Imported Upstream version 1.4.13+git200906171200
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362 changed files with 34110 additions and 10773 deletions
266
gl/unistd.in.h
266
gl/unistd.in.h
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@ -1,5 +1,5 @@
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/* Substitute for and wrapper around <unistd.h>.
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Copyright (C) 2004-2007 Free Software Foundation, Inc.
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Copyright (C) 2003-2009 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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@ -17,6 +17,10 @@
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#ifndef _GL_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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/* 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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@ -25,17 +29,75 @@
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#ifndef _GL_UNISTD_H
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#define _GL_UNISTD_H
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/* mingw doesn't define the SEEK_* macros in <unistd.h>. */
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/* mingw doesn't define the SEEK_* or *_FILENO macros in <unistd.h>. */
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#if !(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET)
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# include <stdio.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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#include <stdlib.h>
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#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
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/* Get ssize_t. */
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# include <sys/types.h>
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#endif
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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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# include <winsock2.h>
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# if !defined _GL_SYS_SOCKET_H
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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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# endif
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# if !defined _GL_SYS_SELECT_H
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# undef select
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# define select 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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/* The definition of GL_LINK_WARNING is copied here. */
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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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/* Declare overridden functions. */
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#ifdef __cplusplus
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@ -68,6 +130,25 @@ extern int chown (const char *file, uid_t uid, gid_t gid);
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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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# undef close
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# define close rpl_close
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extern int close (int);
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# endif
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#elif @UNISTD_H_HAVE_WINSOCK2_H@
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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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# define close(f) \
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(GL_LINK_WARNING ("close does not portably work on sockets - " \
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"use gnulib module close for portability"), \
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close (f))
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#endif
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#if @GNULIB_DUP2@
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# if !@HAVE_DUP2@
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/* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if
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@ -86,6 +167,41 @@ extern int dup2 (int oldfd, int newfd);
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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
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extern char **environ;
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# endif
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef environ
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# define environ \
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(GL_LINK_WARNING ("environ is unportable - " \
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"use gnulib module environ for portability"), \
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environ)
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#endif
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#if @GNULIB_EUIDACCESS@
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# if !@HAVE_EUIDACCESS@
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/* Like access(), except that is uses the effective user id and group id of
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the current process. */
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extern int euidaccess (const char *filename, int mode);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef euidaccess
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# define euidaccess(f,m) \
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(GL_LINK_WARNING ("euidaccess is unportable - " \
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"use gnulib module euidaccess for portability"), \
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euidaccess (f, m))
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#endif
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#if @GNULIB_FCHDIR@
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# if @REPLACE_FCHDIR@
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@ -96,8 +212,6 @@ extern int dup2 (int oldfd, int newfd);
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<http://www.opengroup.org/susv3xsh/fchdir.html>. */
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extern int fchdir (int /*fd*/);
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# define close rpl_close
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extern int close (int);
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# define dup rpl_dup
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extern int dup (int);
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# define dup2 rpl_dup2
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@ -113,6 +227,23 @@ extern int dup2 (int, int);
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#endif
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#if @GNULIB_FSYNC@
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/* Synchronize changes to a file.
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Return 0 if successful, otherwise -1 and errno set.
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See POSIX:2001 specification
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<http://www.opengroup.org/susv3xsh/fsync.html>. */
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# if !@HAVE_FSYNC@
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extern int fsync (int fd);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef fsync
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# define fsync(fd) \
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(GL_LINK_WARNING ("fsync is unportable - " \
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"use gnulib module fsync for portability"), \
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fsync (fd))
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#endif
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#if @GNULIB_FTRUNCATE@
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# if !@HAVE_FTRUNCATE@
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/* Change the size of the file to which FD is opened to become equal to LENGTH.
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@ -157,6 +288,70 @@ extern char * getcwd (char *buf, size_t size);
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#endif
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#if @GNULIB_GETDOMAINNAME@
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/* Return the NIS domain name of the machine.
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WARNING! The NIS domain name is unrelated to the fully qualified host name
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of the machine. It is also unrelated to email addresses.
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WARNING! The NIS domain name is usually the empty string or "(none)" when
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not using NIS.
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Put up to LEN bytes of the NIS domain name into NAME.
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Null terminate it if the name is shorter than LEN.
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If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.
