X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffopen-safer.c;h=3c9e286ab69f155b36792d77abef05e22d039f31;hb=7ef6c64e210ac0979d7e8ac69bc5b5208c2405ab;hp=6825f9b9f21b4cc5db2d953b73a183c0f7424618;hpb=196a4d4693a1b50eb309df386dfb5a0f72169d88;p=gnulib.git diff --git a/lib/fopen-safer.c b/lib/fopen-safer.c index 6825f9b9f..3c9e286ab 100644 --- a/lib/fopen-safer.c +++ b/lib/fopen-safer.c @@ -1,10 +1,11 @@ /* 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, 2009-2014 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 @@ -12,31 +13,17 @@ 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 . */ /* Written by Paul Eggert. */ -#if HAVE_CONFIG_H -# include -#endif - -#if HAVE_UNISTD_H -# include -#endif -#include +#include -#ifndef STDERR_FILENO -# define STDERR_FILENO 2 -#endif +#include "stdio-safer.h" #include -#ifndef errno -extern int errno; -#endif - -#include -#include +#include +#include "unistd-safer.h" /* Like fopen, but do not return stdin, stdout, or stderr. */ @@ -50,26 +37,26 @@ fopen_safer (char const *file, char const *mode) 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;