move MemoryMapping, Shell, ThreadId, ThreadName, and VersionCheck to system/

[folly.git] / folly / system / Shell.cpp

diff --git a/folly/system/Shell.cpp b/folly/system/Shell.cpp
new file mode 100644 (file)
index 0000000..fbc075b
--- /dev/null
+++ b/folly/system/Shell.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2017 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <folly/system/Shell.h>
+
+namespace folly {
+
+std::string shellQuote(StringPiece argument) {
+  std::string quoted = "'";
+  for (auto c : argument) {
+    if (c == '\'') {
+      quoted += "'\\''";
+    } else {
+      quoted += c;
+    }
+  }
+  return quoted + "'";
+}
+
+} // namespace folly