|
# define _gl_getpagesize() B_PAGE_SIZE
|
|
# endif
|
|
# endif
|
|
/* This is for AmigaOS4.0. */
|
|
# if !defined _gl_getpagesize && defined __amigaos4__
|
|
# define _gl_getpagesize() 2048
|
|
# endif
|
|
/* This is for older Unix systems. */
|
|
# if !defined _gl_getpagesize && @HAVE_SYS_PARAM_H@
|
|
# include <sys/param.h>
|
|
# ifdef EXEC_PAGESIZE
|
|
# define _gl_getpagesize() EXEC_PAGESIZE
|
|
# else
|
|
# ifdef NBPG
|
|
# ifndef CLSIZE
|
|
# define CLSIZE 1
|
|
# endif
|
|
# define _gl_getpagesize() (NBPG * CLSIZE)
|
|
# else
|
|
# ifdef NBPC
|
|
# define _gl_getpagesize() NBPC
|
|
# endif
|
|
# endif
|
|
# endif
|
|
# endif
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# define getpagesize() _gl_getpagesize ()
|
|
# else
|
|
# if !GNULIB_defined_getpagesize_function
|
|
_GL_UNISTD_INLINE int
|
|
getpagesize ()
|
|
{
|
|
return _gl_getpagesize ();
|
|
}
|
|
# define GNULIB_defined_getpagesize_function 1
|
|
# endif
|
|
# endif
|
|
# endif
|
|
# endif
|
|
/* Need to cast, because on Cygwin 1.5.x systems, the return type is size_t. */
|
|
_GL_CXXALIAS_SYS_CAST (getpagesize, int, (void));
|
|
# endif
|
|
# if @HAVE_DECL_GETPAGESIZE@
|
|
_GL_CXXALIASWARN (getpagesize);
|
|
# endif
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef getpagesize
|
|
# if HAVE_RAW_DECL_GETPAGESIZE
|
|
_GL_WARN_ON_USE (getpagesize, "getpagesize is unportable - "
|
|
"use gnulib module getpagesize for portability");
|
|
# endif
|
|
#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 (@GNULIB_GETPASS@ && @REPLACE_GETPASS@) \
|
|
|| (@GNULIB_GETPASS_GNU@ && @REPLACE_GETPASS_FOR_GETPASS_GNU@)
|
|
# 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. */
|
|
# if !@HAVE_DECL_GETUSERSHELL@
|
|
_GL_FUNCDECL_SYS (getusershell, char *, (void));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (getusershell, char *, (void));
|
|
_GL_CXXALIASWARN (getusershell);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef getusershell
|
|
# if HAVE_RAW_DECL_GETUSERSHELL
|
|
_GL_WARN_ON_USE (getusershell, "getusershell is unportable - "
|
|
"use gnulib module getusershell for portability");
|
|
# endif
|
|
#endif
|
|
|
|
#if @GNULIB_GETUSERSHELL@
|
|
/* Rewind to pointer that is advanced at each getusershell() call. */
|
|
# if !@HAVE_DECL_GETUSERSHELL@
|
|
_GL_FUNCDECL_SYS (setusershell, void, (void));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (setusershell, void, (void));
|
|
_GL_CXXALIASWARN (setusershell);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef setusershell
|
|
# if HAVE_RAW_DECL_SETUSERSHELL
|
|
_GL_WARN_ON_USE (setusershell, "setusershell is unportable - "
|
|
"use gnulib module getusershell for portability");
|
|
# endif
|
|
#endif
|
|
|
|
#if @GNULIB_GETUSERSHELL@
|
|
/* Free the pointer that is advanced at each getusershell() call and
|
|
associated resources. */
|
|
# if !@HAVE_DECL_GETUSERSHELL@
|
|
_GL_FUNCDECL_SYS (endusershell, void, (void));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (endusershell, void, (void));
|
|
_GL_CXXALIASWARN (endusershell);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef endusershell
|
|
# if HAVE_RAW_DECL_ENDUSERSHELL
|
|
_GL_WARN_ON_USE (endusershell, "endusershell is unportable - "
|
|
"use gnulib module getusershell for portability");
|
|
# endif
|
|
#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
|
|
# define GNULIB_defined_isatty 1
|
|
_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_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
|
|
#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
|
|
|
|
|
|
#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:2008 specification
|
|
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */
|
|
# if @REPLACE_LCHOWN@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef lchown
|
|
# define lchown rpl_lchown
|
|
# endif
|
|
_GL_FUNCDECL_RPL (lchown, int, (char const *file, uid_t owner, gid_t group)
|
|
_GL_ARG_NONNULL ((1)));
|
|
_GL_CXXALIAS_RPL (lchown, int, (char const *file, uid_t owner, gid_t group));
|
|
# else
|
|
# if !@HAVE_LCHOWN@
|
|
_GL_FUNCDECL_SYS (lchown, int, (char const *file, uid_t owner, gid_t group)
|
|
_GL_ARG_NONNULL ((1)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (lchown, int, (char const *file, uid_t owner, gid_t group));
|
|
# endif
|
|
_GL_CXXALIASWARN (lchown);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef lchown
|
|
# if HAVE_RAW_DECL_LCHOWN
|
|
_GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - "
|
|
"use gnulib module lchown for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_LINK@
|
|
/* Create a new hard link for an existing file.
