kc3-lang/angle/util/linux/Linux_path_utils.cpp

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• Author : Corentin Wallez
  Date : 2015-05-05 17:37:39
  Hash : fe2f3d63
  Message : Add a basic support for Linux for utils/ * Timer and path utils are done. * Window only implements initialize and setVisible BUG=angleproject:892 Change-Id: I3f49b68ef9ec5be324b25e211199bac2953ae11e Reviewed-on: https://chromium-review.googlesource.com/269520 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Corentin Wallez <cwallez@chromium.org>

• util/linux/Linux_path_utils.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.
  //
  
  // Linux_path_utils.cpp: Implementation of OS-specific path functions for Linux
  
  #include "path_utils.h"
  #include <array>
  #include <sys/stat.h>
  #include <unistd.h>
  
  std::string GetExecutablePath()
  {
      struct stat sb;
      if (lstat("/proc/self/exe", &sb) == -1)
      {
          return "";
      }
  
      char *path = static_cast<char*>(malloc(sb.st_size + 1));
      if (!path)
      {
          return "";
      }
  
      ssize_t result = readlink("/proc/self/exe", path, sb.st_size);
      if (result != sb.st_size)
      {
          free(path);
          return "";
      }
  
      path[sb.st_size] = '\0';
  
      std::string strPath(path);
      free(path);
      return strPath;
  }
  
  std::string GetExecutableDirectory()
  {
      std::string executablePath = GetExecutablePath();
      size_t lastPathSepLoc = executablePath.find_last_of("/");
      return (lastPathSepLoc != std::string::npos) ? executablePath.substr(0, lastPathSepLoc) : "";
  }