From ad845a7370cacac63920bc9a771031172eab6765 Mon Sep 17 00:00:00 2001
From: Wohlstand <admin@wohlnet.ru>
Date: Sat, 3 Aug 2024 09:36:08 +0300
Subject: [PATCH] mixer.c: Fixed Clang's Code model warning

Because it thinks that `num_channels` may have the value less than 1 (even there is no actual code that may assign it), it reports about the possible null pointer dereference at the `mix_channel` array pointer when `numchans` is zero.
---
 src/mixer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mixer.c b/src/mixer.c
index 3b4d899..4d33f12 100644
--- a/src/mixer.c
+++ b/src/mixer.c
@@ -625,6 +625,9 @@ int MIXCALLCC Mix_AllocateChannels(int numchans)
     if (mix_channel_tmp || !numchans) {
         /* Apply the temporary pointer on success */
         mix_channel = mix_channel_tmp;
+        if (num_channels < 0) {
+            num_channels = 0;
+        }
         if (numchans > num_channels) {
             /* Initialize the new channels */
             for (i = num_channels; i < numchans; i++) {