strlcat.c

来自「newos is new operation system」· C语言 代码 · 共 29 行

/*
** Copyright 2002, Manuel J. Petit. All rights reserved.
** Distributed under the terms of the NewOS License.
*/

#include <string.h>
#include <sys/types.h>

size_t
strlcat(char *dst, char const *src, size_t s)
{
	size_t i;
	size_t j= strnlen(dst, s);

	if(!s) {
		return j+strlen(src);
	}

	dst+= j;

	for(i= 0; ((i< s-1) && src[i]); i++) {
		dst[i]= src[i];
	}

	dst[i]= 0;

	return j + i + strlen(src+i);
}