check bound _before_ making access

2022-04-24 06:25:53 +06:00
parent b2ce5a9c54
commit b155c9f759
1 changed files with 1 additions and 1 deletions
--- a/regex.c
+++ b/regex.c
@@ -747,7 +747,7 @@ lc2c(longchar * x, int len)
    int i = 0, j = 0;
    char *r;

-    while (x[j].type != RE_TYPE_END && j < len) {
+    while (j < len && x[j].type != RE_TYPE_END) {
 	if (x[j].type == RE_WHICH_RANGE)
 	    y[i++] = '-';
 #ifdef USE_M17N