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916a35dd0a
Also includes moving these two (and some helpers) to common/system_utils.h Bug: angleproject:5095 Change-Id: I7d2fcbd27a67dc13215265ac5b5e8391b15a980b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3733519 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Eddie Hatfield <eddiehatfield@google.com> Reviewed-by: Cody Northrop <cnorthrop@google.com>
83 lines
1.7 KiB
C++
83 lines
1.7 KiB
C++
//
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// Copyright 2019 The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// system_utils: Defines common utility functions
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#include "util/test_utils.h"
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#include <cstring>
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#include <fstream>
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namespace angle
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{
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bool GetFileSize(const char *filePath, uint32_t *sizeOut)
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{
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std::ifstream stream(filePath);
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if (!stream)
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{
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return false;
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}
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stream.seekg(0, std::ios::end);
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*sizeOut = static_cast<uint32_t>(stream.tellg());
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return true;
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}
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bool ReadEntireFileToString(const char *filePath, std::string *contentsOut)
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{
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std::ifstream stream(filePath);
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if (!stream)
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{
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return false;
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}
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stream.seekg(0, std::ios::end);
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contentsOut->reserve(static_cast<unsigned int>(stream.tellg()));
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stream.seekg(0, std::ios::beg);
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contentsOut->assign((std::istreambuf_iterator<char>(stream)), std::istreambuf_iterator<char>());
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return true;
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}
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// static
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Process::~Process() = default;
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ProcessHandle::ProcessHandle() : mProcess(nullptr) {}
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ProcessHandle::ProcessHandle(Process *process) : mProcess(process) {}
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ProcessHandle::ProcessHandle(const std::vector<const char *> &args,
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ProcessOutputCapture captureOutput)
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: mProcess(LaunchProcess(args, captureOutput))
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{}
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ProcessHandle::~ProcessHandle()
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{
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reset();
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}
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ProcessHandle::ProcessHandle(ProcessHandle &&other) : mProcess(other.mProcess)
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{
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other.mProcess = nullptr;
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}
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ProcessHandle &ProcessHandle::operator=(ProcessHandle &&rhs)
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{
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std::swap(mProcess, rhs.mProcess);
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return *this;
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}
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void ProcessHandle::reset()
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{
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if (mProcess)
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{
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delete mProcess;
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mProcess = nullptr;
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}
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}
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} // namespace angle
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