Mercurial > gnulib
view lib/time_r.c @ 40215:88b18d82fa61
crypto/des: Fix undefined behaviour.
* lib/des.c (READ_64BIT_DATA): Cast bytes to 'unsigned int', to avoid
shift operations on 'int'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 09 Mar 2019 22:21:25 +0100 |
parents | b06060465f09 |
children |
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/* Reentrant time functions like localtime_r. Copyright (C) 2003, 2006-2007, 2010-2019 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 2, 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 Paul Eggert. */ #include <config.h> #include <time.h> static struct tm * copy_tm_result (struct tm *dest, struct tm const *src) { if (! src) return 0; *dest = *src; return dest; } struct tm * gmtime_r (time_t const * restrict t, struct tm * restrict tp) { return copy_tm_result (tp, gmtime (t)); } struct tm * localtime_r (time_t const * restrict t, struct tm * restrict tp) { return copy_tm_result (tp, localtime (t)); }