Mercurial > gnulib
view lib/futimens.c @ 40212:8da9577294da
unistr/*, uniconv/*: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size.
* lib/unistr/u-cpy-alloc.h (FUNC): Likewise.
* lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise.
* lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 09 Mar 2019 00:01:47 +0100 |
parents | b06060465f09 |
children |
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/* Set the access and modification time of an open fd. Copyright (C) 2009-2019 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 <https://www.gnu.org/licenses/>. */ /* written by Eric Blake */ #include <config.h> #include <sys/stat.h> #include "utimens.h" /* Set the access and modification timestamps of FD to be TIMESPEC[0] and TIMESPEC[1], respectively. Fail with ENOSYS on systems without futimes (or equivalent). If TIMESPEC is null, set the timestamps to the current time. Return 0 on success, -1 (setting errno) on failure. */ int futimens (int fd, struct timespec const times[2]) { /* fdutimens also works around bugs in native futimens, when running with glibc compiled against newer headers but on a Linux kernel older than 2.6.32. */ return fdutimens (fd, NULL, times); }