Clamp the parameter to Mix_ReserveChannels() to positive values

slouken · slouken · commit a0ca3109b1c9 · 2024-01-14T09:57:11.000-08:00
Fixes #417 (cherry picked from commit 3ec4fee)
diff --git a/src/mixer.c b/src/mixer.c
@@ -1051,6 +1051,8 @@ void Mix_ChannelFinished(void (SDLCALL *channel_finished)(int channel))
  */
 int Mix_ReserveChannels(int num)
 {
+    if (num < 0)
+        num = 0;
     if (num > num_channels)
         num = num_channels;
     reserved_channels = num;

Original file line number	Diff line number	Diff line change
`@@ -1051,6 +1051,8 @@ void Mix_ChannelFinished(void (SDLCALL *channel_finished)(int channel))`
`1051`	`1051`	`*/`
`1052`	`1052`	`int Mix_ReserveChannels(int num)`
`1053`	`1053`	`{`
	`1054`	`+ if (num < 0)`
	`1055`	`+ num = 0;`
`1054`	`1056`	`if (num > num_channels)`
`1055`	`1057`	`num = num_channels;`
`1056`	`1058`	`reserved_channels = num;`