/* Invoke fopen, but avoid some glitches.
- Copyright (C) 2001 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ Copyright (C) 2001, 2004-2006, 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
- 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
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#include <unistd-safer.h>
+#include <config.h>
-#ifndef STDERR_FILENO
-# define STDERR_FILENO 2
-#endif
+#include "stdio-safer.h"
#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-
-#include <stdio.h>
-#include <stdio-safer.h>
+#include <unistd.h>
+#include "unistd-safer.h"
/* Like fopen, but do not return stdin, stdout, or stderr. */
int fd = fileno (fp);
if (0 <= fd && fd <= STDERR_FILENO)
- {
- int f = dup_safer (fd);
-
- if (f < 0)
- {
- int e = errno;
- fclose (fp);
- errno = e;
- return NULL;
- }
-
- if (fclose (fp) != 0
- || ! (fp = fdopen (f, mode)))
- {
- int e = errno;
- close (f);
- errno = e;
- return NULL;
- }
- }
+ {
+ int f = dup_safer (fd);
+
+ if (f < 0)
+ {
+ int e = errno;
+ fclose (fp);
+ errno = e;
+ return NULL;
+ }
+
+ if (fclose (fp) != 0
+ || ! (fp = fdopen (f, mode)))
+ {
+ int e = errno;
+ close (f);
+ errno = e;
+ return NULL;
+ }
+ }
}
return fp;