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-rw-r--r--Source/ThirdParty/ANGLE/util/linux/Linux_system_utils.cpp64
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