Update to upstream bash 4.2

This upgrades bash to from 4.1-rc to 4.2-release. See CWRU/changelog for
changes.

Change-Id: I926269c300cf44fa25964b5b375a148fcf11c4b7

1 files changed, 70 insertions, 0 deletions

diff --git a/lib/sh/dprintf.c b/lib/sh/dprintf.c
new file mode 100644
index 0000000..b3b5d64
--- /dev/null
+++ b/lib/sh/dprintf.c
@@ -0,0 +1,70 @@
+/* dprintf -- printf to a file descriptor */
+
+/* Copyright (C) 2008-2010 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash 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 3 of the License, or
+   (at your option) any later version.
+
+   Bash 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 Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+                                 
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdc.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#if defined (PREFER_STDARG)
+#  include <stdarg.h>
+#else
+#  include <varargs.h>
+#endif
+
+#include <stdio.h>
+
+int
+#if defined (PREFER_STDARG)
+dprintf(int fd, const char *format, ...)
+#else
+dprintf(fd, format, va_alist)
+     int fd;
+     const char *format;
+     va_dcl
+#endif
+{
+  FILE *fp;
+  int fd2, rc, r2;
+  va_list args;
+
+  if ((fd2 = dup(fd)) < 0)
+    return -1;
+  fp = fdopen (fd2, "w");
+  if (fp == 0)
+    {
+      close (fd2);
+      return -1;
+    }
+
+  SH_VA_START (args, format);
+  rc = vfprintf (fp, format, args);
+  fflush (fp);
+  va_end (args);
+
+  r2 = fclose (fp);	/* check here */
+
+  return rc;
+}