blob: f0065bb3c03d11abd6ad33f8f3aeff9b97140783 [file] [log] [blame]
//
// Copyright 2019 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// system_utils: Defines common utility functions
#include "util/test_utils.h"
#include <cstring>
#include <fstream>
namespace angle
{
bool CreateTemporaryFile(char *tempFileNameOut, uint32_t maxFileNameLen)
{
constexpr uint32_t kMaxPath = 1000u;
char tempPath[kMaxPath];
if (!GetTempDir(tempPath, kMaxPath))
return false;
return CreateTemporaryFileInDir(tempPath, tempFileNameOut, maxFileNameLen);
}
bool GetFileSize(const char *filePath, uint32_t *sizeOut)
{
std::ifstream stream(filePath);
if (!stream)
{
return false;
}
stream.seekg(0, std::ios::end);
*sizeOut = static_cast<uint32_t>(stream.tellg());
return true;
}
bool ReadEntireFileToString(const char *filePath, char *contentsOut, uint32_t maxLen)
{
std::ifstream stream(filePath);
if (!stream)
{
return false;
}
std::string contents;
stream.seekg(0, std::ios::end);
contents.reserve(static_cast<unsigned int>(stream.tellg()));
stream.seekg(0, std::ios::beg);
contents.assign((std::istreambuf_iterator<char>(stream)), std::istreambuf_iterator<char>());
strncpy(contentsOut, contents.c_str(), maxLen);
return true;
}
// static
Process::~Process() = default;
ProcessHandle::ProcessHandle() : mProcess(nullptr) {}
ProcessHandle::ProcessHandle(Process *process) : mProcess(process) {}
ProcessHandle::ProcessHandle(const std::vector<const char *> &args,
ProcessOutputCapture captureOutput)
: mProcess(LaunchProcess(args, captureOutput))
{}
ProcessHandle::~ProcessHandle()
{
reset();
}
ProcessHandle::ProcessHandle(ProcessHandle &&other) : mProcess(other.mProcess)
{
other.mProcess = nullptr;
}
ProcessHandle &ProcessHandle::operator=(ProcessHandle &&rhs)
{
std::swap(mProcess, rhs.mProcess);
return *this;
}
void ProcessHandle::reset()
{
if (mProcess)
{
delete mProcess;
mProcess = nullptr;
}
}
} // namespace angle