X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffopen-safer.c;h=c0a1f16b763a20912568c3386e89d94031e09937;hb=0e9ef9b9c9cd7036960656c797f0567b742e7b80;hp=4f2ffa1b850c41058ee9d0f03ebaa9bf5da7d6fc;hpb=222b0486b7db1b09293e05512873d633440efcb3;p=gnulib.git diff --git a/lib/fopen-safer.c b/lib/fopen-safer.c index 4f2ffa1b8..c0a1f16b7 100644 --- a/lib/fopen-safer.c +++ b/lib/fopen-safer.c @@ -1,10 +1,11 @@ /* Invoke fopen, but avoid some glitches. - Copyright (C) 2001, 2004, 2005 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + Copyright (C) 2001, 2004-2006, 2009-2011 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 @@ -12,14 +13,11 @@ 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. */ + along with this program. If not, see . */ /* Written by Paul Eggert. */ -#ifdef HAVE_CONFIG_H -# include -#endif +#include #include "stdio-safer.h" @@ -27,10 +25,6 @@ #include #include "unistd-safer.h" -#ifndef STDERR_FILENO -# define STDERR_FILENO 2 -#endif - /* Like fopen, but do not return stdin, stdout, or stderr. */ FILE * @@ -43,26 +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;