diff options
Diffstat (limited to 'lib/openat.h')
-rw-r--r-- | lib/openat.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/lib/openat.h b/lib/openat.h deleted file mode 100644 index 9eca973b5..000000000 --- a/lib/openat.h +++ /dev/null @@ -1,119 +0,0 @@ -/* provide a replacement openat function - Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* written by Jim Meyering */ - -#include <fcntl.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <dirent.h> -#include <unistd.h> -#include <stdbool.h> - -#ifndef __attribute__ -# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__ -# define __attribute__(x) /* empty */ -# endif -#endif - -#ifndef ATTRIBUTE_NORETURN -# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) -#endif - -/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its - value exceeds INT_MAX, so its use as an int doesn't conform to the - C standard, and GCC and Sun C complain in some cases. If the bug - is present, undef AT_FDCWD here, so it can be redefined below. */ -#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553 -# undef AT_FDCWD -#endif - -/* Use the same bit pattern as Solaris 9, but with the proper - signedness. The bit pattern is important, in case this actually is - Solaris with the above workaround. */ -#ifndef AT_FDCWD -# define AT_FDCWD (-3041965) -#endif - -/* Use the same values as Solaris 9. This shouldn't matter, but - there's no real reason to differ. */ -#ifndef AT_SYMLINK_NOFOLLOW -# define AT_SYMLINK_NOFOLLOW 4096 -# define AT_REMOVEDIR 1 -#endif - -#ifdef __OPENAT_PREFIX - -# undef openat -# define __OPENAT_CONCAT(x, y) x ## y -# define __OPENAT_XCONCAT(x, y) __OPENAT_CONCAT (x, y) -# define __OPENAT_ID(y) __OPENAT_XCONCAT (__OPENAT_PREFIX, y) -# define openat __OPENAT_ID (openat) -int openat (int fd, char const *file, int flags, /* mode_t mode */ ...); -int openat_permissive (int fd, char const *file, int flags, mode_t mode, - int *cwd_errno); -# if ! HAVE_FDOPENDIR -# define fdopendir __OPENAT_ID (fdopendir) -# endif -DIR *fdopendir (int fd); -# define fstatat __OPENAT_ID (fstatat) -int fstatat (int fd, char const *file, struct stat *st, int flag); -# define unlinkat __OPENAT_ID (unlinkat) -int unlinkat (int fd, char const *file, int flag); -bool openat_needs_fchdir (void); - -#else - -# define openat_permissive(Fd, File, Flags, Mode, Cwd_errno) \ - openat (Fd, File, Flags, Mode) -# define openat_needs_fchdir() false - -#endif - -int mkdirat (int fd, char const *file, mode_t mode); -void openat_restore_fail (int) ATTRIBUTE_NORETURN; -void openat_save_fail (int) ATTRIBUTE_NORETURN; -int fchmodat (int fd, char const *file, mode_t mode, int flag); -int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag); - -/* Using these function names makes application code - slightly more readable than it would be with - fchownat (..., 0) or fchownat (..., AT_SYMLINK_NOFOLLOW). */ -static inline int -chownat (int fd, char const *file, uid_t owner, gid_t group) -{ - return fchownat (fd, file, owner, group, 0); -} - -static inline int -lchownat (int fd, char const *file, uid_t owner, gid_t group) -{ - return fchownat (fd, file, owner, group, AT_SYMLINK_NOFOLLOW); -} - -static inline int -chmodat (int fd, char const *file, mode_t mode) -{ - return fchmodat (fd, file, mode, 0); -} - -static inline int -lchmodat (int fd, char const *file, mode_t mode) -{ - return fchmodat (fd, file, mode, AT_SYMLINK_NOFOLLOW); -} |