From e3639d2bbcc0fbab50260ebc9c7f73e32bc910b9 Mon Sep 17 00:00:00 2001
From: Chris White <cxwembedded@gmail.com>
Date: Sat, 14 Jan 2023 18:09:05 -0500
Subject: [PATCH] fix: parse_literal_string() properly issues invalid-utf8
 errors

When creating the inner iterator, make sure it points into the same
vector as the outer iterator.  Otherwise, attempts to reset the iterator
wind up causing it to read out-of-bounds.

Fixes #199.
---
 toml/parser.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/toml/parser.hpp b/toml/parser.hpp
index 590cb2a..8da4618 100644
--- a/toml/parser.hpp
+++ b/toml/parser.hpp
@@ -664,7 +664,8 @@ parse_literal_string(location& loc)
     const auto first = loc.iter();
     if(const auto token = lex_literal_string::invoke(loc))
     {
-        location inner_loc(loc.name(), token.unwrap().str());
+        auto inner_loc = loc;
+        inner_loc.reset(first);
 
         const auto open = lex_apostrophe::invoke(inner_loc);
         if(!open)