#include #include #include #include "test_helpers.h" int main(void) { puts("# mem #"); char arr[100]; memset(arr, 0, 100); // Compiler builtin, should work arr[50] = 1; if ((size_t)memchr((void *)arr, 1, 100) - (size_t)arr != 50) { puts("Incorrect memchr"); exit(EXIT_FAILURE); } puts("Correct memchr"); if ((size_t)memrchr((void *)arr, 1, 100) - (size_t)arr != 50) { puts("Incorrect memrchr"); exit(EXIT_FAILURE); } puts("Correct memrchr"); char arr2[51]; memset(arr2, 0, 51); // Compiler builtin, should work memccpy((void *)arr2, (void *)arr, 1, 100); if (arr[50] != 1) { puts("Incorrect memccpy"); exit(EXIT_FAILURE); } puts("Correct memccpy"); int res; if ((res = memcmp("hello world", "hello world", 11))) { printf("Incorrect memcmp (1), expected 0 found %d\n", res); exit(EXIT_FAILURE); } if ((res = memcmp("hello world", "hello worlt", 11)) >= 0) { printf("Incorrect memcmp (2), expected -, found %d\n", res); exit(EXIT_FAILURE); } if ((res = memcmp("hello world", "hallo world", 5)) <= 0) { printf("Incorrect memcmp (3), expected +, found %d\n", res); exit(EXIT_FAILURE); } if ((res = memcmp("hello world", "henlo world", 5)) >= 0) { printf("Incorrect memcmp (4), expected -, found %d\n", res); exit(EXIT_FAILURE); } puts("Correct memcmp"); }