641 lines
17 KiB
C
641 lines
17 KiB
C
/* Provide a more complete sys/stat header file.
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Copyright (C) 2005-2010 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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/* Written by Eric Blake, Paul Eggert, and Jim Meyering. */
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/* This file is supposed to be used on platforms where <sys/stat.h> is
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incomplete. It is intended to provide definitions and prototypes
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needed by an application. Start with what the system provides. */
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#if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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#endif
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#if defined __need_system_sys_stat_h
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/* Special invocation convention. */
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#@INCLUDE_NEXT@ @NEXT_SYS_STAT_H@
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#else
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/* Normal invocation convention. */
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#ifndef _GL_SYS_STAT_H
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/* Get nlink_t. */
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#include <sys/types.h>
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/* Get struct timespec. */
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#include <time.h>
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/* The include_next requires a split double-inclusion guard. */
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#@INCLUDE_NEXT@ @NEXT_SYS_STAT_H@
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#ifndef _GL_SYS_STAT_H
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#define _GL_SYS_STAT_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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/* Before doing "#define mkdir rpl_mkdir" below, we need to include all
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headers that may declare mkdir(). */
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#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
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# include <io.h> /* mingw32, mingw64 */
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# include <direct.h> /* mingw64 */
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#endif
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#ifndef S_IFMT
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# define S_IFMT 0170000
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#endif
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#if STAT_MACROS_BROKEN
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# undef S_ISBLK
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# undef S_ISCHR
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# undef S_ISDIR
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# undef S_ISFIFO
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# undef S_ISLNK
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# undef S_ISNAM
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# undef S_ISMPB
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# undef S_ISMPC
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# undef S_ISNWK
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# undef S_ISREG
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# undef S_ISSOCK
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#endif
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#ifndef S_ISBLK
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# ifdef S_IFBLK
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# define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
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# else
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# define S_ISBLK(m) 0
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# endif
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#endif
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#ifndef S_ISCHR
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# ifdef S_IFCHR
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# define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
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# else
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# define S_ISCHR(m) 0
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# endif
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#endif
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#ifndef S_ISDIR
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# ifdef S_IFDIR
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# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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# else
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# define S_ISDIR(m) 0
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# endif
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#endif
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#ifndef S_ISDOOR /* Solaris 2.5 and up */
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# define S_ISDOOR(m) 0
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#endif
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#ifndef S_ISFIFO
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# ifdef S_IFIFO
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# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
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# else
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# define S_ISFIFO(m) 0
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# endif
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#endif
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#ifndef S_ISLNK
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# ifdef S_IFLNK
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# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
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# else
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# define S_ISLNK(m) 0
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# endif
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#endif
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#ifndef S_ISMPB /* V7 */
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# ifdef S_IFMPB
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# define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
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# define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
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# else
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# define S_ISMPB(m) 0
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# define S_ISMPC(m) 0
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# endif
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#endif
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#ifndef S_ISNAM /* Xenix */
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# ifdef S_IFNAM
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# define S_ISNAM(m) (((m) & S_IFMT) == S_IFNAM)
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# else
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# define S_ISNAM(m) 0
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# endif
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#endif
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#ifndef S_ISNWK /* HP/UX */
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# ifdef S_IFNWK
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# define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
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# else
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# define S_ISNWK(m) 0
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# endif
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#endif
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#ifndef S_ISPORT /* Solaris 10 and up */
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# define S_ISPORT(m) 0
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#endif
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#ifndef S_ISREG
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# ifdef S_IFREG
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# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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# else
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# define S_ISREG(m) 0
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# endif
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#endif
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#ifndef S_ISSOCK
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# ifdef S_IFSOCK
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# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
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# else
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# define S_ISSOCK(m) 0
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# endif
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#endif
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#ifndef S_TYPEISMQ
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# define S_TYPEISMQ(p) 0
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#endif
