unsigned char *MQRspec_newFrame(int version)
{
unsigned char *frame;
int width;
if(version < 1 || version > MQRSPEC_VERSION_MAX) return NULL;
#ifdef HAVE_LIBPTHREAD
pthread_mutex_lock(&frames_mutex);
#endif
if(frames[version] == NULL) {
frames[version] = MQRspec_createFrame(version);
}
#ifdef HAVE_LIBPTHREAD
pthread_mutex_unlock(&frames_mutex);
#endif
if(frames[version] == NULL) return NULL;
width = mqrspecCapacity[version].width;
frame = (unsigned char *)malloc(width * width);
if(frame == NULL) return NULL;
memcpy(frame, frames[version], width * width);
return frame;
}
unsigned char *MQRspec_newFrame(int version)
{
if(version < 1 || version > MQRSPEC_VERSION_MAX) return NULL;
return MQRspec_createFrame(version);
}
