+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* written by Jim Meyering */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* The specification of these functions is in sys_stat.h. But we cannot
+ include this include file here, because on some systems, a
+ "#define lstat lstat64" is being used, and sys_stat.h deletes this
+ definition. */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <errno.h>
+
+#include "stat-macros.h"
+
+/* lstat works differently on Linux and Solaris systems. POSIX (see
+ `pathname resolution' in the glossary) requires that programs like
+ `ls' take into consideration the fact that FILE has a trailing slash
+ when FILE is a symbolic link. On Linux and Solaris 10 systems, the
+ lstat function already has the desired semantics (in treating
+ `lstat ("symlink/", sbuf)' just like `lstat ("symlink/.", sbuf)',
+ but on Solaris 9 and earlier it does not.
+
+ If FILE has a trailing slash and specifies a symbolic link,
+ then use stat() to get more info on the referent of FILE.
+ If the referent is a non-directory, then set errno to ENOTDIR
+ and return -1. Otherwise, return stat's result. */
+
+int
+rpl_lstat (const char *file, struct stat *sbuf)
+{
+ size_t len;
+ int lstat_result = lstat (file, sbuf);
+
+ if (lstat_result != 0 || !S_ISLNK (sbuf->st_mode))
+ return lstat_result;
+
+ len = strlen (file);
+ if (len == 0 || file[len - 1] != '/')
+ return 0;
+
+ /* FILE refers to a symbolic link and the name ends with a slash.
+ Call stat() to get info about the link's referent. */
+
+ /* If stat fails, then we do the same. */
+ if (stat (file, sbuf) != 0)
+ return -1;
+
+ /* If FILE references a directory, return 0. */
+ if (S_ISDIR (sbuf->st_mode))
+ return 0;