TensorRT-LLMs/cpp/tensorrt_llm/common/stringUtils.cpp
Yihan Wang 9df4dad3b6
[None][fix] Introduce inline namespace to avoid symbol collision (#9541)
Signed-off-by: Yihan Wang <yihwang@nvidia.com>
2025-12-12 23:32:15 +08:00

82 lines
2.1 KiB
C++

/*
* Copyright (c) 2022-2024, NVIDIA CORPORATION. All rights reserved.
*
* 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.
*/
#include "tensorrt_llm/common/stringUtils.h"
#include "tensorrt_llm/common/assert.h"
#include "tensorrt_llm/common/config.h"
#include <cerrno>
#include <cstdarg>
#include <cstring>
#include <iostream>
#include <string>
TRTLLM_NAMESPACE_BEGIN
namespace common
{
void fmtstr_(char const* format, fmtstr_allocator alloc, void* target, va_list args)
{
va_list args0;
va_copy(args0, args);
size_t constexpr init_size = 2048;
char fixed_buffer[init_size];
auto const size = std::vsnprintf(fixed_buffer, init_size, format, args0);
va_end(args0);
TLLM_CHECK_WITH_INFO(size >= 0, std::string(std::strerror(errno)));
if (size == 0)
{
return;
}
auto* memory = alloc(target, size);
if (static_cast<size_t>(size) < init_size)
{
std::memcpy(memory, fixed_buffer, size + 1);
}
else
{
auto const size2 = std::vsnprintf(memory, size + 1, format, args);
TLLM_CHECK_WITH_INFO(size2 == size, std::string(std::strerror(errno)));
}
}
std::unordered_set<std::string> str2set(std::string const& input, char delimiter)
{
std::unordered_set<std::string> values;
if (!input.empty())
{
std::stringstream valStream(input);
std::string val;
while (std::getline(valStream, val, delimiter))
{
if (!val.empty())
{
values.insert(val);
}
}
}
return values;
};
} // namespace common
TRTLLM_NAMESPACE_END