#include "unicode.h"

#include <windows.h>

void ffStrbufSetNWS(FFstrbuf* result, uint32_t length, const wchar_t* source)
{
    if(!length)
    {
        ffStrbufClear(result);
        return;
    }

    int size_needed = WideCharToMultiByte(CP_UTF8, 0, source, (int)length, NULL, 0, NULL, NULL);
    ffStrbufEnsureFree(result, (uint32_t)size_needed);
    WideCharToMultiByte(CP_UTF8, 0, source, (int)length, result->chars, size_needed, NULL, NULL);
    result->length = (uint32_t)size_needed;
    result->chars[size_needed] = '\0';
}

void ffStrbufInitNWS(FFstrbuf* result, uint32_t length, const wchar_t* source)
{
    if(!length)
    {
        ffStrbufInit(result);
        return;
    }

    int size_needed = WideCharToMultiByte(CP_UTF8, 0, source, (int)length, NULL, 0, NULL, NULL);
    ffStrbufInitA(result, (uint32_t)size_needed + 1);
    WideCharToMultiByte(CP_UTF8, 0, source, (int)length, result->chars, size_needed, NULL, NULL);
    result->length = (uint32_t)size_needed;
    result->chars[size_needed] = '\0';
}