songvec: avoid free(NULL)

Potentially broken free() implementations don't like it

songvec: avoid free(NULL)
ef359260 · Eric Wong · Max Kellermann · 74b34f7b · ef359260
Commit ef359260 authored Sep 23, 2008 by Eric Wong Committed by Max Kellermann Sep 23, 2008
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Showing with 4 additions and 2 deletions

songvec.c src/songvec.c +4 -2

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--- a/src/songvec.c
+++ b/src/songvec.c
@@ -60,7 +60,9 @@ void songvec_add(struct songvec *sv, Song *add)
 void songvec_free(struct songvec *sv)
 {
-	free(sv->base);
+	if (sv->base) {
-	sv->base = NULL;
+		free(sv->base);
+		sv->base = NULL;
+	}
 	sv->nr = 0;
 }