X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fdup2.c;h=f128e7a63cd49ed58ecdcd0ce430beb8e17f6ecf;hb=fdd1b511c5c12912aae79b58e0c5f6ffa0492d6e;hp=36b339906761c85264df4b69108cb3c67759d6e9;hpb=cb83c6cb603abfa9cd8945013226e17c894309f2;p=gnulib.git

diff --git a/lib/dup2.c b/lib/dup2.c
index 36b339906..f128e7a63 100644
--- a/lib/dup2.c
+++ b/lib/dup2.c
@@ -1,6 +1,6 @@
 /* Duplicate an open file descriptor to a specified file descriptor.
 
-   Copyright (C) 1999, 2004-2007, 2009-2012 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2004-2007, 2009-2013 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
@@ -96,7 +96,11 @@ rpl_dup2 (int fd, int desired_fd)
   /* On Linux kernels 2.6.26-2.6.29, dup2 (fd, fd) returns -EBADF.
      On Cygwin 1.5.x, dup2 (1, 1) returns 0.
      On Cygwin 1.7.17, dup2 (1, -1) dumps core.
+     On Cygwin 1.7.25, dup2 (1, 256) can dump core.
      On Haiku, dup2 (fd, fd) mistakenly clears FD_CLOEXEC.  */
+#  if HAVE_SETDTABLESIZE
+  setdtablesize (desired_fd + 1);
+#  endif
   if (desired_fd < 0)
     fd = desired_fd;
   if (fd == desired_fd)