core: tokbuf: Fix buffer overflow

Signed-off-by: Chloe M. <chloe@mirocom.org>
2026-05-23 14:36:20 +00:00
parent 5f72602471
commit 19c7587f28
1 changed files with 1 additions and 1 deletions
@@ -30,7 +30,7 @@ tokbuf_push(struct tokbuf *tokbuf, struct token *tok)
        return -1;
    }

-    if ((tokbuf->head++) >= TOKBUF_CAP) {
+    if ((tokbuf->head++) >= TOKBUF_CAP - 1) {
        tokbuf->head = 0;
    }