Added field 'srclen' to structure 'lua_Debug'

This new field gets the length of 'source' in the same structure.
Unlike the other strings in that structure, 'source' can be
relatively large, and Lua already has its length readily available.

1 files changed, 1 insertions, 0 deletions

diff --git a/lua.h b/lua.h
index 7c4a13bc..ec31c781 100644
--- a/lua.h
+++ b/lua.h
@@ -469,6 +469,7 @@ struct lua_Debug {
   const char *namewhat; /* (n) 'global', 'local', 'field', 'method' */
   const char *what;     /* (S) 'Lua', 'C', 'main', 'tail' */
   const char *source;   /* (S) */
+  size_t srclen;        /* (S) */
   int currentline;      /* (l) */
   int linedefined;      /* (S) */
   int lastlinedefined;  /* (S) */