Files
oldlinux-files/gnu/glibc/glibc-1.05.tar/glibc-1.05/time/asctime.c
2024-02-19 00:24:47 -05:00

48 lines
1.5 KiB
C

/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <localeinfo.h>
#include <errno.h>
#include <stdio.h>
#include <time.h>
/* Returns a string of the form "Day Mon dd hh:mm:ss yyyy\n"
which is the representation of TP in that form. */
char *
DEFUN(asctime, (tp), CONST struct tm *tp)
{
static char result[26];
if (tp == NULL)
{
errno = EINVAL;
return(NULL);
}
if (sprintf(result, "%.3s %.3s %2d %.2d:%.2d:%.2d %d\n",
_time_info->abbrev_wkday[tp->tm_wday],
_time_info->abbrev_month[tp->tm_mon],
tp->tm_mday, tp->tm_hour, tp->tm_min,
tp->tm_sec, 1900 + tp->tm_year) != sizeof(result) - 1)
return(NULL);
return(result);
}