root/src/system/libroot/posix/string/strxfrm.cpp
/*
 * Copyright 2005, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
 * Copyright 2010, Oliver Tappe, zooey@hirschkaefer.de.
 * All rights reserved. Distributed under the terms of the MIT license.
 */

#include <errno.h>
#include <string.h>

#include <errno_private.h>
#include "LocaleBackend.h"


using BPrivate::Libroot::GetCurrentLocaleBackend;
using BPrivate::Libroot::LocaleBackend;
using BPrivate::Libroot::LocaleBackendData;


extern "C" size_t
strxfrm(char *out, const char *in, size_t size)
{
        LocaleBackend* backend = GetCurrentLocaleBackend();

        if (backend != NULL) {
                size_t outSize = 0;
                status_t status = backend->Strxfrm(out, in, size, outSize);

                if (status != B_OK)
                        __set_errno(EINVAL);

                return outSize;
        }

        return strlcpy(out, in, size);
}


extern "C" size_t
strxfrm_l(char *out, const char *in, size_t size, locale_t l)
{
        LocaleBackendData* locale = (LocaleBackendData*)l;
        LocaleBackend* backend = locale->backend;

        if (backend != NULL) {
                size_t outSize = 0;
                status_t status = backend->Strxfrm(out, in, size, outSize);

                if (status != B_OK)
                        __set_errno(EINVAL);

                return outSize;
        }

        return strlcpy(out, in, size);
}