Add source locs to allocator procs

standalone_libraries/unicode.c

@@ -159,9 +159,6 @@ UTF_API int64_t UTF_CreateCharFromWidechar(char *buffer, int64_t buffer_size, wc
     return outlen;
 }
 
-// @todo: the api here is from one side cool but from other kind of weird
-// int64_t size = UTF_CreateWidecharFromChar(wcmd, cmd.len + 1, cmd.str, cmd.len);
-// the "+ 1" part is bothering me, but if it wrote one past buffer_size, that would be worse
 UTF_API int64_t UTF_CreateWidecharFromChar(wchar_t *buffer, int64_t buffer_size, char *in, int64_t inlen) {
     int64_t outlen = 0;
     for (int64_t i = 0; i < inlen;) {