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-rw-r--r--src/frontend/qt_sdl/LAN_Socket.cpp13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/frontend/qt_sdl/LAN_Socket.cpp b/src/frontend/qt_sdl/LAN_Socket.cpp
index 5477a7d..13a8eb1 100644
--- a/src/frontend/qt_sdl/LAN_Socket.cpp
+++ b/src/frontend/qt_sdl/LAN_Socket.cpp
@@ -52,7 +52,7 @@ volatile int RXNum;
u32 IPv4ID;
-Slirp* Ctx;
+Slirp* Ctx = nullptr;
const int FDListMax = 64;
struct pollfd FDList[FDListMax];
@@ -164,6 +164,7 @@ void SlirpCbUnregisterPollFD(int fd, void* opaque)
void SlirpCbNotify(void* opaque)
{
+ printf("Slirp: notify???\n");
}
SlirpCb cb =
@@ -205,7 +206,11 @@ bool Init()
void DeInit()
{
- slirp_cleanup(Ctx);
+ if (Ctx)
+ {
+ slirp_cleanup(Ctx);
+ Ctx = nullptr;
+ }
}
@@ -411,6 +416,8 @@ void HandleDNSFrame(u8* data, int len)
int SendPacket(u8* data, int len)
{
+ if (!Ctx) return 0;
+
if (len > 2048)
{
printf("LAN_SendPacket: error: packet too long (%d)\n", len);
@@ -496,6 +503,8 @@ int SlirpCbGetREvents(int idx, void* opaque)
int RecvPacket(u8* data)
{
+ if (!Ctx) return 0;
+
int ret = 0;
if (FDListSize > 0)