diff options
Diffstat (limited to 'gnulib/lib/openat.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/openat.h | 104 |
2 files changed, 104 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/openat.h b/gnulib/lib/openat.h new file mode 100644 index 0000000..eae86ce --- /dev/null +++ b/gnulib/lib/openat.h @@ -0,0 +1,104 @@ +/* provide a replacement openat function + Copyright (C) 2004-2006, 2008-2011 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ + +/* written by Jim Meyering */ + +#ifndef _GL_HEADER_OPENAT +#define _GL_HEADER_OPENAT + +#include <fcntl.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <stdbool.h> + +#if !HAVE_OPENAT + +int openat_permissive (int fd, char const *file, int flags, mode_t mode, + int *cwd_errno); +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 + +_Noreturn void openat_restore_fail (int); +_Noreturn void openat_save_fail (int); + +/* Using these function names makes application code + slightly more readable than it would be with + fchownat (..., 0) or fchownat (..., AT_SYMLINK_NOFOLLOW). */ + +#if GNULIB_FCHOWNAT + +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); +} + +#endif + +#if GNULIB_FCHMODAT + +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); +} + +#endif + +#if GNULIB_FSTATAT + +static inline int +statat (int fd, char const *name, struct stat *st) +{ + return fstatat (fd, name, st, 0); +} + +static inline int +lstatat (int fd, char const *name, struct stat *st) +{ + return fstatat (fd, name, st, AT_SYMLINK_NOFOLLOW); +} + +#endif + +/* For now, there are no wrappers named laccessat or leuidaccessat, + since gnulib doesn't support faccessat(,AT_SYMLINK_NOFOLLOW) and + since access rights on symlinks are of limited utility. Likewise, + wrappers are not provided for accessat or euidaccessat, so as to + avoid dragging in -lgen on some platforms. */ + +#endif /* _GL_HEADER_OPENAT */ |