Figure out stupid math shit

Signed-off-by: Slendi <slendi@socopon.com>

subprojects/tracy/server/TracyCharUtil.hpp

@@ -0,0 +1,76 @@
+#ifndef __TRACY__CHARUTIL_HPP__
+#define __TRACY__CHARUTIL_HPP__
+
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#define XXH_INLINE_ALL
+#include "tracy_xxhash.h"
+
+namespace tracy
+{
+namespace charutil
+{
+
+static inline size_t hash( const char* str )
+{
+    const auto sz = strlen( str );
+    return XXH3_64bits( str, sz );
+}
+
+static inline size_t hash( const char* str, size_t sz )
+{
+    return XXH3_64bits( str, sz );
+}
+
+struct Hasher
+{
+    size_t operator()( const char* key ) const
+    {
+        return hash( key );
+    }
+};
+
+struct Comparator
+{
+    bool operator()( const char* lhs, const char* rhs ) const
+    {
+        return strcmp( lhs, rhs ) == 0;
+    }
+};
+
+struct LessComparator
+{
+    bool operator()( const char* lhs, const char* rhs ) const
+    {
+        return strcmp( lhs, rhs ) < 0;
+    }
+};
+
+struct StringKey
+{
+    const char* ptr;
+    size_t sz;
+
+    struct Hasher
+    {
+        size_t operator()( const StringKey& key ) const
+        {
+            return hash( key.ptr, key.sz );
+        }
+    };
+
+    struct Comparator
+    {
+        bool operator()( const StringKey& lhs, const StringKey& rhs ) const
+        {
+            return lhs.sz == rhs.sz && memcmp( lhs.ptr, rhs.ptr, lhs.sz ) == 0;
+        }
+    };
+};
+
+}
+}
+
+#endif