|
|
Return 0 if successful, otherwise -1 and errno set.
|
|
See POSIX:2008 specification
|
|
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */
|
|
# if @REPLACE_LINK@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# define link rpl_link
|
|
# endif
|
|
_GL_FUNCDECL_RPL (link, int, (const char *path1, const char *path2)
|
|
_GL_ARG_NONNULL ((1, 2)));
|
|
_GL_CXXALIAS_RPL (link, int, (const char *path1, const char *path2));
|
|
# else
|
|
# if !@HAVE_LINK@
|
|
_GL_FUNCDECL_SYS (link, int, (const char *path1, const char *path2)
|
|
_GL_ARG_NONNULL ((1, 2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (link, int, (const char *path1, const char *path2));
|
|
# endif
|
|
_GL_CXXALIASWARN (link);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef link
|
|
# if HAVE_RAW_DECL_LINK
|
|
_GL_WARN_ON_USE (link, "link is unportable - "
|
|
"use gnulib module link for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_LINKAT@
|
|
/* Create a new hard link for an existing file, relative to two
|
|
directories. FLAG controls whether symlinks are followed.
|
|
Return 0 if successful, otherwise -1 and errno set. */
|
|
# if @REPLACE_LINKAT@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef linkat
|
|
# define linkat rpl_linkat
|
|
# endif
|
|
_GL_FUNCDECL_RPL (linkat, int,
|
|
(int fd1, const char *path1, int fd2, const char *path2,
|
|
int flag)
|
|
_GL_ARG_NONNULL ((2, 4)));
|
|
_GL_CXXALIAS_RPL (linkat, int,
|
|
(int fd1, const char *path1, int fd2, const char *path2,
|
|
int flag));
|
|
# else
|
|
# if !@HAVE_LINKAT@
|
|
_GL_FUNCDECL_SYS (linkat, int,
|
|
(int fd1, const char *path1, int fd2, const char *path2,
|
|
int flag)
|
|
_GL_ARG_NONNULL ((2, 4)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (linkat, int,
|
|
(int fd1, const char *path1, int fd2, const char *path2,
|
|
int flag));
|
|
# endif
|
|
_GL_CXXALIASWARN (linkat);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef linkat
|
|
# if HAVE_RAW_DECL_LINKAT
|
|
_GL_WARN_ON_USE (linkat, "linkat is unportable - "
|
|
"use gnulib module linkat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#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:2008 specification
|
|
<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_CXXALIASWARN (lseek);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef lseek
|
|
# if HAVE_RAW_DECL_LSEEK
|
|
_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
|
|
|
|
|
|
#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.
|
|
The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
|
|
and O_TEXT, O_BINARY (defined in "binary-io.h").
|
|
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
|
|
<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
|
|
# endif
|
|
_GL_FUNCDECL_RPL (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
|
|
_GL_CXXALIAS_RPL (pipe2, int, (int fd[2], int flags));
|
|
# else
|
|
_GL_FUNCDECL_SYS (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
|
|
_GL_CXXALIAS_SYS (pipe2, int, (int fd[2], int flags));
|
|
# endif
|
|
_GL_CXXALIASWARN (pipe2);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef pipe2
|
|
# if HAVE_RAW_DECL_PIPE2
|
|
_GL_WARN_ON_USE (pipe2, "pipe2 is unportable - "
|
|
"use gnulib module pipe2 for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#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:2008 specification
|
|
<https://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,
|
|
(int fd, void *buf, size_t bufsize, off_t offset)
|
|
_GL_ARG_NONNULL ((2)));
|
|
_GL_CXXALIAS_RPL (pread, ssize_t,
|
|
(int fd, void *buf, size_t bufsize, off_t offset));
|
|
# else
|
|
# if !@HAVE_PREAD@
|
|
_GL_FUNCDECL_SYS (pread, ssize_t,
|
|
(int fd, void *buf, size_t bufsize, off_t offset)
|
|
_GL_ARG_NONNULL ((2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (pread, ssize_t,
|
|
(int fd, void *buf, size_t bufsize, off_t offset));
|
|
# endif
|
|
_GL_CXXALIASWARN (pread);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef pread
|
|
# if HAVE_RAW_DECL_PREAD
|
|
_GL_WARN_ON_USE (pread, "pread is unportable - "
|
|
"use gnulib module pread for portability");
|
|
# endif
|
|
#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
|
|
<https://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
|
|
<https://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));
