/* See LICENSE file for copyright and license details. */
#include "libsimple.h"


int
libsimple_memends(const void *s_, size_t n, const void *t_, size_t m)
{
	const char *s = s_, *t = t_;
	if (n < m)
		return 0;
	while (n--, m--)
		if (s[n] != t[m])
			return 0;
	return 1;
}


#ifdef TEST
#include <assert.h>

int
main(void)
{
	assert(libsimple_memends("", 0, "", 0) == 1);
	assert(libsimple_memends("test", 4, "", 0) == 1);
	assert(libsimple_memends("", 0, "test", 4) == 0);
	assert(libsimple_memends("test", 4, "test", 4) == 1);
	assert(libsimple_memends("test", 4, "test", 5) == 0);
	assert(libsimple_memends("test", 4, "testx", 5) == 0);
	assert(libsimple_memends("test", 4, "est", 3) == 1);
	assert(libsimple_memends("test", 4, "st", 2) == 1);
	assert(libsimple_memends("test", 4, "t", 1) == 1);
	assert(libsimple_memends("test", 4, "x", 1) == 0);
	assert(libsimple_memends("test", 4, "xx", 2) == 0);

	assert(libsimple_memends("TEST", 4, "", 0) == 1);
	assert(libsimple_memends("TEST", 4, "test", 4) == 0);
	assert(libsimple_memends("TEST", 4, "test", 5) == 0);
	assert(libsimple_memends("TEST", 4, "testx", 5) == 0);
	assert(libsimple_memends("TEST", 4, "est", 3) == 0);
	assert(libsimple_memends("TEST", 4, "st", 2) == 0);
	assert(libsimple_memends("TEST", 4, "t", 1) == 0);
	assert(libsimple_memends("TEST", 4, "x", 1) == 0);
	assert(libsimple_memends("TEST", 4, "xx", 2) == 0);

	assert(libsimple_memends("", 0, "TEST", 4) == 0);
	assert(libsimple_memends("test", 4, "TEST", 4) == 0);
	assert(libsimple_memends("test", 4, "TEST", 5) == 0);
	assert(libsimple_memends("test", 4, "TESTX", 5) == 0);
	assert(libsimple_memends("test", 4, "EST", 3) == 0);
	assert(libsimple_memends("test", 4, "ST", 2) == 0);
	assert(libsimple_memends("test", 4, "T", 1) == 0);
	assert(libsimple_memends("test", 4, "X", 1) == 0);
	assert(libsimple_memends("test", 4, "XX", 2) == 0);
	return 0;
}

#endif