Files
RedBear-OS/recipes/core/relibc/tests/string/mem.c
T

49 lines
1.5 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#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, 51);
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");
}