a few cleanups

src/decode.c

@@ -93,10 +93,12 @@ int calculateCrossFadeChunks(PlayerControl * pc, AudioFormat * af) {
 	chunks = (af->sampleRate*af->bits*af->channels/8.0/CHUNK_SIZE);
 	chunks = (chunks*pc->crossFade+0.5);
 
-	if(chunks>BUFFERED_CHUNKS-buffered_before_play) {
+	if(chunks>(BUFFERED_CHUNKS-buffered_before_play)) {
 		chunks = BUFFERED_CHUNKS-buffered_before_play;
 	}
 
+	if(chunks<0) chunks = 0;
+
 	return chunks;
 }
 
@@ -338,7 +340,7 @@ void decode() {
 					(fadePosition=cb->next-cb->begin+
 					BUFFERED_CHUNKS)<=crossFadeChunks)))
 				{
-					if(nextChunk==-1) {
+					if(nextChunk<0) {
 						crossFadeChunks = fadePosition;
 					}
 					nextChunk = cb->begin+crossFadeChunks;

src/log.h

@@ -27,9 +27,13 @@
 
 extern int logLevel;
 
-#define ERROR(x, arg...) myfprintf(stderr, x , ##arg)
+#define ERROR(x, arg...) do { \
+		myfprintf(stderr, x , ##arg); \
+	} while(0);
 
-#define LOG(x, arg...) myfprintf(stdout, x , ##arg)
+#define LOG(x, arg...) do { \
+		myfprintf(stdout, x , ##arg); \
+	} while(0); 
 
 #define SECURE(x, arg...) do { \
 		if(logLevel>=LOG_LEVEL_SECURE) myfprintf(stdout, x , ##arg); \