1 files changed, 27 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libunix/rename.c b/gnu/libexec/uucp/libunix/rename.c
new file mode 100644
index 000000000000..0947ef5cfaeb
--- /dev/null
+++ b/gnu/libexec/uucp/libunix/rename.c
@@ -0,0 +1,27 @@
+/* rename.c
+   Rename a file to a new name (Unix specific implementation).  */
+
+#include "uucp.h"
+
+#include "sysdep.h"
+
+#include <errno.h>
+
+/* This implementation will not work on directories, but fortunately
+   we never want to rename directories.  */
+
+int
+rename (zfrom, zto)
+     const char *zfrom;
+     const char *zto;
+{
+  if (link (zfrom, zto) < 0)
+    {
+      if (errno != EEXIST)
+	return -1;
+      if (unlink (zto) < 0
+	  || link (zfrom, zto) < 0)
+	return -1;
+    }
+  return unlink (zfrom);
+}