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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:37:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:37:10 +0000
commitc9addba5cc770d2d231b34f6739f32c6be8690f1 (patch)
treec643da154a95a1d163137135050bb47858a1654e /gl/lib/openat.h
parentInitial commit. (diff)
downloadman-db-c9addba5cc770d2d231b34f6739f32c6be8690f1.tar.xz
man-db-c9addba5cc770d2d231b34f6739f32c6be8690f1.zip
Adding upstream version 2.12.0.upstream/2.12.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gl/lib/openat.h')
-rw-r--r--gl/lib/openat.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/gl/lib/openat.h b/gl/lib/openat.h
new file mode 100644
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--- /dev/null
+++ b/gl/lib/openat.h
@@ -0,0 +1,127 @@
+/* provide a replacement openat function
+ Copyright (C) 2004-2006, 2008-2023 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 <https://www.gnu.org/licenses/>. */
+
+/* written by Jim Meyering */
+
+#ifndef _GL_HEADER_OPENAT
+#define _GL_HEADER_OPENAT
+
+/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, _Noreturn,
+ _GL_ATTRIBUTE_DEPRECATED, HAVE_OPENAT. */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
+#include <fcntl.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+_GL_INLINE_HEADER_BEGIN
+
+#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_CHOWNAT
+
+# ifndef CHOWNAT_INLINE
+# define CHOWNAT_INLINE _GL_INLINE
+# endif
+
+CHOWNAT_INLINE int
+chownat (int fd, char const *file, uid_t owner, gid_t group)
+{
+ return fchownat (fd, file, owner, group, 0);
+}
+
+CHOWNAT_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_CHMODAT
+
+# ifndef CHMODAT_INLINE
+# define CHMODAT_INLINE _GL_INLINE
+# endif
+
+CHMODAT_INLINE int
+chmodat (int fd, char const *file, mode_t mode)
+{
+ return fchmodat (fd, file, mode, 0);
+}
+
+CHMODAT_INLINE int
+lchmodat (int fd, char const *file, mode_t mode)
+{
+ return fchmodat (fd, file, mode, AT_SYMLINK_NOFOLLOW);
+}
+
+#endif
+
+#if GNULIB_STATAT
+
+# ifndef STATAT_INLINE
+# define STATAT_INLINE _GL_INLINE
+# endif
+
+_GL_ATTRIBUTE_DEPRECATED
+STATAT_INLINE int
+statat (int fd, char const *name, struct stat *st)
+{
+ return fstatat (fd, name, st, 0);
+}
+
+_GL_ATTRIBUTE_DEPRECATED
+STATAT_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. */
+
+_GL_INLINE_HEADER_END
+
+#endif /* _GL_HEADER_OPENAT */