* dtable.cc (dup2): Correct return value for no-op.

2009-07-21 13:29:00 +00:00
parent 3a88eb1446
commit a7b11fec84
2 changed files with 5 additions and 1 deletions
--- a/winsup/cygwin/dtable.cc
+++ b/winsup/cygwin/dtable.cc
@@ -621,7 +621,7 @@ dtable::dup2 (int oldfd, int newfd)

  if (newfd == oldfd)
    {
-      res = 0;
+      res = newfd;
      goto done;
    }