mirror of
https://git.proxmox.com/git/grub2
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15c6926126
* Add gnulib files generated by gnulib-tool in build-aux, m4 and
grub-core/gnulib directories
* .bzignore: Add **/.deps and autogenerated gnulib files
* configure.ac: Assign auxiliary directory to build-aux, add invocation
of gnulib macros, add grub-core/gnulib/Makefile
* Makefile.am: Add gnulib directory in SUBDIRS (removing unnecessary .),
include m4 directory to aclocal.
* Makefile.util.def: Remove direct compilation of gnulib source files
and use the new grub-core/gnulib/libgnu.a.
* build-aux/config.rpath: move config.rpath from top directory to
build-aux
* conf/Makefile.common: Remove the macro _GL_UNUSED already defined
in gnulib headers
* conf/Makefile.extra-dist: Add m4/gnulib-cache.m4
* grub-core/Makefile.core.def: Remove unnecessary extra_dist
* grub-core/lib/posix_wrap/localcharset.h (locale_charset): Update
header.
* grub-core/lib/posix_wrap/langinfo.h (nl_langinfo): Return static
string.
1327 lines
44 KiB
C
1327 lines
44 KiB
C
/* Substitute for and wrapper around <unistd.h>.
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Copyright (C) 2003-2010 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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#if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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#endif
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/* Special invocation convention:
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- On mingw, several headers, including <winsock2.h>, include <unistd.h>,
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but we need to ensure that both the system <unistd.h> and <winsock2.h>
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are completely included before we replace gethostname. */
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#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \
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&& !defined _GL_WINSOCK2_H_WITNESS && defined _WINSOCK2_H
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/* <unistd.h> is being indirectly included for the first time from
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<winsock2.h>; avoid declaring any overrides. */
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# if @HAVE_UNISTD_H@
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# @INCLUDE_NEXT@ @NEXT_UNISTD_H@
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# else
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# error unexpected; report this to bug-gnulib@gnu.org
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# endif
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# define _GL_WINSOCK2_H_WITNESS
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/* Normal invocation. */
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#elif !defined _GL_UNISTD_H
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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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# @INCLUDE_NEXT@ @NEXT_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 _GL_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H
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#define _GL_UNISTD_H
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/* NetBSD 5.0 mis-defines NULL. Also get size_t. */
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#include <stddef.h>
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/* mingw doesn't define the SEEK_* or *_FILENO macros in <unistd.h>. */
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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_SYMLINKAT@ || defined GNULIB_POSIXCHECK)) \
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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 declares unlinkat in <fcntl.h>, not in <unistd.h>. */
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/* But avoid namespace pollution on glibc systems. */
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#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && ! 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, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>. */
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/* Solaris declares getcwd not only in <unistd.h> but also in <stdlib.h>. */
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/* But avoid namespace pollution on glibc systems. */
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#ifndef __GLIBC__
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# include <stdlib.h>
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#endif
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/* mingw declares getcwd in <io.h>, not in <unistd.h>. */
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#if ((@GNULIB_GETCWD@ || defined GNULIB_POSIXCHECK) \
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&& ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
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# include <io.h>
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#endif
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#if (@GNULIB_WRITE@ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
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|| @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK)
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/* Get ssize_t. */
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# include <sys/types.h>
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#endif
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/* Get getopt(), optarg, optind, opterr, optopt.
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But avoid namespace pollution on glibc systems. */
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#if @GNULIB_UNISTD_H_GETOPT@ && !defined __GLIBC__ && !defined _GL_SYSTEM_GETOPT
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# include <getopt.h>
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#endif
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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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#if @GNULIB_GETHOSTNAME@
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/* Get all possible declarations of gethostname(). */
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# if @UNISTD_H_HAVE_WINSOCK2_H@
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# if !defined _GL_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 _GL_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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#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 defined GNULIB_POSIXCHECK
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/* The access() function is a security risk. */
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_GL_WARN_ON_USE (access, "the access function is a security risk - "
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"use the gnulib module faccessat instead");
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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:2001 specification
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<http://www.opengroup.org/susv3xsh/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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# 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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#endif
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#if @REPLACE_DUP@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# define dup rpl_dup
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# endif
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_GL_FUNCDECL_RPL (dup, int, (int oldfd));
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_GL_CXXALIAS_RPL (dup, int, (int oldfd));
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#else
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_GL_CXXALIAS_SYS (dup, int, (int oldfd));
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#endif
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_GL_CXXALIASWARN (dup);
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#if @GNULIB_DUP2@
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/* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if
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NEWFD = OLDFD, otherwise close NEWFD first if it is open.