|
|
# 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
|
|
_GL_CXXALIAS_SYS (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:2008 specification
|
|
<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 *restrict file,
|
|
char *restrict buf, size_t bufsize)
|
|
_GL_ARG_NONNULL ((1, 2)));
|
|
_GL_CXXALIAS_RPL (readlink, ssize_t,
|
|
(const char *restrict file,
|
|
char *restrict buf, size_t bufsize));
|
|
# else
|
|
# if !@HAVE_READLINK@
|
|
_GL_FUNCDECL_SYS (readlink, ssize_t,
|
|
(const char *restrict file,
|
|
char *restrict buf, size_t bufsize)
|
|
_GL_ARG_NONNULL ((1, 2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (readlink, ssize_t,
|
|
(const char *restrict file,
|
|
char *restrict buf, size_t bufsize));
|
|
# endif
|
|
_GL_CXXALIASWARN (readlink);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef readlink
|
|
# if HAVE_RAW_DECL_READLINK
|
|
_GL_WARN_ON_USE (readlink, "readlink is unportable - "
|
|
"use gnulib module readlink for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_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 *restrict file,
|
|
char *restrict buf, size_t len)
|
|
_GL_ARG_NONNULL ((2, 3)));
|
|
_GL_CXXALIAS_RPL (readlinkat, ssize_t,
|
|
(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 *restrict file,
|
|
char *restrict buf, size_t len)
|
|
_GL_ARG_NONNULL ((2, 3)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (readlinkat, ssize_t,
|
|
(int fd, char const *restrict file,
|
|
char *restrict 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 readlinkat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_RMDIR@
|
|
/* Remove the directory DIR. */
|
|
# if @REPLACE_RMDIR@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# define rmdir rpl_rmdir
|
|
# 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_CXXALIASWARN (rmdir);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef rmdir
|
|
# if HAVE_RAW_DECL_RMDIR
|
|
_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
|
|
|
|
|
|
#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:2008 specification
|
|
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */
|
|
# if @REPLACE_SLEEP@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef sleep
|
|
# define sleep rpl_sleep
|
|
# endif
|
|
_GL_FUNCDECL_RPL (sleep, unsigned int, (unsigned int n));
|
|
_GL_CXXALIAS_RPL (sleep, unsigned int, (unsigned int n));
|
|
# else
|
|
# if !@HAVE_SLEEP@
|
|
_GL_FUNCDECL_SYS (sleep, unsigned int, (unsigned int n));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (sleep, unsigned int, (unsigned int n));
|
|
# endif
|
|
_GL_CXXALIASWARN (sleep);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef sleep
|
|
# if HAVE_RAW_DECL_SLEEP
|
|
_GL_WARN_ON_USE (sleep, "sleep is unportable - "
|
|
"use gnulib module sleep for portability");
|
|
# endif
|
|
#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::swab always. */
|
|
# if defined _WIN32 && !defined __CYGWIN__
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef swab
|
|
# define swab _swab
|
|
# endif
|
|
/* Need to cast, because in old mingw the arguments are
|
|
(const char *from, char *to, size_t n). */
|
|
_GL_CXXALIAS_MDA_CAST (swab, void, (char *from, char *to, int n));
|
|
# else
|
|
# if defined __hpux /* HP-UX */
|
|
_GL_CXXALIAS_SYS (swab, void, (const char *from, char *to, int n));
|
|
# elif defined __sun && (defined __SunOS_5_10 || defined __XOPEN_OR_POSIX) && !defined _XPG4 /* Solaris */
|
|
_GL_CXXALIAS_SYS (swab, void, (const char *from, char *to, ssize_t n));
|
|
# else
|
|
_GL_CXXALIAS_SYS (swab, void, (const void *from, void *to, ssize_t n));
|
|
# endif
|
|
# endif
|
|
_GL_CXXALIASWARN (swab);
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_SYMLINK@
|
|
# if @REPLACE_SYMLINK@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef symlink
|
|
# define symlink rpl_symlink
|
|
# endif
|
|
_GL_FUNCDECL_RPL (symlink, int, (char const *contents, char const *file)
|
|
_GL_ARG_NONNULL ((1, 2)));
|
|
_GL_CXXALIAS_RPL (symlink, int, (char const *contents, char const *file));
|
|
# else
|
|
# if !@HAVE_SYMLINK@
|
|
_GL_FUNCDECL_SYS (symlink, int, (char const *contents, char const *file)
|
|
_GL_ARG_NONNULL ((1, 2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (symlink, int, (char const *contents, char const *file));
|
|
# endif
|
