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43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
//
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// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Linux_system_utils.cpp: Implementation of OS-specific functions for Linux
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#include "system_utils.h"
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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namespace angle
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{
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std::string GetExecutablePath()
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{
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// We cannot use lstat to get the size of /proc/self/exe as it always returns 0
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// so we just use a big buffer and hope the path fits in it.
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char path[4096];
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ssize_t result = readlink("/proc/self/exe", path, sizeof(path) - 1);
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if (result < 0 || static_cast<size_t>(result) >= sizeof(path) - 1)
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{
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return "";
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}
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path[result] = '\0';
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return path;
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}
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std::string GetExecutableDirectory()
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{
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std::string executablePath = GetExecutablePath();
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size_t lastPathSepLoc = executablePath.find_last_of("/");
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return (lastPathSepLoc != std::string::npos) ? executablePath.substr(0, lastPathSepLoc) : "";
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}
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} // namespace angle
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