From 00abc0007c1228994fec2902ceb3ff3552d1bff6 Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Wed, 20 Mar 2024 12:36:37 -0700
Subject: [PATCH] muxread,MuxGet: add an assert

assert idx != IDX_LAST_CHUNK to quiet a static analysis warning
(reported by Coverity):
  Indexing array kChunks of size 11 with idx.

Change-Id: I5e54b5c09d23c26abbd1a7919b6f828b35fe4f75
---
 src/mux/muxread.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mux/muxread.c b/src/mux/muxread.c
index 37ddd901..64df1659 100644
--- a/src/mux/muxread.c
+++ b/src/mux/muxread.c
@@ -37,6 +37,7 @@
 static WebPMuxError MuxGet(const WebPMux* const mux, CHUNK_INDEX idx,
                            uint32_t nth, WebPData* const data) {
   assert(mux != NULL);
+  assert(idx != IDX_LAST_CHUNK);
   assert(!IsWPI(kChunks[idx].id));
   WebPDataInit(data);