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70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/* Reentrant time functions like localtime_r.
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Copyright (C) 2003 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Written by Paul Eggert. */
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "time_r.h"
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#include <string.h>
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static char *
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copy_string_result (char *dest, char const *src)
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{
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if (! src)
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return 0;
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return strcpy (dest, src);
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}
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static struct tm *
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copy_tm_result (struct tm *dest, struct tm const *src)
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{
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if (! src)
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return 0;
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*dest = *src;
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return dest;
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}
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char *
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asctime_r (struct tm const * restrict tm, char * restrict buf)
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{
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return copy_string_result (buf, asctime (tm));
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}
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char *
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ctime_r (time_t const *t, char *buf)
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{
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return copy_string_result (buf, ctime (t));
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}
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struct tm *
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gmtime_r (time_t const * restrict t, struct tm * restrict tp)
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{
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return copy_tm_result (tp, gmtime (t));
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}
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struct tm *
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localtime_r (time_t const * restrict t, struct tm * restrict tp)
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{
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return copy_tm_result (tp, localtime (t));
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}
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