From ef4fe8e4c89bcf8df9b3f74d285d8bbd71a09eea Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Fri, 31 Jan 2014 17:43:00 +0100
Subject: Switch to clang for debugging build + fix issues

---
 src/libpiano/piano.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/libpiano/piano.h')

diff --git a/src/libpiano/piano.h b/src/libpiano/piano.h
index ce66171..d8b84ce 100644
--- a/src/libpiano/piano.h
+++ b/src/libpiano/piano.h
@@ -310,14 +310,17 @@ size_t PianoListCount (const PianoListHead_t * const l);
 #define PianoListCountP(l) PianoListCount(&(l)->head)
 void *PianoListAppend (PianoListHead_t * const l, PianoListHead_t * const e)
 		__attribute__ ((warn_unused_result));
-#define PianoListAppendP(l,e) PianoListAppend(&(l)->head, &(e)->head)
+#define PianoListAppendP(l,e) PianoListAppend(((l) == NULL) ? NULL : &(l)->head, \
+		&(e)->head)
 void *PianoListDelete (PianoListHead_t * const l, PianoListHead_t * const e)
 		__attribute__ ((warn_unused_result));
-#define PianoListDeleteP(l,e) PianoListDelete(&(l)->head, &(e)->head)
+#define PianoListDeleteP(l,e) PianoListDelete(((l) == NULL) ? NULL : &(l)->head, \
+		&(e)->head)
 #define PianoListNextP(e) ((void *) (e)->head.next)
 void *PianoListPrepend (PianoListHead_t * const l, PianoListHead_t * const e)
 		__attribute__ ((warn_unused_result));
-#define PianoListPrependP(l,e) PianoListPrepend (&(l)->head, &(e)->head)
+#define PianoListPrependP(l,e) PianoListPrepend (((l) == NULL) ? NULL : &(l)->head, \
+		&(e)->head)
 void *PianoListGet (PianoListHead_t * const l, const size_t n);
 #define PianoListGetP(l,n) PianoListGet (&(l)->head, n)
 #define PianoListForeachP(l) for (; (l) != NULL; (l) = (void *) (l)->head.next)
-- 
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