/* Open a stream to a file.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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.
+ the Free Software Foundation; either version 3 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+/* If the user's config.h happens to include <stdio.h>, let it include only
+ the system's <stdio.h> here, so that orig_freopen doesn't recurse to
+ rpl_freopen. */
+#define __need_FILE
#include <config.h>
-/* Specification. */
+/* Get the original definition of freopen. It might be defined as a macro. */
#include <stdio.h>
+#undef __need_FILE
+
+static FILE *
+orig_freopen (const char *filename, const char *mode, FILE *stream)
+{
+ return freopen (filename, mode, stream);
+}
+
+/* Specification. */
+/* Write "stdio.h" here, not <stdio.h>, otherwise OSF/1 5.1 DTK cc eliminates
+ this include because of the preliminary #include <stdio.h> above. */
+#include "stdio.h"
#include <string.h>
FILE *
-freopen (const char *filename, const char *mode, FILE *stream)
-#undef freopen
+rpl_freopen (const char *filename, const char *mode, FILE *stream)
{
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
- if (strcmp (filename, "/dev/null") == 0)
+ if (filename != NULL && strcmp (filename, "/dev/null") == 0)
filename = "NUL";
#endif
- return freopen (filename, mode, stream);
+ return orig_freopen (filename, mode, stream);
}