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#ifndef S_TYPEISTMO
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# define S_TYPEISTMO(p) 0
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#endif
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#ifndef S_TYPEISSEM
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# ifdef S_INSEM
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# define S_TYPEISSEM(p) (S_ISNAM ((p)->st_mode) && (p)->st_rdev == S_INSEM)
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# else
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# define S_TYPEISSEM(p) 0
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# endif
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#endif
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#ifndef S_TYPEISSHM
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# ifdef S_INSHD
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# define S_TYPEISSHM(p) (S_ISNAM ((p)->st_mode) && (p)->st_rdev == S_INSHD)
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# else
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# define S_TYPEISSHM(p) 0
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# endif
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#endif
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/* high performance ("contiguous data") */
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#ifndef S_ISCTG
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# define S_ISCTG(p) 0
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#endif
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/* Cray DMF (data migration facility): off line, with data */
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#ifndef S_ISOFD
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# define S_ISOFD(p) 0
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#endif
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/* Cray DMF (data migration facility): off line, with no data */
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#ifndef S_ISOFL
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# define S_ISOFL(p) 0
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#endif
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/* 4.4BSD whiteout */
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#ifndef S_ISWHT
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# define S_ISWHT(m) 0
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#endif
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/* If any of the following are undefined,
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define them to their de facto standard values. */
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#if !S_ISUID
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# define S_ISUID 04000
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#endif
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#if !S_ISGID
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# define S_ISGID 02000
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#endif
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/* S_ISVTX is a common extension to POSIX. */
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#ifndef S_ISVTX
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# define S_ISVTX 01000
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#endif
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#if !S_IRUSR && S_IREAD
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# define S_IRUSR S_IREAD
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#endif
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#if !S_IRUSR
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# define S_IRUSR 00400
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#endif
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#if !S_IRGRP
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# define S_IRGRP (S_IRUSR >> 3)
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#endif
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#if !S_IROTH
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# define S_IROTH (S_IRUSR >> 6)
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#endif
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#if !S_IWUSR && S_IWRITE
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# define S_IWUSR S_IWRITE
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#endif
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#if !S_IWUSR
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# define S_IWUSR 00200
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#endif
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#if !S_IWGRP
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# define S_IWGRP (S_IWUSR >> 3)
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#endif
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#if !S_IWOTH
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# define S_IWOTH (S_IWUSR >> 6)
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#endif
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#if !S_IXUSR && S_IEXEC
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# define S_IXUSR S_IEXEC
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#endif
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#if !S_IXUSR
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# define S_IXUSR 00100
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#endif
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#if !S_IXGRP
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# define S_IXGRP (S_IXUSR >> 3)
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#endif
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#if !S_IXOTH
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# define S_IXOTH (S_IXUSR >> 6)
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#endif
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#if !S_IRWXU
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# define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
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#endif
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#if !S_IRWXG
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# define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
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#endif
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#if !S_IRWXO
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# define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
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#endif
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/* S_IXUGO is a common extension to POSIX. */
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#if !S_IXUGO
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# define S_IXUGO (S_IXUSR | S_IXGRP | S_IXOTH)
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#endif
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#ifndef S_IRWXUGO
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# define S_IRWXUGO (S_IRWXU | S_IRWXG | S_IRWXO)
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#endif
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/* Macros for futimens and utimensat. */
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#ifndef UTIME_NOW
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# define UTIME_NOW (-1)
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# define UTIME_OMIT (-2)
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#endif
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#if @GNULIB_FCHMODAT@
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# if !@HAVE_FCHMODAT@
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_GL_FUNCDECL_SYS (fchmodat, int,
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(int fd, char const *file, mode_t mode, int flag)
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_GL_ARG_NONNULL ((2)));
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# endif
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_GL_CXXALIAS_SYS (fchmodat, int,
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(int fd, char const *file, mode_t mode, int flag));
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_GL_CXXALIASWARN (fchmodat);
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#elif defined GNULIB_POSIXCHECK
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# undef fchmodat
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# if HAVE_RAW_DECL_FCHMODAT
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_GL_WARN_ON_USE (fchmodat, "fchmodat is not portable - "
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"use gnulib module openat for portability");
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# endif
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#endif
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#if @REPLACE_FSTAT@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# define fstat rpl_fstat
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# endif
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_GL_FUNCDECL_RPL (fstat, int, (int fd, struct stat *buf) _GL_ARG_NONNULL ((2)));
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_GL_CXXALIAS_RPL (fstat, int, (int fd, struct stat *buf));
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#else
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_GL_CXXALIAS_SYS (fstat, int, (int fd, struct stat *buf));
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#endif
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_GL_CXXALIASWARN (fstat);
