usr/klibc/strlcat.c

/*
 * strlcat.c
 */

#include <string.h>
#include <klibc/compiler.h>

size_t strlcat(char *dst, const char *src, size_t size)
{
	size_t bytes = 0;
	char *q = dst;
	const char *p = src;
	char ch;

	while (bytes < size && *q) {
		q++;
		bytes++;
	}
	if (bytes == size)
		return (bytes + strlen(src));

	while ((ch = *p++)) {
		if (bytes + 1 < size)
			*q++ = ch;

		bytes++;
	}

	*q = '\0';
	return bytes;
}