* fhandler_proc.cc (format_proc_cygdrive): Fix symlink path if cygdrive

is "/".
2014-10-24 19:08:55 +00:00
parent 36e14a881e
commit e91c2f80ba
2 changed files with 7 additions and 1 deletions
--- a/winsup/cygwin/fhandler_proc.cc
+++ b/winsup/cygwin/fhandler_proc.cc
@ -1360,7 +1360,8 @@ format_proc_cygdrive (void *, char *&destbuf)
 {
  destbuf = (char *) crealloc_abort (destbuf, mount_table->cygdrive_len + 1);
  char *dend = stpcpy (destbuf, mount_table->cygdrive);
-  *--dend = '\0';
+  if (dend > destbuf + 1)	/* cygdrive != "/"? */
+    *--dend = '\0';
  return dend - destbuf;
 }