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#if @GNULIB_FSTATAT@
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# if @REPLACE_FSTATAT@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef fstatat
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# define fstatat rpl_fstatat
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# endif
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_GL_FUNCDECL_RPL (fstatat, int,
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(int fd, char const *name, struct stat *st, int flags)
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_GL_ARG_NONNULL ((2, 3)));
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_GL_CXXALIAS_RPL (fstatat, int,
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(int fd, char const *name, struct stat *st, int flags));
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# else
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# if !@HAVE_FSTATAT@
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_GL_FUNCDECL_SYS (fstatat, int,
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(int fd, char const *name, struct stat *st, int flags)
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_GL_ARG_NONNULL ((2, 3)));
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# endif
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_GL_CXXALIAS_SYS (fstatat, int,
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(int fd, char const *name, struct stat *st, int flags));
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# endif
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_GL_CXXALIASWARN (fstatat);
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#elif defined GNULIB_POSIXCHECK
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# undef fstatat
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# if HAVE_RAW_DECL_FSTATAT
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_GL_WARN_ON_USE (fstatat, "fstatat is not portable - "
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"use gnulib module openat for portability");
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# endif
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#endif
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#if @GNULIB_FUTIMENS@
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# if @REPLACE_FUTIMENS@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef futimens
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# define futimens rpl_futimens
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# endif
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_GL_FUNCDECL_RPL (futimens, int, (int fd, struct timespec const times[2]));
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_GL_CXXALIAS_RPL (futimens, int, (int fd, struct timespec const times[2]));
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# else
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# if !@HAVE_FUTIMENS@
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_GL_FUNCDECL_SYS (futimens, int, (int fd, struct timespec const times[2]));
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# endif
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_GL_CXXALIAS_SYS (futimens, int, (int fd, struct timespec const times[2]));
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# endif
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_GL_CXXALIASWARN (futimens);
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#elif defined GNULIB_POSIXCHECK
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# undef futimens
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# if HAVE_RAW_DECL_FUTIMENS
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_GL_WARN_ON_USE (futimens, "futimens is not portable - "
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"use gnulib module futimens for portability");
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# endif
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#endif
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#if @GNULIB_LCHMOD@
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/* Change the mode of FILENAME to MODE, without dereferencing it if FILENAME
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denotes a symbolic link. */
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# if !@HAVE_LCHMOD@
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/* The lchmod replacement follows symbolic links. Callers should take
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this into account; lchmod should be applied only to arguments that
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are known to not be symbolic links. On hosts that lack lchmod,
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this can lead to race conditions between the check and the
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invocation of lchmod, but we know of no workarounds that are
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reliable in general. You might try requesting support for lchmod
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from your operating system supplier. */
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# define lchmod chmod
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# endif
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/* Need to cast, because on mingw, the second parameter of chmod is
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int mode. */
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_GL_CXXALIAS_RPL_CAST_1 (lchmod, chmod, int,
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(const char *filename, mode_t mode));
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# else
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# if 0 /* assume already declared */
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_GL_FUNCDECL_SYS (lchmod, int, (const char *filename, mode_t mode)
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_GL_ARG_NONNULL ((1)));
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# endif
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_GL_CXXALIAS_SYS (lchmod, int, (const char *filename, mode_t mode));
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# endif
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# if @HAVE_LCHMOD@
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_GL_CXXALIASWARN (lchmod);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef lchmod
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# if HAVE_RAW_DECL_LCHMOD
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_GL_WARN_ON_USE (lchmod, "lchmod is unportable - "
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"use gnulib module lchmod for portability");
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# endif
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#endif
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#if @GNULIB_LSTAT@
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# if ! @HAVE_LSTAT@
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/* mingw does not support symlinks, therefore it does not have lstat. But
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without links, stat does just fine. */
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# define lstat stat
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# endif
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_GL_CXXALIAS_RPL_1 (lstat, stat, int, (const char *name, struct stat *buf));
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# elif @REPLACE_LSTAT@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef lstat
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# define lstat rpl_lstat
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# endif
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_GL_FUNCDECL_RPL (lstat, int, (const char *name, struct stat *buf)
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_GL_ARG_NONNULL ((1, 2)));
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_GL_CXXALIAS_RPL (lstat, int, (const char *name, struct stat *buf));
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# else
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_GL_CXXALIAS_SYS (lstat, int, (const char *name, struct stat *buf));
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# endif
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# if @HAVE_LSTAT@
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_GL_CXXALIASWARN (lstat);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef lstat
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# if HAVE_RAW_DECL_LSTAT
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_GL_WARN_ON_USE (lstat, "lstat is unportable - "
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"use gnulib module lstat for portability");
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# endif
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#endif
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#if @REPLACE_MKDIR@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef mkdir
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# define mkdir rpl_mkdir
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# endif
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_GL_FUNCDECL_RPL (mkdir, int, (char const *name, mode_t mode)
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_GL_ARG_NONNULL ((1)));
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_GL_CXXALIAS_RPL (mkdir, int, (char const *name, mode_t mode));
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#else
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/* mingw's _mkdir() function has 1 argument, but we pass 2 arguments.
