faccessat: new module

[gnulib.git] / lib / unistd.in.h

diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index e6db70b..d635e79 100644 (file)
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -106,6 +106,15 @@
 # define STDERR_FILENO 2
 #endif
 
+/* Ensure *_OK functions exist.  */
+#ifndef F_OK
+# define F_OK 0
+# define X_OK 1
+# define W_OK 2
+# define R_OK 4
+#endif
+
+
 /* Declare overridden functions.  */
 
 #ifdef __cplusplus
@@ -163,6 +172,19 @@ int unlinkat (int fd, char const *file, int flag);
 #endif /* @GNULIB_OPENAT@ */
 
 
+#if @GNULIB_FACCESSAT@
+# if !@HAVE_FACCESSAT@
+int faccessat (int fd, char const *file, int mode, int flag);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef faccessat
+# define faccessat(d,n,m,f)                        \
+    (GL_LINK_WARNING ("faccessat is not portable - " \
+                      "use gnulib module faccessat for portability"), \
+     fchownat (d, n, m, f))
+#endif
+
+
 #if @GNULIB_CLOSE@
 # if @REPLACE_CLOSE@
 /* Automatically included by modules that need a replacement for close.  */