From 29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:21:29 +0200 Subject: Adding upstream version 1:0.1.9998svn3589+dfsg. Signed-off-by: Daniel Baumann --- src/grep/lib/open-safer.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 src/grep/lib/open-safer.c (limited to 'src/grep/lib/open-safer.c') diff --git a/src/grep/lib/open-safer.c b/src/grep/lib/open-safer.c new file mode 100644 index 0000000..4bde6dd --- /dev/null +++ b/src/grep/lib/open-safer.c @@ -0,0 +1,46 @@ +/* Invoke open, but avoid some glitches. + + Copyright (C) 2005-2006, 2008-2021 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 . */ + +/* Written by Paul Eggert. */ + +#include + +#include "fcntl-safer.h" + +#include +#include +#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)); +} -- cgit v1.2.3