strncpy.c

来自「T-kernel 的extension源代码」· C语言 代码 · 共 40 行

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	@(#)strncpy.c 
 *
 */

#include <basic.h>
#include <string.h>

char	*strncpy(char *dest, const char *src, size_t len)
{
	char	*dp = dest;

	while ( len > 0 ) {
		len--;
		if ( (*(dp++) = *(src++)) == '\0' ) {
			break;
		}
	}
	while ( len-- > 0 ) {
		*(dp++) = '\0';
	}

	return dest;
}