|
_GL_CXXALIASWARN (symlink);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef symlink
|
|
# if HAVE_RAW_DECL_SYMLINK
|
|
_GL_WARN_ON_USE (symlink, "symlink is not portable - "
|
|
"use gnulib module symlink for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_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
|
|
_GL_CXXALIAS_SYS (symlinkat, int,
|
|
(char const *contents, int fd, char const *file));
|
|
# endif
|
|
_GL_CXXALIASWARN (symlinkat);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef symlinkat
|
|
# if HAVE_RAW_DECL_SYMLINKAT
|
|
_GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - "
|
|
"use gnulib module symlinkat for portability");
|
|
# endif
|
|
#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. */
|
|
# if @REPLACE_TTYNAME_R@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef ttyname_r
|
|
# define ttyname_r rpl_ttyname_r
|
|
# endif
|
|
_GL_FUNCDECL_RPL (ttyname_r, int,
|
|
(int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
|
|
_GL_CXXALIAS_RPL (ttyname_r, int,
|
|
(int fd, char *buf, size_t buflen));
|
|
# else
|
|
# if !@HAVE_DECL_TTYNAME_R@
|
|
_GL_FUNCDECL_SYS (ttyname_r, int,
|
|
(int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (ttyname_r, int,
|
|
(int fd, char *buf, size_t buflen));
|
|
# endif
|
|
_GL_CXXALIASWARN (ttyname_r);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef ttyname_r
|
|
# if HAVE_RAW_DECL_TTYNAME_R
|
|
_GL_WARN_ON_USE (ttyname_r, "ttyname_r is not portable - "
|
|
"use gnulib module ttyname_r for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_UNLINK@
|
|
# if @REPLACE_UNLINK@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef unlink
|
|
# define unlink rpl_unlink
|
|
# 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_CXXALIASWARN (unlink);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef unlink
|
|
# if HAVE_RAW_DECL_UNLINK
|
|
_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
|
|
|
|
|
|
#if @GNULIB_UNLINKAT@
|
|
# if @REPLACE_UNLINKAT@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef unlinkat
|
|
# define unlinkat rpl_unlinkat
|
|
# endif
|
|
_GL_FUNCDECL_RPL (unlinkat, int, (int fd, char const *file, int flag)
|
|
_GL_ARG_NONNULL ((2)));
|
|
_GL_CXXALIAS_RPL (unlinkat, int, (int fd, char const *file, int flag));
|
|
# else
|
|
# if !@HAVE_UNLINKAT@
|
|
_GL_FUNCDECL_SYS (unlinkat, int, (int fd, char const *file, int flag)
|
|
_GL_ARG_NONNULL ((2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (unlinkat, int, (int fd, char const *file, int flag));
|
|
# endif
|
|
_GL_CXXALIASWARN (unlinkat);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef unlinkat
|
|
# if HAVE_RAW_DECL_UNLINKAT
|
|
_GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - "
|
|
"use gnulib module unlinkat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_USLEEP@
|
|
/* Pause the execution of the current thread for N microseconds.
|
|
Returns 0 on completion, or -1 on range error.
|
|
See the POSIX:2001 specification
|
|
<https://pubs.opengroup.org/onlinepubs/009695399/functions/usleep.html>. */
|
|
# if @REPLACE_USLEEP@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef usleep
|
|
# define usleep rpl_usleep
|
|
# endif
|
|
_GL_FUNCDECL_RPL (usleep, int, (useconds_t n));
|
|
_GL_CXXALIAS_RPL (usleep, int, (useconds_t n));
|
|
# else
|
|
# if !@HAVE_USLEEP@
|
|
_GL_FUNCDECL_SYS (usleep, int, (useconds_t n));
|
|
# endif
|
|
/* 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
|
|
# undef usleep
|
|
# if HAVE_RAW_DECL_USLEEP
|
|
_GL_WARN_ON_USE (usleep, "usleep is unportable - "
|
|
"use gnulib module usleep for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_WRITE@
|
|
/* Write up to COUNT bytes starting at BUF to file descriptor FD.
|
|
See the POSIX:2008 specification
|
|
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */
|
|
# if @REPLACE_WRITE@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef write
|
|
# define write rpl_write
|
|
# endif
|
|
_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
|
|
_GL_CXXALIAS_SYS (write, ssize_t, (int fd, const void *buf, size_t count));
|
|
# endif
|
|
_GL_CXXALIASWARN (write);
|
|
#endif
|
|
|
|
_GL_INLINE_HEADER_END
|
|
|
|
#endif /* _@GUARD_PREFIX@_UNISTD_H */
|
|
#endif /* _GL_INCLUDING_UNISTD_H */
|
|
#endif /* _@GUARD_PREFIX@_UNISTD_H */
|