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Return newfd if successful, otherwise -1 and errno set.
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See the POSIX:2001 specification
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<http://www.opengroup.org/susv3xsh/dup2.html>. */
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# if @REPLACE_DUP2@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# define dup2 rpl_dup2
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# endif
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_GL_FUNCDECL_RPL (dup2, int, (int oldfd, int newfd));
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_GL_CXXALIAS_RPL (dup2, int, (int oldfd, int newfd));
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# else
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# if !@HAVE_DUP2@
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_GL_FUNCDECL_SYS (dup2, int, (int oldfd, int newfd));
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# endif
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_GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd));
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# endif
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_GL_CXXALIASWARN (dup2);
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#elif defined GNULIB_POSIXCHECK
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# undef dup2
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# if HAVE_RAW_DECL_DUP2
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_GL_WARN_ON_USE (dup2, "dup2 is unportable - "
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"use gnulib module dup2 for portability");
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# endif
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#endif
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#if @GNULIB_DUP3@
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/* Copy the file descriptor OLDFD into file descriptor NEWFD, with the
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specified flags.
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The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
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and O_TEXT, O_BINARY (defined in "binary-io.h").
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Close NEWFD first if it is open.
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Return newfd if successful, otherwise -1 and errno set.
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See the Linux man page at
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<http://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */
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# if @HAVE_DUP3@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# define dup3 rpl_dup3
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# endif
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_GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags));
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_GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags));
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# else
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_GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags));
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_GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags));
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# endif
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_GL_CXXALIASWARN (dup3);
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#elif defined GNULIB_POSIXCHECK
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# undef dup3
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# if HAVE_RAW_DECL_DUP3
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_GL_WARN_ON_USE (dup3, "dup3 is unportable - "
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"use gnulib module dup3 for portability");
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# endif
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#endif
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#if @GNULIB_ENVIRON@
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# if !@HAVE_DECL_ENVIRON@
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|
/* Set of environment variables and values. An array of strings of the form
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"VARIABLE=VALUE", terminated with a NULL. */
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|
# if defined __APPLE__ && defined __MACH__
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# include <crt_externs.h>
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|
# define environ (*_NSGetEnviron ())
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# else
|
|
# ifdef __cplusplus
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extern "C" {
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# endif
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|
extern char **environ;
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|
# ifdef __cplusplus
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}
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# endif
|
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# endif
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# endif
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#elif defined GNULIB_POSIXCHECK
|
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# if HAVE_RAW_DECL_ENVIRON
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static inline char ***
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rpl_environ (void)
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{
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return &environ;
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}
|
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_GL_WARN_ON_USE (rpl_environ, "environ is unportable - "
|
|
"use gnulib module environ for portability");
|
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# undef environ
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# define environ (*rpl_environ ())
|
|
# endif
|
|
#endif
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|
|
#if @GNULIB_EUIDACCESS@
|
|
/* Like access(), except that it uses the effective user id and group id of
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|
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
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|
|
|
|
|
#if @GNULIB_FACCESSAT@
|
|
# 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));
|
|
_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:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/fchdir.html>. */
|
|
# if ! @HAVE_FCHDIR@
|
|
_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
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|
|
/* 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));
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|
_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);
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|
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# 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 openat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_FSYNC@
|
|
/* Synchronize changes to a file.
|
|
Return 0 if successful, otherwise -1 and errno set.
