diff options
Diffstat (limited to 'src/emu/rendlay.cpp')
-rw-r--r-- | src/emu/rendlay.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/emu/rendlay.cpp b/src/emu/rendlay.cpp index 789c7c15a7c..00322df4203 100644 --- a/src/emu/rendlay.cpp +++ b/src/emu/rendlay.cpp @@ -530,6 +530,7 @@ private: // variable found if (start == 0) m_buffer.seekp(0); + assert(start < str.length()); m_buffer.write(&str[start], pos - start); m_buffer.write(text.first.data(), text.first.length()); start = term - str.begin() + 1; @@ -550,7 +551,8 @@ private: } else { - m_buffer.write(&str[start], str.length() - start); + if (start < str.length()) + m_buffer.write(&str[start], str.length() - start); return util::buf_to_string_view(m_buffer); } } |