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Return 0 if successful, otherwise set errno and return -1. */
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# if !@HAVE_GETDOMAINNAME@
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extern int getdomainname(char *name, size_t len);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef getdomainname
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# define getdomainname(n,l) \
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(GL_LINK_WARNING ("getdomainname is unportable - " \
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"use gnulib module getdomainname for portability"), \
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getdomainname (n, l))
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#endif
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#if @GNULIB_GETDTABLESIZE@
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# if !@HAVE_GETDTABLESIZE@
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/* Return the maximum number of file descriptors in the current process. */
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extern int getdtablesize (void);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef getdtablesize
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# define getdtablesize() \
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(GL_LINK_WARNING ("getdtablesize is unportable - " \
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"use gnulib module getdtablesize for portability"), \
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getdtablesize ())
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#endif
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#if @GNULIB_GETHOSTNAME@
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/* Return the standard host name of the machine.
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WARNING! The host name may or may not be fully qualified.
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Put up to LEN bytes of the host name into NAME.
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Null terminate it if the name is shorter than LEN.
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If the host name is longer than LEN, set errno = EINVAL and return -1.
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Return 0 if successful, otherwise set errno and return -1. */
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# if @UNISTD_H_HAVE_WINSOCK2_H@
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# undef gethostname
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# define gethostname rpl_gethostname
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# endif
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# if @UNISTD_H_HAVE_WINSOCK2_H@ || !@HAVE_GETHOSTNAME@
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extern int gethostname(char *name, size_t len);
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# endif
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#elif @UNISTD_H_HAVE_WINSOCK2_H@
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# undef gethostname
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# define gethostname gethostname_used_without_requesting_gnulib_module_gethostname
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#elif defined GNULIB_POSIXCHECK
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# undef gethostname
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# define gethostname(n,l) \
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(GL_LINK_WARNING ("gethostname is unportable - " \
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"use gnulib module gethostname for portability"), \
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gethostname (n, l))
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#endif
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#if @GNULIB_GETLOGIN_R@
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/* Copies the user's login name to NAME.
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The array pointed to by NAME has room for SIZE bytes.
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@ -238,6 +433,36 @@ extern int getpagesize (void);
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#endif
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#if @GNULIB_GETUSERSHELL@
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# if !@HAVE_GETUSERSHELL@
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/* Return the next valid login shell on the system, or NULL when the end of
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the list has been reached. */
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extern char *getusershell (void);
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/* Rewind to pointer that is advanced at each getusershell() call. */
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extern void setusershell (void);
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/* Free the pointer that is advanced at each getusershell() call and
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associated resources. */
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extern void endusershell (void);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef getusershell
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# define getusershell() \
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(GL_LINK_WARNING ("getusershell is unportable - " \
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"use gnulib module getusershell for portability"), \
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getusershell ())
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# undef setusershell
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# define setusershell() \
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(GL_LINK_WARNING ("setusershell is unportable - " \
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"use gnulib module getusershell for portability"), \
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setusershell ())
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# undef endusershell
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# define endusershell() \
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(GL_LINK_WARNING ("endusershell is unportable - " \
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"use gnulib module getusershell for portability"), \
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endusershell ())
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#endif
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#if @GNULIB_LCHOWN@
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# if @REPLACE_LCHOWN@
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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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@ -257,6 +482,23 @@ extern int lchown (char const *file, uid_t owner, gid_t group);
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#endif
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#if @GNULIB_LINK@
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/* Create a new hard link for an existing file.
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Return 0 if successful, otherwise -1 and errno set.
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See POSIX:2001 specification
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<http://www.opengroup.org/susv3xsh/link.html>. */
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# if !@HAVE_LINK@
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extern int link (const char *path1, const char *path2);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef link
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# define link(path1,path2) \
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(GL_LINK_WARNING ("link is unportable - " \
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"use gnulib module link for portability"), \
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link (path1, path2))
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#endif
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#if @GNULIB_LSEEK@
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# if @REPLACE_LSEEK@
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/* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END.
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@ -311,6 +553,22 @@ extern unsigned int sleep (unsigned int n);
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#endif
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#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
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/* Write up to COUNT bytes starting at BUF to file descriptor FD.
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See the POSIX:2001 specification
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<http://www.opengroup.org/susv3xsh/write.html>. */
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# undef write
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# define write rpl_write
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extern ssize_t write (int fd, const void *buf, size_t count);
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#endif
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#ifdef FCHDIR_REPLACEMENT
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/* gnulib internal function. */
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extern void _gl_unregister_fd (int fd);
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#endif
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#ifdef __cplusplus
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}
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#endif
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