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add some safety checks to enet_packet_resize
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This commit is contained in:
Lee Salzman 2024-06-28 22:28:14 -04:00
parent 7083138fd4
commit 0b924c79ce
1 changed files with 8 additions and 3 deletions
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5
packet.c
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@ -89,8 +89,13 @@ enet_packet_resize (ENetPacket * packet, size_t dataLength)
if (newData == NULL) if (newData == NULL)
return -1; return -1;
if (packet -> data != NULL)
{
if (packet -> dataLength > 0)
memcpy (newData, packet -> data, packet -> dataLength); memcpy (newData, packet -> data, packet -> dataLength);
enet_free (packet -> data); enet_free (packet -> data);
}
packet -> data = newData; packet -> data = newData;
packet -> dataLength = dataLength; packet -> dataLength = dataLength;