LSP: OpenGOAL Feature Support - Part 1 (#2668)

common/util/string_util.cpp

@@ -1,5 +1,6 @@
 #include "string_util.h"
 
+#include <random>
 #include <regex>
 
 #include "common/util/diff.h"
@@ -101,4 +102,23 @@ bool replace(std::string& str, const std::string& from, const std::string& to) {
   str.replace(start_pos, from.length(), to);
   return true;
 }
+
+std::string uuid() {
+  static std::random_device dev;
+  static std::mt19937 rng(dev());
+
+  std::uniform_int_distribution<int> dist(0, 15);
+
+  const char* v = "0123456789abcdef";
+  const bool dash[] = {0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0};
+
+  std::string res;
+  for (int i = 0; i < 16; i++) {
+    if (dash[i])
+      res += "-";
+    res += v[dist(rng)];
+    res += v[dist(rng)];
+  }
+  return res;
+}
 }  // namespace str_util