shithub: gefs

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range: avoid integer overflow

if our ranges were large enough, we would
truncate and miscompare when converting to
int. Don't do that.

--- a/load.c

+++ b/load.c

@@ -9,7 +9,11 @@

 static int

 rangecmp(Avl *a, Avl *b)

 {

-	return ((Arange*)a)->off - ((Arange*)b)->off;

+	if(((Arange*)a)->off < ((Arange*)b)->off)

+		return -1;

+	if(((Arange*)a)->off > ((Arange*)b)->off)

+		return 1;

+	return 0;

 }

 static void