libluna: Add wcscmp

libluna/include/luna/CString.h

@@ -20,6 +20,7 @@ extern "C"
     char* strtok(char* str, const char* delim);
 
     usize wcslen(const wchar_t* str);
+    int wcscmp(const wchar_t* a, const wchar_t* b);
 
     char* strdup(const char* str);
     char* strndup(const char* str, usize max);

libluna/src/CString.cpp

@@ -64,6 +64,16 @@ extern "C"
         return *(const u8*)a - *(const u8*)b;
     }
 
+    int wcscmp(const wchar_t* a, const wchar_t* b)
+    {
+        while (*a && (*a == *b))
+        {
+            a++;
+            b++;
+        }
+        return *(const u8*)a - *(const u8*)b;
+    }
+
     int strncmp(const char* a, const char* b, usize max)
     {
         const char* s = a;