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//
// Copyright 2018 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.cpp: Implementation of common functions
#include "common/system_utils.h"
#include <stdlib.h>
namespace angle
{
std::string GetExecutableName()
{
#if defined(ANGLE_PLATFORM_ANDROID) && __ANDROID_API__ >= 21
// Support for "getprogname" function in bionic was introduced in L (API level 21)
const char *executableName = getprogname();
return (executableName) ? std::string(executableName) : "ANGLE";
#else
std::string executableName = GetExecutablePath();
size_t lastPathSepLoc = executableName.find_last_of(GetPathSeparator());
return (lastPathSepLoc > 0 ? executableName.substr(lastPathSepLoc + 1, executableName.length())
: "ANGLE");
#endif // ANGLE_PLATFORM_ANDROID
}
bool PrependPathToEnvironmentVar(const char *variableName, const char *path)
{
std::string oldValue = GetEnvironmentVar(variableName);
const char *newValue = nullptr;
std::string buf;
if (oldValue.empty())
{
newValue = path;
}
else
{
buf = path;
buf += GetPathSeparatorForEnvironmentVar();
buf += oldValue;
newValue = buf.c_str();
}
return SetEnvironmentVar(variableName, newValue);
}
} // namespace angle