kc3-lang/angle/src/common/system_utils_mac.cpp

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• Author : Jamie Madill
  Date : 2018-11-27 11:34:27
  Hash : b980c563
  Message : Reformat all cpp and h files. This applies git cl format --full to all ANGLE sources. Bug: angleproject:2986 Change-Id: Ib504e618c1589332a37e97696cdc3515d739308f Reviewed-on: https://chromium-review.googlesource.com/c/1351367 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>

• src/common/system_utils_mac.cpp

• //
  // Copyright (c) 2015 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_osx.cpp: Implementation of OS-specific functions for OSX
  
  #include "system_utils.h"
  
  #include <unistd.h>
  
  #include <mach-o/dyld.h>
  #include <cstdlib>
  #include <vector>
  
  #include <array>
  
  namespace angle
  {
  
  namespace
  {
  
  std::string GetExecutablePathImpl()
  {
      std::string result;
  
      uint32_t size = 0;
      _NSGetExecutablePath(nullptr, &size);
  
      std::vector<char> buffer;
      buffer.resize(size + 1);
  
      _NSGetExecutablePath(buffer.data(), &size);
      buffer[size] = '\0';
  
      if (!strrchr(buffer.data(), '/'))
      {
          return "";
      }
      return buffer.data();
  }
  
  std::string GetExecutableDirectoryImpl()
  {
      std::string executablePath = GetExecutablePath();
      size_t lastPathSepLoc      = executablePath.find_last_of("/");
      return (lastPathSepLoc != std::string::npos) ? executablePath.substr(0, lastPathSepLoc) : "";
  }
  
  }  // anonymous namespace
  
  const char *GetExecutablePath()
  {
      // TODO(jmadill): Make global static string thread-safe.
      const static std::string &exePath = GetExecutablePathImpl();
      return exePath.c_str();
  }
  
  const char *GetExecutableDirectory()
  {
      // TODO(jmadill): Make global static string thread-safe.
      const static std::string &exeDir = GetExecutableDirectoryImpl();
      return exeDir.c_str();
  }
  
  const char *GetSharedLibraryExtension()
  {
      return "dylib";
  }
  
  Optional<std::string> GetCWD()
  {
      std::array<char, 4096> pathBuf;
      char *result = getcwd(pathBuf.data(), pathBuf.size());
      if (result == nullptr)
      {
          return Optional<std::string>::Invalid();
      }
      return std::string(pathBuf.data());
  }
  
  bool SetCWD(const char *dirName)
  {
      return (chdir(dirName) == 0);
  }
  
  bool UnsetEnvironmentVar(const char *variableName)
  {
      return (unsetenv(variableName) == 0);
  }
  
  bool SetEnvironmentVar(const char *variableName, const char *value)
  {
      return (setenv(variableName, value, 1) == 0);
  }
  
  std::string GetEnvironmentVar(const char *variableName)
  {
      const char *value = getenv(variableName);
      return (value == nullptr ? std::string() : std::string(value));
  }
  
  const char *GetPathSeparator()
  {
      return ":";
  }
  
  }  // namespace angle