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| author | daurnimator <quae@daurnimator.com> | 2017-06-15 01:44:48 +1000 |
|---|---|---|
| committer | daurnimator <quae@daurnimator.com> | 2017-06-15 01:44:48 +1000 |
| commit | 5cf30659bcad3f40b0b875bb61586eb30106b14c (patch) | |
| tree | 07453882dbcf89c426b2dc3449436b9b9965f0e9 | |
| parent | 5dd31ddd7032687bbce138f23dcd08bc146942fc (diff) | |
| download | fengari-5cf30659bcad3f40b0b875bb61586eb30106b14c.tar.gz fengari-5cf30659bcad3f40b0b875bb61586eb30106b14c.tar.bz2 fengari-5cf30659bcad3f40b0b875bb61586eb30106b14c.zip | |
src/lstrlib.js: frontier looks past end of string expecting a null byte
| -rw-r--r-- | src/lstrlib.js | 4 |
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 */ |