Merge pull request #27 from kcwu/fix-strgrow

Fix potential heap buffer corruption due to Strgrow
2016-09-02 23:01:37 +09:00
parent e79a099442 c95a43dc92
commit d43527cfa0
1 changed files with 2 additions and 2 deletions
--- a/Str.c
+++ b/Str.c
@@ -232,8 +232,8 @@ Strgrow(Str x)
 {
    char *old = x->ptr;
    int newlen;
-    newlen = x->length * 6 / 5;
-    if (newlen == x->length)
+    newlen = x->area_size * 6 / 5;
+    if (newlen == x->area_size)
 	newlen += 2;
    x->ptr = GC_MALLOC_ATOMIC(newlen);
    x->area_size = newlen;