libavcodec has codes like this one (utils.c):
static AVPacket *add_to_pktbuf(AVPacketList **packet_buffer, AVPacket *pkt,
AVPacketList **plast_pktl)
{
AVPacketList *pktl = av_mallocz(sizeof(AVPacketList));
if (!pktl)
return NULL;
if (*packet_buffer)
(*plast_pktl)->next = pktl;
else
*packet_buffer = pktl;
/* Add the packet in the buffered packet list. */
*plast_pktl = pktl;
pktl->pkt = *pkt; <===========================
return &pktl->pkt;
}
Here a struct variable is meant to be copied over via assignment, is that
100% correct to always work the way was intended? Given that the struct
pkt is a big struct which has raw bytes that are malloc'd. I was always
trained to avoid such struct assignment operations. What do people think?
Ratin
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