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Additionally, it declares _mkdir (and depending on compile flags, an
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alias mkdir), only in the nonstandard includes <direct.h> and <io.h>,
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which are included above. */
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# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
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static inline int
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rpl_mkdir (char const *name, mode_t mode)
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{
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return _mkdir (name);
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}
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# define mkdir rpl_mkdir
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# endif
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_GL_CXXALIAS_RPL (mkdir, int, (char const *name, mode_t mode));
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# else
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_GL_CXXALIAS_SYS (mkdir, int, (char const *name, mode_t mode));
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# endif
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#endif
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_GL_CXXALIASWARN (mkdir);
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#if @GNULIB_MKDIRAT@
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# if !@HAVE_MKDIRAT@
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_GL_FUNCDECL_SYS (mkdirat, int, (int fd, char const *file, mode_t mode)
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_GL_ARG_NONNULL ((2)));
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# endif
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_GL_CXXALIAS_SYS (mkdirat, int, (int fd, char const *file, mode_t mode));
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_GL_CXXALIASWARN (mkdirat);
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#elif defined GNULIB_POSIXCHECK
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# undef mkdirat
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# if HAVE_RAW_DECL_MKDIRAT
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_GL_WARN_ON_USE (mkdirat, "mkdirat is not portable - "
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"use gnulib module openat for portability");
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# endif
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#endif
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#if @GNULIB_MKFIFO@
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# if @REPLACE_MKFIFO@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef mkfifo
|
|
# define mkfifo rpl_mkfifo
|
|
# endif
|
|
_GL_FUNCDECL_RPL (mkfifo, int, (char const *file, mode_t mode)
|
|
_GL_ARG_NONNULL ((1)));
|
|
_GL_CXXALIAS_RPL (mkfifo, int, (char const *file, mode_t mode));
|
|
# else
|
|
# if !@HAVE_MKFIFO@
|
|
_GL_FUNCDECL_SYS (mkfifo, int, (char const *file, mode_t mode)
|
|
_GL_ARG_NONNULL ((1)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (mkfifo, int, (char const *file, mode_t mode));
|
|
# endif
|
|
_GL_CXXALIASWARN (mkfifo);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef mkfifo
|
|
# if HAVE_RAW_DECL_MKFIFO
|
|
_GL_WARN_ON_USE (mkfifo, "mkfifo is not portable - "
|
|
"use gnulib module mkfifo for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_MKFIFOAT@
|
|
# if !@HAVE_MKFIFOAT@
|
|
_GL_FUNCDECL_SYS (mkfifoat, int, (int fd, char const *file, mode_t mode)
|
|
_GL_ARG_NONNULL ((2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (mkfifoat, int, (int fd, char const *file, mode_t mode));
