#include "std/std.h"

size_t strlen(const char* str) {
    size_t len = 0;
    while (str[len])
        len++;
    return len;
}

int memcmp(const void *av, const void *bv, size_t size) {
    const unsigned char *a = (const unsigned char*) av;
    const unsigned char *b = (const unsigned char*) bv;

    for (size_t i = 0; i < size; i++) {
        if (a[i] < b[i]) {
            return -1;
        } else if (b[i] < a[i]) {
            return 1;
        }
    }

    return 0;
}

void* memset(void *bufv, int value, size_t size) {
    unsigned char* buf = (unsigned char*) buf;
    for (size_t i = 0; i < size; i++) {
        buf[i] = (unsigned char) value;
    }
    return bufv;
}

void* memcpy(void *destv, void *srcv, size_t size) {
    unsigned char *dest = (unsigned char*) destv;
    const unsigned char *src = (unsigned char*) srcv;

    for (size_t i = 0; i < size; i++) {
        dest[i] = src[i];
    }

    return destv;
}