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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2017-06-27 06:07:23 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2017-06-27 06:07:23 +0000 |
commit | 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch) | |
tree | 46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/ThirdParty/ANGLE/util/linux/Linux_system_utils.cpp | |
parent | 32761a6cee1d0dee366b885b7b9c777e67885688 (diff) | |
download | WebKitGtk-tarball-master.tar.gz |
webkitgtk-2.16.5HEADwebkitgtk-2.16.5master
Diffstat (limited to 'Source/ThirdParty/ANGLE/util/linux/Linux_system_utils.cpp')
-rw-r--r-- | Source/ThirdParty/ANGLE/util/linux/Linux_system_utils.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Source/ThirdParty/ANGLE/util/linux/Linux_system_utils.cpp b/Source/ThirdParty/ANGLE/util/linux/Linux_system_utils.cpp new file mode 100644 index 000000000..2a57fc079 --- /dev/null +++ b/Source/ThirdParty/ANGLE/util/linux/Linux_system_utils.cpp @@ -0,0 +1,64 @@ +// +// 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_system_utils.cpp: Implementation of OS-specific functions for Linux + +#include "system_utils.h" + +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/types.h> +#include <unistd.h> + +namespace angle +{ + +namespace +{ + +std::string GetExecutablePathImpl() +{ + // We cannot use lstat to get the size of /proc/self/exe as it always returns 0 + // so we just use a big buffer and hope the path fits in it. + char path[4096]; + + ssize_t result = readlink("/proc/self/exe", path, sizeof(path) - 1); + if (result < 0 || static_cast<size_t>(result) >= sizeof(path) - 1) + { + return ""; + } + + path[result] = '\0'; + return path; +} + +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() +{ + const static std::string &exePath = GetExecutablePathImpl(); + return exePath.c_str(); +} + +const char *GetExecutableDirectory() +{ + const static std::string &exeDir = GetExecutableDirectoryImpl(); + return exeDir.c_str(); +} + +const char *GetSharedLibraryExtension() +{ + return "so"; +} + +} // namespace angle |