/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
int
libsimple_strnstarts(const char *s_, const char *t, size_t n)
{
char *s = *(char **)(void *)&s_;
size_t len = strlen(t);
n = strnlen(s, n);
if (n < len)
return 0;
return !strncmp(s, t, len);
}
#else
#include "test.h"
int
main(void)
{
size_t n, i, j;
char buf[10];
for (n = 0; n <= 8; n++) {
assert(libsimple_strnstarts("abcABC", "", n) == 1);
assert(libsimple_strnstarts("ABCabc", "", n) == 1);
assert(libsimple_strnstarts("123456", "", n) == 1);
for (i = 0; i < 7; i++) {
for (j = 1; j < 8 - i; j++) {
strcpy(buf, &"abcABCx"[i])[j] = '\0';
assert(libsimple_strnstarts("abcABC", buf, n) == (i == 0 && j < 7 && n >= j));
assert(libsimple_strnstarts("ABCabc", buf, n) == (i == 3 && j < 4 && n >= j));
strcpy(buf, &"ABCabcx"[i])[j] = '\0';
assert(libsimple_strnstarts("abcABC", buf, n) == (i == 3 && j < 4 && n >= j));
assert(libsimple_strnstarts("ABCabc", buf, n) == (i == 0 && j < 7 && n >= j));
strcpy(buf, &"1234567"[i])[j] = '\0';
assert(libsimple_strnstarts("123456", buf, n) == (i == 0 && j < 7 && n >= j));
assert(libsimple_strnstarts("zzzzzz", buf, n) == 0);
strcpy(buf, &"aaaaaaa"[i])[j] = '\0';
assert(libsimple_strnstarts("zzzzzz", buf, n) == 0);
}
}
}
return 0;
}
#endif
