X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ftmpfile-safer.c;h=2320f5d7345ec514141a8136faf334c88c43ac7f;hb=43593319b31e6b0175b8eec4433bac744959822d;hp=cd8dddf4cfa70ef14df900d950af697d82935f4e;hpb=0632e115747ff96e93330c88f536d7354a7ce507;p=gnulib.git diff --git a/lib/tmpfile-safer.c b/lib/tmpfile-safer.c index cd8dddf4c..2320f5d73 100644 --- a/lib/tmpfile-safer.c +++ b/lib/tmpfile-safer.c @@ -1,10 +1,10 @@ /* Invoke tmpfile, but avoid some glitches. - Copyright (C) 2006 Free Software Foundation, Inc. + Copyright (C) 2006, 2009-2013 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 @@ -12,8 +12,7 @@ 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 Eric Blake, based on ideas from Paul Eggert. */ @@ -27,10 +26,6 @@ #include "binary-io.h" -#ifndef STDERR_FILENO -# define STDERR_FILENO 2 -#endif - /* Like tmpfile, but do not return stdin, stdout, or stderr. Remember that tmpfile can leave files behind if your program calls _exit, @@ -46,28 +41,28 @@ tmpfile_safer (void) 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; - } - - /* Keep the temporary file in binary mode, on platforms - where that matters. */ - if (fclose (fp) != 0 - || ! (fp = fdopen (f, O_BINARY ? "wb+" : "w+"))) - { - 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; + } + + /* Keep the temporary file in binary mode, on platforms + where that matters. */ + if (fclose (fp) != 0 + || ! (fp = fdopen (f, O_BINARY ? "wb+" : "w+"))) + { + int e = errno; + close (f); + errno = e; + return NULL; + } + } } return fp;