fchdir: improve use of replacement functions

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

diff --git a/lib/sys_stat.in.h b/lib/sys_stat.in.h
index aeca760..869cb0f 100644 (file)
--- a/lib/sys_stat.in.h
+++ b/lib/sys_stat.in.h
@@ -1,5 +1,5 @@
 /* Provide a more complete sys/stat header file.
-   Copyright (C) 2005-2008 Free Software Foundation, Inc.
+   Copyright (C) 2005-2009 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
@@ -35,6 +35,9 @@
 
 #ifndef _GL_SYS_STAT_H
 
+/* Get nlink_t.  */
+#include <sys/types.h>
+
 /* The include_next requires a split double-inclusion guard.  */
 #@INCLUDE_NEXT@ @NEXT_SYS_STAT_H@
 
@@ -275,17 +278,101 @@
 # define S_IRWXUGO (S_IRWXU | S_IRWXG | S_IRWXO)
 #endif
 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#if @GNULIB_LSTAT@
+# if ! @HAVE_LSTAT@
 /* mingw does not support symlinks, therefore it does not have lstat.  But
    without links, stat does just fine.  */
-#if ! @HAVE_LSTAT@
-# define lstat stat
-#endif
-#if @GNULIB_LSTAT@ && @REPLACE_LSTAT@
-# undef lstat
-# define lstat rpl_lstat
+#  define lstat stat
+# elif @REPLACE_LSTAT@
+#  undef lstat
+#  define lstat rpl_lstat
 extern int rpl_lstat (const char *name, struct stat *buf);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef lstat
+# define lstat(p,b)                                                    \
+  (GL_LINK_WARNING ("lstat is unportable - "                           \
+                   "use gnulib module lstat for portability"),         \
+   lstat (p, b))
+#endif
+
+
+#if @GNULIB_FCHMODAT@
+# if !@HAVE_FCHMODAT@
+extern int fchmodat (int fd, char const *file, mode_t mode, int flag);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fchmodat
+# define fchmodat(d,n,m,f)                         \
+    (GL_LINK_WARNING ("fchmodat is not portable - " \
+                      "use gnulib module openat for portability"), \
+     fchmodat (d, n, m, f))
+#endif
+
+
+#if @GNULIB_FSTATAT@
+# if @REPLACE_FSTATAT@
+#  undef fstatat
+#  define fstatat rpl_fstatat
+# endif
+# if !@HAVE_FSTATAT@ || @REPLACE_FSTATAT@
+extern int fstatat (int fd, char const *name, struct stat *st, int flags);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fstatat
+# define fstatat(d,n,s,f)                         \
+    (GL_LINK_WARNING ("fstatat is not portable - " \
+                      "use gnulib module openat for portability"), \
+     fstatat (d, n, s, f))
+#endif
+
+
+#if @GNULIB_MKDIRAT@
+# if !@HAVE_MKDIRAT@
+extern int mkdirat (int fd, char const *file, mode_t mode);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef mkdirat
+# define mkdirat(d,n,m)                         \
+    (GL_LINK_WARNING ("mkdirat is not portable - " \
+                      "use gnulib module openat for portability"), \
+     mkdirat (d, n, m))
+#endif
+
+#if @GNULIB_MKFIFOAT@
+# if !@HAVE_MKFIFOAT@
+int mkfifoat (int fd, char const *file, mode_t mode);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef mkfifoat
+# define mkfifoat(d,n,m)                                    \
+    (GL_LINK_WARNING ("mkfifoat is not portable - " \
+                      "use gnulib module mkfifoat for portability"), \
+     mkfifoat (d, n, m))
 #endif
 
+#if @GNULIB_MKNODAT@
+# if !@HAVE_MKNODAT@
+int mknodat (int fd, char const *file, mode_t mode, dev_t dev);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef mknodat
+# define mknodat(f,n,m,d)                           \
+    (GL_LINK_WARNING ("mknodat is not portable - " \
+                      "use gnulib module mkfifoat for portability"), \
+     mknodat (f, n, m, d))
+#endif
+
+#if @REPLACE_FSTAT@
+# define fstat rpl_fstat
+extern int fstat (int fd, struct stat *buf);
+#endif
 
 #if @REPLACE_MKDIR@
 # undef mkdir
@@ -334,6 +421,12 @@ extern int lchmod (const char *filename, mode_t mode);
      lchmod (f, m))
 #endif
 
+
+#ifdef __cplusplus
+}
+#endif
+
+
 #endif /* _GL_SYS_STAT_H */
 #endif /* _GL_SYS_STAT_H */
 #endif