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aqhome: improved error handling.

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This commit is contained in:
Martin Preuss
2024-09-13 01:11:11 +02:00
parent ee94d8a583
commit 0f98ed87a4
1 changed files with 11 additions and 1 deletions
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12
aqhome/msg/endpoint_tty.c
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@@ -95,7 +95,7 @@ GWEN_MSG_ENDPOINT *AQH_TtyEndpoint_new(const char *devicePath, int groupId)
void _freeData(void *bp, void *p)
void _freeData(GWEN_UNUSED void *bp, void *p)
{
AQH_MSG_ENDPOINT_TTY *xep;
@@ -296,6 +296,7 @@ int _getBytesNeededForMessage(GWEN_UNUSED GWEN_MSG_ENDPOINT *ep, GWEN_MSG *msg)
else {
const uint8_t *ptr;
uint32_t msgSize;
int bytesNeeded;
ptr=GWEN_Msg_GetConstBuffer(msg);
msgSize=ptr[AQH_MSG_OFFS_ALL_PAYLOAD_LEN]+AQH_MSG_OFFS_ALL_PAYLOAD_BEGIN+1;
@@ -303,6 +304,15 @@ int _getBytesNeededForMessage(GWEN_UNUSED GWEN_MSG_ENDPOINT *ep, GWEN_MSG *msg)
DBG_INFO(AQH_LOGDOMAIN, "Message too long for msg (%d > %d)", msgSize, GWEN_Msg_GetMaxSize(msg));
return GWEN_ERROR_GENERIC;
}
bytesNeeded=(int) (msgSize-bytesInMsg);
if (bytesNeeded<0 || (bytesNeeded==0 && bytesInMsg==0)) {
DBG_ERROR(AQH_LOGDOMAIN, "Bad number of bytes needed, bad message format (bytesNeeded=%d)", bytesNeeded);
GWEN_MsgEndpoint_DiscardInput(ep);
return GWEN_ERROR_BAD_DATA;
}
return (int) (msgSize-bytesInMsg);
}
}