size_t utf8towide(const char* input, size_t inputSize, wchar_t* target, size_t targetSize, int32_t* errors)
{
#if UTF8_WCHAR_UTF16
return utf8toutf16(input, inputSize, (utf16_t*)target, targetSize, errors);
#elif UTF8_WCHAR_UTF32
return utf8toutf32(input, inputSize, (unicode_t*)target, targetSize, errors);
#else
return SIZE_MAX;
#endif
}
PERF_TEST_F(BigConversion, Utf32)
{
int32_t e;
size_t ol = utf8toutf32(m_contents.c_str(), m_contents.length(), nullptr, 0, &e);
PERF_ASSERT(ol > 0);
PERF_ASSERT(e == UTF8_ERR_NONE);
if (ol > 0 &&
e == UTF8_ERR_NONE)
{
unicode_t* o = new unicode_t[(ol / sizeof(unicode_t)) + 1];
memset(o, 0, ol + sizeof(unicode_t));
utf8toutf32(m_contents.c_str(), m_contents.length(), o, ol, nullptr);
delete [] o;
}
}
int wind_utf8ucs4(const char *in, unsigned *out, unsigned *out_len)
{
const unsigned char *p;
size_t o = 0;
int ret;
for (p = (const unsigned char *)in; *p != '\0'; ++p) {
uint32_t u;
ret = utf8toutf32(&p, &u);
if (ret)
return ret;
if (out) {
if (o >= *out_len)
return WIND_ERR_OVERRUN;
out[o] = u;
}
o++;
}
*out_len = o;
return 0;
}
