github.com/simh.simh
1
0
Fork 0
mirror of https://github.com/simh/simh.git synced 2026-04-18 08:57:25 +00:00
Code Releases Activity

ETHER: Fix packet length check to properly accomodate CRC data if needed

Browse Source 
As discussed in #419
This commit is contained in:
Mark Pizzolato
2017-04-03 14:49:54 -07:00
parent 00f6cd59a2
commit c48b254228
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
sim_ether.c
View File

@@ -907,7 +907,7 @@ void ethq_insert_data(ETH_QUE* que, int32 type, const uint8 *data, int used, siz
item->packet.len = len; item->packet.len = len;
item->packet.used = used; item->packet.used = used;
item->packet.crc_len = crc_len; item->packet.crc_len = crc_len;
if (MAX (len, crc_len) <= sizeof (item->packet.msg) - ETH_CRC_SIZE) { if (MAX (len, crc_len) <= sizeof (item->packet.msg)) {
memcpy(item->packet.msg, data, ((len > crc_len) ? len : crc_len)); memcpy(item->packet.msg, data, ((len > crc_len) ? len : crc_len));
if (crc_data && (crc_len > len)) if (crc_data && (crc_len > len))
memcpy(&item->packet.msg[len], crc_data, ETH_CRC_SIZE); memcpy(&item->packet.msg[len], crc_data, ETH_CRC_SIZE);