extra-modes: fix potential out of bounds access

2017-04-11 07:27:14 +00:00 · 2017-04-11 07:27:14 +00:00 · f106d3dc66
commit f106d3dc66
parent 5d463eb5ad
1 changed files with 2 additions and 1 deletions
--- a/extra-modes.c
+++ b/extra-modes.c
@ -2992,8 +2992,9 @@ static void ruby_colorize_line(QEColorizeContext *cp,
            }
            if (start == indent
            ||  (str[i] != ' ' && str[i] != '='
+            &&   i >= 2
            &&   !qe_isalnum(str[i - 2] & CHAR_MASK)
-            &&   str[i - 2] != ')')) {
+            &&   (str[i - 2] & CHAR_MASK) != ')')) {
                /* XXX: should use context to tell regex from divide */
                /* parse regex */
                state = IN_RUBY_REGEX;