Mercurial > hg > octave-shane > gnulib-hg
view lib/open-safer.c @ 17632:86af85d364e1 default tip
unistd: port readlink to Mac OS X 10.3.9
* lib/unistd.in.h (_GL_INCLUDING_UNISTD_H): New macro, to work
around self-include problem in Mac OS X 10.3.9 when combined with
readlink module. Problem reported by Klaus Zietler in
<http://bugs.gnu.org/16825>.
author | Paul Eggert <eggert@penguin.cs.ucla.edu> |
---|---|
date | Tue, 25 Feb 2014 11:16:27 -0800 |
parents | 344018b6e5d7 |
children |
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/* Invoke open, but avoid some glitches. Copyright (C) 2005-2006, 2008-2014 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 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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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, see <http://www.gnu.org/licenses/>. */ /* Written by Paul Eggert. */ #include <config.h> #include "fcntl-safer.h" #include <fcntl.h> #include <stdarg.h> #include "unistd-safer.h" int open_safer (char const *file, int flags, ...) { mode_t mode = 0; if (flags & O_CREAT) { va_list ap; va_start (ap, flags); /* We have to use PROMOTED_MODE_T instead of mode_t, otherwise GCC 4 creates crashing code when 'mode_t' is smaller than 'int'. */ mode = va_arg (ap, PROMOTED_MODE_T); va_end (ap); } return fd_safer (open (file, flags, mode)); }