shithub: dumb

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Fix divide by zero if tempo is somehow set to zero.

--- a/src/it/itrender.c

+++ b/src/it/itrender.c

@@ -4301,6 +4301,9 @@

 static int process_tick(DUMB_IT_SIGRENDERER *sigrenderer)

 {

 	DUMB_IT_SIGDATA *sigdata = sigrenderer->sigdata;

+	

+	if ( !sigrenderer->tempo ) // problematic, causes divide by zero below

+		return 1;

 	// Set note vol/freq to vol/freq set for each channel

@@ -5598,6 +5601,8 @@

 	LONG_LONG t;

 	if (sigrenderer->order < 0) return 0; // problematic

+	

+	if (!sigrenderer->tempo) return 0; // also problematic

 	pos = 0;

 	dt = (int)(delta * 65536.0f + 0.5f);