Imported Upstream version 8.17upstream/8.17

1 files changed, 57 insertions, 0 deletions

diff --git a/lib/symlink.c b/lib/symlink.c
new file mode 100644
index 00000000..642ca66b
--- /dev/null
+++ b/lib/symlink.c
@@ -0,0 +1,57 @@
+/* Stub for symlink().
+   Copyright (C) 2009-2012 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <unistd.h>
+
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+
+
+#if HAVE_SYMLINK
+
+# undef symlink
+
+/* Create a symlink, but reject trailing slash.  */
+int
+rpl_symlink (char const *contents, char const *name)
+{
+  size_t len = strlen (name);
+  if (len && name[len - 1] == '/')
+    {
+      struct stat st;
+      if (lstat (name, &st) == 0)
+        errno = EEXIST;
+      return -1;
+    }
+  return symlink (contents, name);
+}
+
+#else /* !HAVE_SYMLINK */
+
+/* The system does not support symlinks.  */
+int
+symlink (char const *contents _GL_UNUSED,
+         char const *name _GL_UNUSED)
+{
+  errno = ENOSYS;
+  return -1;
+}
+
+#endif /* !HAVE_SYMLINK */