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fe4bfd45fe
This PR condenses the namespaces in the tint/utils folder. Change-Id: I6b541a6383386346a0b11ba46074a5981fe75f66 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86028 Auto-Submit: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/tint/utils/io/tmpfile.h"
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#include <stdio.h>
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#include <cstdio>
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namespace tint::utils {
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namespace {
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std::string TmpFilePath(const std::string& ext) {
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char name[L_tmpnam];
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// As we're adding an extension, to ensure the file is really unique, try
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// creating it, failing if it already exists.
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while (tmpnam_s(name, L_tmpnam - 1) == 0) {
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std::string name_with_ext = std::string(name) + ext;
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FILE* f = nullptr;
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// The "x" arg forces the function to fail if the file already exists.
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fopen_s(&f, name_with_ext.c_str(), "wbx");
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if (f) {
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fclose(f);
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return name_with_ext;
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}
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}
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return {};
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}
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} // namespace
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TmpFile::TmpFile(std::string ext) : path_(TmpFilePath(ext)) {}
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TmpFile::~TmpFile() {
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if (!path_.empty()) {
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remove(path_.c_str());
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}
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}
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bool TmpFile::Append(const void* data, size_t size) const {
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FILE* file = nullptr;
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if (fopen_s(&file, path_.c_str(), "ab") != 0) {
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return false;
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}
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fwrite(data, size, 1, file);
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fclose(file);
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return true;
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}
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} // namespace tint::utils
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