|
|
See POSIX:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/fsync.html>. */
|
|
# 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:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/ftruncate.html>. */
|
|
# if !@HAVE_FTRUNCATE@
|
|
_GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length));
|
|
_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:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/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));
|
|
# 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
|
|
#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 !@HAVE_GETDOMAINNAME@
|
|
_GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len)
|
|
_GL_ARG_NONNULL ((1)));
|
|
# endif
|
|
/* Need to cast, because on MacOS X 10.5 systems, the second parameter is
|
|
int len. */
|
|
_GL_CXXALIAS_SYS_CAST (getdomainname, int, (char *name, size_t len));
|
|
_GL_CXXALIASWARN (getdomainname);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef getdomainname
|
|
# 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 !@HAVE_GETDTABLESIZE@
|
|
_GL_FUNCDECL_SYS (getdtablesize, int, (void));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (getdtablesize, int, (void));
|
|
_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_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 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 <http://www.opengroup.org/susv3xsh/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_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 <http://www.opengroup.org/susv3xsh/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_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));
|
|
_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
|
|
# 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
|
|
static inline int
|
|
getpagesize ()
|
|
{
|
|
return _gl_getpagesize ();
|
|
}
|
|
# 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_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_LCHOWN@
|
|
/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
|
|
to GID (if GID is not -1). Do not follow symbolic links.
|
|
Return 0 if successful, otherwise -1 and errno set.
|
|
See the POSIX:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/lchown.html>. */
|
|
# 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:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/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:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/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));
|
|
# 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
|
|
#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
|
|
<http://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:2001
|
|
specification <http://www.opengroup.org/susv3xsh/pread.html>. */
|
|
# if @REPLACE_PREAD@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# 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:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/pwrite.html>. */
|
|
# if @REPLACE_PWRITE@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# 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_READLINK@
|
|
/* Read the contents of the symbolic link FILE and place the first BUFSIZE
|
|
bytes of it into BUF. Return the number of bytes placed into BUF if
|
|
successful, otherwise -1 and errno set.
|
|
See the POSIX:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/readlink.html>. */
|
|
# if @REPLACE_READLINK@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# define readlink rpl_readlink
|
|
# endif
|
|
_GL_FUNCDECL_RPL (readlink, ssize_t,
|
|
(const char *file, char *buf, size_t bufsize)
|
|
_GL_ARG_NONNULL ((1, 2)));
|
|
_GL_CXXALIAS_RPL (readlink, ssize_t,
|
|
(const char *file, char *buf, size_t bufsize));
|
|
# else
|
|
# if !@HAVE_READLINK@
|
|
_GL_FUNCDECL_SYS (readlink, ssize_t,
|
|
(const char *file, char *buf, size_t bufsize)
|
|
_GL_ARG_NONNULL ((1, 2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (readlink, ssize_t,
|
|
(const char *file, char *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 !@HAVE_READLINKAT@
|
|
_GL_FUNCDECL_SYS (readlinkat, ssize_t,
|
|
(int fd, char const *file, char *buf, size_t len)
|
|
_GL_ARG_NONNULL ((2, 3)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (readlinkat, ssize_t,
|
|
(int fd, char const *file, char *buf, size_t len));
|
|
_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));
|
|
# 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
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_SLEEP@
|
|
/* Pause the execution of the current thread for N seconds.
|
|
Returns the number of seconds left to sleep.
|
|
See the POSIX:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/sleep.html>. */
|
|
# 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_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 !@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));
|
|
_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_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_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));
|
|
# 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
|
|
#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 openat 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
|
|
<http://www.opengroup.org/susv3xsh/sleep.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
|
|
_GL_CXXALIAS_SYS (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:2001 specification
|
|
<http://www.opengroup.org/susv3xsh/write.html>. */
|
|
# if @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
|
|
# 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)));
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|
_GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count));
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|
# else
|
|
/* Need to cast, because on mingw, the third parameter is
|
|
unsigned int count
|
|
and the return type is 'int'. */
|
|
_GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count));
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|
# endif
|
|
_GL_CXXALIASWARN (write);
|
|
#endif
|
|
|
|
|
|
#endif /* _GL_UNISTD_H */
|
|
#endif /* _GL_UNISTD_H */
|