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-rw-r--r--src/lstrlib.js4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lstrlib.js b/src/lstrlib.js
index d3373a4..ba1ef55 100644
--- a/src/lstrlib.js
+++ b/src/lstrlib.js
@@ -1044,13 +1044,13 @@ const match = function(ms, s, p) {
}
break;
}
- case 'f'.charCodeAt(0): {
+ case 'f'.charCodeAt(0): { /* frontier? */
p += 2;
if (ms.p[p] !== '['.charCodeAt(0))
lauxlib.luaL_error(ms.L, lua.to_luastring("missing '[' after '%%f' in pattern"));
let ep = classend(ms, p); /* points to what is next */
let previous = s === ms.src_init ? 0 : ms.src[s-1];
- if (!matchbracketclass(ms, previous, p, ep - 1) && matchbracketclass(ms, ms.src[s], p, ep - 1)) {
+ if (!matchbracketclass(ms, previous, p, ep - 1) && matchbracketclass(ms, (s===ms.src_end)?0:ms.src[s], p, ep - 1)) {
p = ep; gotoinit = true; break;
}
s = null; /* match failed */