* mktime.c (not_equal_tm): Remove redundant check.

[gnulib.git] / lib / lchown.c

diff --git a/lib/lchown.c b/lib/lchown.c
index 37320fb..b04fb36 100644 (file)
--- a/lib/lchown.c
+++ b/lib/lchown.c
@@ -22,46 +22,31 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-#include "lchown.h"
 
-#ifdef STAT_MACROS_BROKEN
-# undef S_ISLNK
-#endif
-
-#ifndef S_ISLNK
-# ifdef S_IFLNK
-#  define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
-# else
-#  define S_ISLNK(m) 0
-# endif
-#endif
+#include "lchown.h"
+#include "stat-macros.h"
 
 /* Declare chown to avoid a warning.  Don't include unistd.h,
    because it may have a conflicting prototype for lchown.  */
 int chown ();
 
 /* Work just like chown, except when FILE is a symbolic link.
-   In that case, set errno to ENOSYS and return -1.
+   In that case, set errno to EOPNOTSUPP and return -1.
    But if autoconf tests determined that chown modifies
    symlinks, then just call chown.  */
 
 int
 lchown (const char *file, uid_t uid, gid_t gid)
 {
-#if CHOWN_MODIFIES_SYMLINK
-  return chown (file, uid, gid);
-#else
+#if ! CHOWN_MODIFIES_SYMLINK
   struct stat stats;
 
   if (lstat (file, &stats) == 0 && S_ISLNK (stats.st_mode))
     {
-      errno = ENOSYS;
+      errno = EOPNOTSUPP;
       return -1;
     }
+#endif
 
   return chown (file, uid, gid);
-#endif
 }