Fix compiler errors

Author: detomon

src/BKContext.c

@@ -298,7 +298,7 @@ BKInt BKContextGenerateToTime(BKContext* ctx, BKTime endTime, BKInt (*write)(BKF
 		// write frames if buffer filled or end time is reached
 		if (BKBufferSize(&ctx->channels[0]) >= BK_MAX_GENERATE_SAMPLES || BKTimeIsGreaterEqual(ctx->currentTime, endTime)) {
 			BKInt size;
-			BKFrame* frames = alloca(ctx->numChannels * BK_MAX_GENERATE_SAMPLES);
+			BKFrame* frames = (BKFrame*)alloca(sizeof(BKFrame) * ctx->numChannels * BK_MAX_GENERATE_SAMPLES);
 
 			size = BKContextRead(ctx, frames, BK_MAX_GENERATE_SAMPLES);
 			numFrames += size;

src/BKData.c

@@ -474,7 +474,7 @@ static BKInt BKDataConvertFromBits(BKFrame* outFrames, void const* data, BKUInt
 
 	dataSize -= (dataSize % (mask * numChannels));
 
-	for (charData = data; (void*)charData < data + dataSize;) {
+	for (charData = data; charData < (unsigned char*)data + dataSize;) {
 		switch (numBits) {
 			case 1: {
 				c = charData[0];
@@ -522,7 +522,7 @@ static BKInt BKDataConvertFromBits(BKFrame* outFrames, void const* data, BKUInt
 			}
 			case 16: {
 				if (reverseEndian) {
-					outFrames[0] = (charData[0] << 8) | (charData[1] >> 8);
+					outFrames[0] = ((BKFrame)charData[0] << 8) | ((BKFrame)charData[1] >> 8);
 				}
 				else {
 					outFrames[0] = (*(BKFrame*)charData);

src/BKSequence.c

@@ -10,7 +10,7 @@ static BKInt BKSequenceFuncSimpleCreate(BKSequence** outSequence, BKSequenceFunc
 	if (sequence) {
 		memset(sequence, 0, sizeof(*sequence));
 
-		sequence->values = (void*)sequence + sizeof(*sequence);
+		sequence->values = (char*)sequence + sizeof(*sequence);
 
 		memcpy(sequence->values, values, size);
 
@@ -112,7 +112,7 @@ static BKInt BKSequenceFuncSimpleCopy(BKSequence** outCopy, BKSequence const* se
 	BKSequence* copy = malloc(sizeof(*copy) + size);
 
 	if (copy) {
-		values = (void*)copy + sizeof(*copy);
+		values = (BKInt*)((char*)copy + sizeof(*copy));
 		copy->values = values;
 
 		memcpy(copy, sequence, sizeof(*copy));
@@ -202,7 +202,7 @@ static BKInt BKSequenceFuncEnvelopeCreate(BKSequence** outSequence, BKSequenceFu
 	if (sequence) {
 		memset(sequence, 0, sizeof(*sequence));
 
-		sequence->values = (void*)sequence + sizeof(*sequence);
+		sequence->values = (char*)sequence + sizeof(*sequence);
 
 		memcpy(sequence->values, values, size);
 
@@ -355,7 +355,7 @@ static BKInt BKSequenceFuncEnvelopeCopy(BKSequence** outCopy, BKSequence const*
 	copy = malloc(sizeof(*copy) + size);
 
 	if (copy) {
-		values = (void*)copy + sizeof(*copy);
+		values = (BKSequencePhase*)((char*)copy + sizeof(*copy));
 		copy->values = values;
 
 		memcpy(copy, sequence, sizeof(*copy));

src/BKTrack.c

@@ -916,7 +916,7 @@ BKInt BKTrackGetEffect(BKTrack const* track, BKEnum effect, void* outValues, BKU
 	// copy values
 	memcpy(outValues, values, outSize);
 	// empty trailing data
-	memset((void*)outValues + outSize, 0, BKMax(0, (BKInt)size - outSize));
+	memset((char*)outValues + outSize, 0, BKMax(0, (BKInt)size - outSize));
 
 	return 0;
 }