strftime.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

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 *									*
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 *		Digital Equipment Corporation, Maynard, MA		*
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 *			   Siemens AG, FR Germany			*
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 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
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 *   Equipment Corporation.						*
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 *   Digital assumes no responsibility for the use  or  reliability	*
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#ifndef lint
static char Sccsid[] = "@(#)strftime.c	4.1	(ULTRIX)	7/3/90";
#endif

/*LINTLIBRARY*/
/*
 * strftime.c
 *
 *	ANSI international time function
 */

#include "i_defs.h"
#include "locale.h"
#include "i_errno.h"
#include <time.h>

/*
 * strftime -- ANSI international time function
 *
 * SYNOPSIS:
 *	size_t
 *	strftime(s, maxsize, format, timeptr);
 *	char *s;
 *	size_t maxsize;
 * 	const char *format;
 *	const struct tm *timeptr;
 *
 * DESCRIPTION:
 *	The ANSI strftime function.
 *
 * RETURNS:
 *	The length of the returned string or 0 on error.
 */

size_t
strftime(s, maxsize, format, timeptr)
char *s;
int maxsize;
char *format;
struct tm *timeptr;
{
	/*
	 * quick check for args
	 */

	if (format == (char *)0)
		return 0;

	return ((size_t)_asctime(s, maxsize, format, timeptr, _lc_strtab[LC_TIME]));
}