Using wav files with OpenAL

sound.c

ALuint* sound_load_wav(const char* path) {
	
	ALuint* sound = 0;
	WaveData* w_data = 0;
	ALenum error = 0;
	
	w_data = wave_load(path);
	if(w_data == 0) {
		fprintf(stderr, "Failed to load wave file.\n");
		goto exit;
	}
	
	sound = malloc(1 * sizeof(ALuint));
	if(sound == 0) {
		fprintf(stderr, "Out of memory.\n");
		goto exit;
	}
	
	alGenBuffers(1, sound);
	
	if((error = alGetError()) != AL_NO_ERROR) {
		fprintf(stderr, "Failed to generate sound buffer %d\n", error);
		goto exit;
	}
	
	ALenum format = 0;
	switch(w_data->channels) {
		case 1:
			format = w_data->bps == 8 ? AL_FORMAT_MONO8 : AL_FORMAT_MONO16;
			break;
		case 2:
			format = w_data->bps == 8 ? AL_FORMAT_STEREO8 : AL_FORMAT_STEREO16;
			break;
		default:
			puts("Unrecognizable bps format");
			goto exit;
	}
	
	alBufferData(*sound, format, w_data->sound_data, w_data->sound_size, w_data->sample_rate);
	
	if ((error = alGetError()) != AL_NO_ERROR) {
		printf("Failed to send audio information buffer to OpenAL! 0x%06x\n", error);
		goto exit;
	}
	
	wave_free(w_data);
	return sound;
	
exit:
	free(sound);
	wave_free(w_data);
	return 0;
}