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Diffstat (limited to 'include/clplumbing/mkstemp_mode.h')
-rw-r--r-- | include/clplumbing/mkstemp_mode.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/clplumbing/mkstemp_mode.h b/include/clplumbing/mkstemp_mode.h new file mode 100644 index 0000000..ff5f893 --- /dev/null +++ b/include/clplumbing/mkstemp_mode.h @@ -0,0 +1,34 @@ +/* + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * A slightly safer version of mkstemp(3) + * + * In this version, the file is initially created mode 0, (using umask) and + * then chmod-ed to the requested permissions after calling mkstemp(3). + * This guarantees that the file is not even momentarily open beyond the + * requested permissions. + * + * Return values: + * + * Like mkstemp, it returns the file descriptor of the open file, or -1 + * on error. + * + * In addition to the errno values documented for mkstemp(3), this functio + * can also fail with any of the errno values documented for chmod(2). + * + */ +int mkstemp_mode(char* template, mode_t requested_filemode); |