#include "imports.h"

void usleep(u32 time) {
    ((void (*const)(u32))0x050564E4)(time);
}

void* memset(void* dst, int val, size_t size) {
    char* _dst = dst;

    int i;
    for(i = 0; i < size; i++)
        _dst[i] = val;

    return dst;
}

void* (*const _memcpy)(void* dst, void* src, int size) = (void*)0x05054E54;

void* memcpy(void* dst, const void* src, size_t size) {
    return _memcpy(dst, (void*)src, size);
}

int strlen(const char* str) {
    unsigned int i = 0;
    while (str[i]) {
        i++;
    }
    return i;
}

int strncmp( const char * s1, const char * s2, size_t n ) {
    while ( n && *s1 && ( *s1 == *s2 ) ) {
        ++s1;
        ++s2;
        --n;
    }
    if ( n == 0 ) {
        return 0;
    } else {
        return ( *(unsigned char *)s1 - *(unsigned char *)s2 );
    }
}

// Function to implement strncat() function in C
char* strncat(char* destination, const char* source, size_t num) {
    // make ptr point to the end of destination string
    char* ptr = destination + strlen(destination);

    // Appends characters of source to the destination string
    while (*source != '\0' && num--)
        *ptr++ = *source++;

    // null terminate destination string
    *ptr = '\0';

    // destination string is returned by standard strncat()
    return destination;
}

char* strncpy(char* dst, const char* src, size_t size) {
    int i;
    for(i = 0; i < size; i++) {
        dst[i] = src[i];
        if(src[i] == '\0')
            return dst;
    }

    return dst;
}

int vsnprintf(char * s, size_t n, const char * format, va_list arg) {
    return ((int (*const)(char*, size_t, const char *, va_list))0x05055C40)(s, n, format, arg);
}