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, 4 insertions, 0 deletions

diff --git a/llimits.h b/llimits.h
index 3df873db..cc983972 100644
--- a/llimits.h
+++ b/llimits.h
@@ -65,6 +65,10 @@ typedef signed char ls_byte;
 #define ispow2(x)       (((x) & ((x) - 1)) == 0)
 
 
+/* number of chars of a literal string without the ending \0 */
+#define LL(x)   (sizeof(x)/sizeof(char) - 1)
+
+
 /*
 ** conversion of pointer to unsigned integer:
 ** this is for hashing only; there is no problem if the integer