|
|
_GL_CXXALIASWARN (mkfifoat);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef mkfifoat
|
|
# if HAVE_RAW_DECL_MKFIFOAT
|
|
_GL_WARN_ON_USE (mkfifoat, "mkfifoat is not portable - "
|
|
"use gnulib module mkfifoat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_MKNOD@
|
|
# if @REPLACE_MKNOD@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef mknod
|
|
# define mknod rpl_mknod
|
|
# endif
|
|
_GL_FUNCDECL_RPL (mknod, int, (char const *file, mode_t mode, dev_t dev)
|
|
_GL_ARG_NONNULL ((1)));
|
|
_GL_CXXALIAS_RPL (mknod, int, (char const *file, mode_t mode, dev_t dev));
|
|
# else
|
|
# if !@HAVE_MKNOD@
|
|
_GL_FUNCDECL_SYS (mknod, int, (char const *file, mode_t mode, dev_t dev)
|
|
_GL_ARG_NONNULL ((1)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (mknod, int, (char const *file, mode_t mode, dev_t dev));
|
|
# endif
|
|
_GL_CXXALIASWARN (mknod);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef mknod
|
|
# if HAVE_RAW_DECL_MKNOD
|
|
_GL_WARN_ON_USE (mknod, "mknod is not portable - "
|
|
"use gnulib module mknod for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_MKNODAT@
|
|
# if !@HAVE_MKNODAT@
|
|
_GL_FUNCDECL_SYS (mknodat, int,
|
|
(int fd, char const *file, mode_t mode, dev_t dev)
|
|
_GL_ARG_NONNULL ((2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (mknodat, int,
|
|
(int fd, char const *file, mode_t mode, dev_t dev));
|
|
_GL_CXXALIASWARN (mknodat);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef mknodat
|
|
# if HAVE_RAW_DECL_MKNODAT
|
|
_GL_WARN_ON_USE (mknodat, "mknodat is not portable - "
|
|
"use gnulib module mkfifoat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_STAT@
|
|
# if @REPLACE_STAT@
|
|
/* We can't use the object-like #define stat rpl_stat, because of
|
|
struct stat. This means that rpl_stat will not be used if the user
|
|
does (stat)(a,b). Oh well. */
|
|
# undef stat
|
|
# ifdef _LARGE_FILES
|
|
/* With _LARGE_FILES defined, AIX (only) defines stat to stat64,
|
|
so we have to replace stat64() instead of stat(). */
|
|
# define stat stat64
|
|
# undef stat64
|
|
# define stat64(name, st) rpl_stat (name, st)
|
|
# else /* !_LARGE_FILES */
|
|
# define stat(name, st) rpl_stat (name, st)
|
|
# endif /* !_LARGE_FILES */
|
|
_GL_EXTERN_C int stat (const char *name, struct stat *buf) _GL_ARG_NONNULL ((1, 2));
|
|
# endif
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef stat
|
|
# if HAVE_RAW_DECL_STAT
|
|
_GL_WARN_ON_USE (stat, "stat is unportable - "
|
|
"use gnulib module stat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#if @GNULIB_UTIMENSAT@
|
|
# if @REPLACE_UTIMENSAT@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef utimensat
|
|
# define utimensat rpl_utimensat
|
|
# endif
|
|
_GL_FUNCDECL_RPL (utimensat, int, (int fd, char const *name,
|
|
struct timespec const times[2], int flag)
|
|
_GL_ARG_NONNULL ((2)));
|
|
_GL_CXXALIAS_RPL (utimensat, int, (int fd, char const *name,
|
|
struct timespec const times[2], int flag));
|
|
# else
|
|
# if !@HAVE_UTIMENSAT@
|
|
_GL_FUNCDECL_SYS (utimensat, int, (int fd, char const *name,
|
|
struct timespec const times[2], int flag)
|
|
_GL_ARG_NONNULL ((2)));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (utimensat, int, (int fd, char const *name,
|
|
struct timespec const times[2], int flag));
|
|
# endif
|
|
_GL_CXXALIASWARN (utimensat);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef utimensat
|
|
# if HAVE_RAW_DECL_UTIMENSAT
|
|
_GL_WARN_ON_USE (utimensat, "utimensat is not portable - "
|
|
"use gnulib module utimensat for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#endif /* _GL_SYS_STAT_H */
|
|
#endif /* _GL_SYS_STAT_H */
|
|
#endif
|