#include <string.h>

#include "test.h"

#define N(s, c) { \

	char *p = s; \

	char *q = strchr(p, c); \

	if (q) \

		error("strchr(%s,%s) returned str+%d, wanted 0\n", #s, #c, q-p); \

}

#define T(s, c, n) { \

	char *p = s; \

	char *q = strchr(p, c); \

	if (q == 0) \

		error("strchr(%s,%s) returned 0, wanted str+%d\n", #s, #c, n); \

	else if (q - p != n) \

		error("strchr(%s,%s) returned str+%d, wanted str+%d\n", #s, #c, q-p, n); \

}

int main(void)

{

	int i;

	char a[128];

	char s[256];

	for (i = 0; i < 128; i++)

		a[i] = (i+1) & 127;

	for (i = 0; i < 256; i++)

		*((unsigned char*)s+i) = i+1;

	N("", 'a')

	N("a", 'b')

	N("abc abc", 'x')

	N(a, 128)

	N(a, 255)

	T("", 0, 0)

	T("a", 'a', 0)

	T("a", 'a'+256, 0)

	T("a", 0, 1)

	T("abc abc", 'c', 2)

	T(s, 1, 0)

	T(s, 2, 1)

	T(s, 10, 9)

	T(s, 11, 10)

	T(s, 127, 126)

	T(s, 128, 127)

	T(s, 255, 254)

	T(s, 0, 255)

	return test_status;

}