/* Invoke fopen, but avoid some glitches.
- Copyright (C) 2001, 2004, 2005, 2006 Free Software Foundation, Inc.
+ 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
#include <unistd.h>
#include "unistd-safer.h"
-#ifndef STDERR_FILENO
-# define STDERR_FILENO 2
-#endif
-
/* Like fopen, but do not return stdin, stdout, or stderr. */
FILE *
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;