/thirdparty/breakpad/third_party/protobuf/protobuf/src/google/protobuf/testing/file.cc
http://github.com/tomahawk-player/tomahawk · C++ · 176 lines · 113 code · 23 blank · 40 comment · 38 complexity · 4db818e16e701a0be6d573e83ad33c52 MD5 · raw file
- // Protocol Buffers - Google's data interchange format
- // Copyright 2008 Google Inc. All rights reserved.
- // http://code.google.com/p/protobuf/
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- // Author: kenton@google.com (Kenton Varda)
- // emulates google3/file/base/file.cc
- #include <google/protobuf/testing/file.h>
- #include <stdio.h>
- #include <sys/stat.h>
- #include <sys/types.h>
- #ifdef _MSC_VER
- #define WIN32_LEAN_AND_MEAN // yeah, right
- #include <windows.h> // Find*File(). :(
- #include <io.h>
- #include <direct.h>
- #else
- #include <dirent.h>
- #include <unistd.h>
- #endif
- #include <errno.h>
- namespace google {
- namespace protobuf {
- #ifdef _WIN32
- #define mkdir(name, mode) mkdir(name)
- // Windows doesn't have symbolic links.
- #define lstat stat
- #ifndef F_OK
- #define F_OK 00 // not defined by MSVC for whatever reason
- #endif
- #endif
- bool File::Exists(const string& name) {
- return access(name.c_str(), F_OK) == 0;
- }
- bool File::ReadFileToString(const string& name, string* output) {
- char buffer[1024];
- FILE* file = fopen(name.c_str(), "rb");
- if (file == NULL) return false;
- while (true) {
- size_t n = fread(buffer, 1, sizeof(buffer), file);
- if (n <= 0) break;
- output->append(buffer, n);
- }
- int error = ferror(file);
- if (fclose(file) != 0) return false;
- return error == 0;
- }
- void File::ReadFileToStringOrDie(const string& name, string* output) {
- GOOGLE_CHECK(ReadFileToString(name, output)) << "Could not read: " << name;
- }
- void File::WriteStringToFileOrDie(const string& contents, const string& name) {
- FILE* file = fopen(name.c_str(), "wb");
- GOOGLE_CHECK(file != NULL)
- << "fopen(" << name << ", \"wb\"): " << strerror(errno);
- GOOGLE_CHECK_EQ(fwrite(contents.data(), 1, contents.size(), file),
- contents.size())
- << "fwrite(" << name << "): " << strerror(errno);
- GOOGLE_CHECK(fclose(file) == 0)
- << "fclose(" << name << "): " << strerror(errno);
- }
- bool File::CreateDir(const string& name, int mode) {
- return mkdir(name.c_str(), mode) == 0;
- }
- bool File::RecursivelyCreateDir(const string& path, int mode) {
- if (CreateDir(path, mode)) return true;
- if (Exists(path)) return false;
- // Try creating the parent.
- string::size_type slashpos = path.find_last_of('/');
- if (slashpos == string::npos) {
- // No parent given.
- return false;
- }
- return RecursivelyCreateDir(path.substr(0, slashpos), mode) &&
- CreateDir(path, mode);
- }
- void File::DeleteRecursively(const string& name,
- void* dummy1, void* dummy2) {
- // We don't care too much about error checking here since this is only used
- // in tests to delete temporary directories that are under /tmp anyway.
- #ifdef _MSC_VER
- // This interface is so weird.
- WIN32_FIND_DATA find_data;
- HANDLE find_handle = FindFirstFile((name + "/*").c_str(), &find_data);
- if (find_handle == INVALID_HANDLE_VALUE) {
- // Just delete it, whatever it is.
- DeleteFile(name.c_str());
- RemoveDirectory(name.c_str());
- return;
- }
- do {
- string entry_name = find_data.cFileName;
- if (entry_name != "." && entry_name != "..") {
- string path = name + "/" + entry_name;
- if (find_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
- DeleteRecursively(path, NULL, NULL);
- RemoveDirectory(path.c_str());
- } else {
- DeleteFile(path.c_str());
- }
- }
- } while(FindNextFile(find_handle, &find_data));
- FindClose(find_handle);
- RemoveDirectory(name.c_str());
- #else
- // Use opendir()! Yay!
- // lstat = Don't follow symbolic links.
- struct stat stats;
- if (lstat(name.c_str(), &stats) != 0) return;
- if (S_ISDIR(stats.st_mode)) {
- DIR* dir = opendir(name.c_str());
- if (dir != NULL) {
- while (true) {
- struct dirent* entry = readdir(dir);
- if (entry == NULL) break;
- string entry_name = entry->d_name;
- if (entry_name != "." && entry_name != "..") {
- DeleteRecursively(name + "/" + entry_name, NULL, NULL);
- }
- }
- }
- closedir(dir);
- rmdir(name.c_str());
- } else if (S_ISREG(stats.st_mode)) {
- remove(name.c_str());
- }
- #endif
- }
- } // namespace protobuf
- } // namespace google