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/*
* Copyright 2024 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* A simple interface for simdutf library to allow old functions to work properly
*/
#include "config.h"
#include "simdutf.h"
extern "C" {
const simdutf::implementation *impl{nullptr};
const simdutf::implementation *ref_impl{nullptr};
void rspamd_fast_utf8_library_init(unsigned flags)
{
impl = simdutf::get_active_implementation();
auto all_impls = simdutf::get_available_implementations();
for (auto &i: all_impls) {
if (i->name() == "fallback") {
ref_impl = i;
break;
}
}
}
off_t rspamd_fast_utf8_validate(const unsigned char *data, size_t len)
{
auto res = impl->validate_utf8_with_errors((const char *) data, len);
if (res.error == simdutf::error_code::SUCCESS) {
return 0;
}
return res.count + 1;// We need to return offset for the first invalid character
}
off_t rspamd_fast_utf8_validate_ref(const unsigned char *data, size_t len)
{
auto res = ref_impl->validate_utf8_with_errors((const char *) data, len);
if (res.error == simdutf::error_code::SUCCESS) {
return 0;
}
return res.count + 1;// We need to return offset for the first invalid character
}
const char *rspamd_fast_utf8_library_impl_name(void)
{
static auto impl_name = std::string{};
if (impl_name.empty()) {
impl_name = impl->name() + "(" + impl->description() + ")";
}
return impl_name.c_str();
}
}
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