Rename our allwpilib (which is now 2020) to not have 2019 in the name
Change-Id: I3c07f85ed32ab8b97db765a9b43f2a6ce7da964a
diff --git a/wpiutil/src/main/native/unix/Demangle.cpp b/wpiutil/src/main/native/unix/Demangle.cpp
new file mode 100644
index 0000000..1ce4f31
--- /dev/null
+++ b/wpiutil/src/main/native/unix/Demangle.cpp
@@ -0,0 +1,36 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2008-2019 FIRST. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project. */
+/*----------------------------------------------------------------------------*/
+
+#include "wpi/Demangle.h"
+
+#include <cxxabi.h>
+
+#include <cstdio>
+
+namespace wpi {
+
+std::string Demangle(char const* mangledSymbol) {
+ char buffer[256];
+ size_t length;
+ int32_t status;
+
+ if (std::sscanf(mangledSymbol, "%*[^(]%*[(]%255[^)+]", buffer)) {
+ char* symbol = abi::__cxa_demangle(buffer, nullptr, &length, &status);
+ if (status == 0) {
+ return symbol;
+ } else {
+ // If the symbol couldn't be demangled, it's probably a C function,
+ // so just return it as-is.
+ return buffer;
+ }
+ }
+
+ // If everything else failed, just return the mangled symbol
+ return mangledSymbol;
+}
+
+} // namespace wpi