#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

void test_strcmp(char *str, char *str2)
{
	printf("strcmp(%s, %s) = %i\n", str, str2, strcmp(str, str2));
}

void test_strncmp(char *str, char *str2, int size)
{
	printf("strncmp(%s, %s, %i) = %i\n", str, str2, size, strncmp(str, str2, size));
}

void test_strcasecmp(char *str, char *str2)
{
	printf("strcasecmp(%s, %s) = %i\n", str, str2, strcasecmp(str, str2));
}

void test_strchr(char *str, int c)
{
	printf("strchr(%s, %c) = %s\n", str, c, strchr(str, c));
}

void test_rindex(char *str, int c)
{
	printf("rindex(%s, %c) = %s\n", str, c, rindex(str, c));
}

void test_strstr(char *str, char *str2)
{
	strstr(str, str2);
	printf("strstr(%s, %s) = %s\n", str, str2, strstr(str, str2));
}

int main(int ac, char **av) {
	char *str = calloc(1024, 1);
	void *ptr = str;
	strcpy(str, "sahel est vraiment trop fort");
	size_t len = strlen(str);
	printf("len: %lu\n", len);

	for (size_t i = 0;i<10000;i++)
		test_strchr(str, i);
	test_strchr("", 0);
	test_strchr("", 'z');

	for (size_t i = 0;i<10000;i++)
		test_rindex(str, i);
	test_rindex("", 0);
	test_rindex("", 'z');

	char *save = memset(NULL, 0, 0);
	printf("memset null: %p\n", save);
	printf("memset (%%i): ");
	fflush(stdout);
	len = strlen(str);
	str = memset(str, '0', len);
	write(1, str, len);
	printf("\n");

	save = memcpy(NULL, NULL, 0);
	printf("memcpy null: %p\n", save);
	str = memcpy(str, "Sahel est vraiment trop fort", 28);
	printf("strcpy: %s\n", str);

	test_strcmp("abcdef", "abcdef");
	test_strcmp("abcdef", "000bcdef");
	test_strcmp("abcdef", "");
	test_strcmp("", "abcdef");
	test_strcmp("", "");
	test_strcmp("abcdef", "a");
	//memset(str, 0, 1024);
	fflush(stdout);
	str = memmove(str, str + 4, strlen(str + 4));
	printf("1memmove: %s\n", str);
	str = memmove(str + 4, str, strlen(str));
	printf("2memmove: %s\n", str);
	fflush(stdout);

	test_strncmp("abcdef", "abcdf", 4);
	test_strncmp("abcdef", "abcdf", 5);
	test_strncmp("abcdef", "abcdf", 0);
	test_strncmp(NULL, "", 0);
	test_strncmp("", NULL, 0);
	test_strncmp(NULL, NULL, 0);

	test_strcasecmp("ABCDEF", "ABCDEF");fflush(stdout);
	test_strcasecmp("ABCDEF", "abcdef");fflush(stdout);
	test_strcasecmp("", "ABCDEF");fflush(stdout);
	test_strcasecmp("", "");fflush(stdout);

	test_strstr("", "");
	test_strstr(str, "");
	test_strstr("", str);
	test_strstr(str, "V");
	test_strstr(str, "m");
	test_strstr(str, "cent");
	test_strstr(str, "est");
	test_strstr(str, "estz");
	test_strstr(str, "fort\0z");
	test_strstr("Un test incoryable!", "Un test incoryable!");
	fflush(stdout);

	printf("1strpbrk: %s\n", strpbrk(str, "a"));
	printf("2strpbrk: %s\n", strpbrk(str, "ze"));
	printf("3strpbrk: %s\n", strpbrk(str, "zzz"));
	printf("4strpbrk: %s\n", strpbrk(str, "cent"));
	printf("5strpbrk: %s\n", strpbrk(str, "e"));
	printf("6strpbrk: %s\n", strpbrk(str, ""));
	printf("7strpbrk: %s\n", strpbrk("", ""));
	fflush(stdout);
	printf("8strpbrk: %s\n", strpbrk(NULL, ""));
	//printf("8strpbrk: %s\n", strpbrk(NULL, NULL));
	fflush(stdout);
	printf("1strcspn %lu\n", strcspn(str, "Vincent"));
	printf("2strcspn %lu\n", strcspn(str, "bonjour je "));
	printf("3strcspn %lu\n", strcspn(str, "abcdefghijklmnoqrstuvwxyz "));
	printf("4strcspn %lu\n", strcspn(str, "a"));
	printf("5strcspn %lu\n", strcspn(str, "lolqsd"));
	printf("6strcspn %lu\n", strcspn(str, ""));
	printf("7strcspn %lu\n", strcspn("", "as"));
	printf("7strcspn %lu\n", strcspn("Je suis une chaine", "!*$"));
	printf("8strcspn %lu\n", strcspn("", ""));
	printf("9strcspn %lu\n", strcspn("", NULL));
	fflush(stdout);
	free(ptr);
}