1 files changed, 44 insertions, 0 deletions
diff --git a/lib/xrename.c b/lib/xrename.c
new file mode 100644
index 0000000..c840805
--- /dev/null
+++ b/lib/xrename.c
@@ -0,0 +1,44 @@
+/* xrename.c: conceptually rename with error checking.
+
+Copyright (C) 1992 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 2, 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, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "config.h"
+
+
+/* Copy FROM to TO, then unlink FROM.  It would probably be faster to
+   read and write buffers, but the files we use this for aren't big
+   enough for it to make a substantial difference.  */
+
+void
+xrename (string from, string to)
+{
+  int c;
+  FILE *input = xfopen (from, "r");
+  FILE *output = xfopen (to, "w");
+
+  while ((c = getc (input)) != EOF || !feof (input))
+    putc (c, output);
+
+  xfclose (input, from);
+  xfclose (output, to);
+
+  if (unlink (from) != 0)
+    {
+      fprintf (stderr, "warning: Could not unlink ");
+      perror (from);
+    }
+}