Limit recursion depth in string.match() et al.

2012-08-28 21:22:23 +02:00
parent 751cd9d821
commit ff00a78f3a
2 changed files with 41 additions and 26 deletions
--- a/src/lj_errmsg.h
+++ b/src/lj_errmsg.h
@@ -91,6 +91,7 @@ ERRDEF(STRPATC,	"invalid pattern capture")
 ERRDEF(STRPATE,	"malformed pattern (ends with " LUA_QL("%") ")")
 ERRDEF(STRPATM,	"malformed pattern (missing " LUA_QL("]") ")")
 ERRDEF(STRPATU,	"unbalanced pattern")
+ERRDEF(STRPATX,	"pattern too complex")
 ERRDEF(STRCAPI,	"invalid capture index")
 ERRDEF(STRCAPN,	"too many captures")
 ERRDEF(STRCAPU,	"unfinished capture")