md5, sha1, sha256, sha512: add gl_SET_CRYPTO_CHECK_DEFAULT

[gnulib.git] / lib / openat.h

diff --git a/lib/openat.h b/lib/openat.h
index b5e4f11..7208f44 100644 (file)
--- a/lib/openat.h
+++ b/lib/openat.h
@@ -1,5 +1,5 @@
 /* provide a replacement openat function
-   Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2004-2006, 2008-2013 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
@@ -16,64 +16,25 @@
 
 /* written by Jim Meyering */
 
+#ifndef _GL_HEADER_OPENAT
+#define _GL_HEADER_OPENAT
+
 #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
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
 #endif
+_GL_INLINE_HEADER_BEGIN
 
-#ifdef __OPENAT_PREFIX
+#if !HAVE_OPENAT
 
-# 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);
+                       int *cwd_errno);
 bool openat_needs_fchdir (void);
 
 #else
@@ -84,43 +45,79 @@ bool openat_needs_fchdir (void);
 
 #endif
 
-#if HAVE_OPENAT && ! LSTAT_FOLLOWS_SLASHED_SYMLINK
-int rpl_fstatat (int fd, char const *file, struct stat *st, int flag);
-# if !COMPILING_FSTATAT
-#  undef fstatat
-#  define fstatat rpl_fstatat
-# endif
-#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);
+_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).  */
-static inline int
+
+#if GNULIB_FCHOWNAT
+
+# ifndef FCHOWNAT_INLINE
+#  define FCHOWNAT_INLINE _GL_INLINE
+# endif
+
+FCHOWNAT_INLINE int
 chownat (int fd, char const *file, uid_t owner, gid_t group)
 {
   return fchownat (fd, file, owner, group, 0);
 }
 
-static inline int
+FCHOWNAT_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
+#endif
+
+#if GNULIB_FCHMODAT
+
+# ifndef FCHMODAT_INLINE
+#  define FCHMODAT_INLINE _GL_INLINE
+# endif
+
+FCHMODAT_INLINE int
 chmodat (int fd, char const *file, mode_t mode)
 {
   return fchmodat (fd, file, mode, 0);
 }
 
-static inline int
+FCHMODAT_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
+
+STATAT_INLINE int
+statat (int fd, char const *name, struct stat *st)
+{
+  return fstatat (fd, name, st, 0);
+}
+
+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 */