Mercurial > hg > octave-nkf > gnulib-hg
annotate lib/openat-safer.c @ 17935:0ad1f4c9eed5 default tip
tests: support stderr verification with returns_()
* tests/init.sh (returns_): Disable tracing for this wrapper
function, so that stderr of the wrapped command is unchanged,
allowing for verification of the contents.
| author | Pádraig Brady <P@draigBrady.com> |
|---|---|
| date | Mon, 16 Feb 2015 17:20:39 +0000 |
| parents | ab58d4870664 |
| children |
| rev | line source |
|---|---|
| 11937 | 1 /* Invoke openat, but avoid some glitches. |
| 2 | |
| 17848 | 3 Copyright (C) 2005-2006, 2008-2015 Free Software Foundation, Inc. |
| 11937 | 4 |
| 5 This program is free software: you can redistribute it and/or modify | |
| 6 it under the terms of the GNU General Public License as published by | |
| 7 the Free Software Foundation; either version 3 of the License, or | |
| 8 (at your option) any later version. | |
| 9 | |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
| 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 17 | |
| 18 /* Written by Paul Eggert for open, ported by Eric Blake for openat. */ | |
| 19 | |
| 20 #include <config.h> | |
| 21 | |
| 22 #include "fcntl-safer.h" | |
| 23 | |
| 24 #include <fcntl.h> | |
| 25 #include <stdarg.h> | |
| 26 #include "unistd-safer.h" | |
| 27 | |
| 28 int | |
| 29 openat_safer (int fd, char const *file, int flags, ...) | |
| 30 { | |
| 31 mode_t mode = 0; | |
| 32 | |
| 33 if (flags & O_CREAT) | |
| 34 { | |
| 35 va_list ap; | |
| 36 va_start (ap, flags); | |
| 37 | |
| 38 /* We have to use PROMOTED_MODE_T instead of mode_t, otherwise GCC 4 | |
|
12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
11942
diff
changeset
|
39 creates crashing code when 'mode_t' is smaller than 'int'. */ |
| 11937 | 40 mode = va_arg (ap, PROMOTED_MODE_T); |
| 41 | |
| 42 va_end (ap); | |
| 43 } | |
| 44 | |
| 45 return fd_safer (openat (fd, file, flags, mode)); | |
| 46 } |