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treat destroying NULL as no-op

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This commit is contained in:
Lee Salzman 2012-09-11 02:28:50 +03:00
parent be852c5d8b
commit 71b7550049
4 changed files with 10 additions and 2 deletions
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3
host.c
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@ -135,6 +135,9 @@ enet_host_destroy (ENetHost * host)
{ {
ENetPeer * currentPeer; ENetPeer * currentPeer;
if (host == NULL)
return;
enet_socket_destroy (host -> socket); enet_socket_destroy (host -> socket);
for (currentPeer = host -> peers; for (currentPeer = host -> peers;

3
packet.c
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@ -55,6 +55,9 @@ enet_packet_create (const void * data, size_t dataLength, enet_uint32 flags)
void void
enet_packet_destroy (ENetPacket * packet) enet_packet_destroy (ENetPacket * packet)
{ {
if (packet == NULL)
return;
if (packet -> freeCallback != NULL) if (packet -> freeCallback != NULL)
(* packet -> freeCallback) (packet); (* packet -> freeCallback) (packet);
if (! (packet -> flags & ENET_PACKET_FLAG_NO_ALLOCATE) && if (! (packet -> flags & ENET_PACKET_FLAG_NO_ALLOCATE) &&

3
unix.c
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@ -273,7 +273,8 @@ enet_socket_accept (ENetSocket socket, ENetAddress * address)
void void
enet_socket_destroy (ENetSocket socket) enet_socket_destroy (ENetSocket socket)
{ {
close (socket); if (socket != -1)
close (socket);
} }
int int

3
win32.c
View file

@ -220,7 +220,8 @@ enet_socket_accept (ENetSocket socket, ENetAddress * address)
void void
enet_socket_destroy (ENetSocket socket) enet_socket_destroy (ENetSocket socket)
{ {
closesocket (socket); if (socket != INVALID_SOCKET)
closesocket (socket);
} }
int int