int CXPack::EncodeRow(const ST_PACKHEAD *phead, const void *pdata, void *ebuf, int ebsize)
{
int rtn;
if (pdata==NULL
/* ****** Updated by CHENYH at 2005-11-12 16:53:01 ******
||phead->recCount<=0
*******************************************************/
)
return(0);
rtn = phandle.EncodeRow(phead->ParmBits,pdata,ebuf,ebsize);
if (rtn==0)
{
/* ****** Updated by CHENYH at 2004-10-14 15:23:34 ******
if ((int)(phead->recCount)>ebsize)
return(-11); // 被编码的数据超过用于编码的缓冲区长度
if (phead->recCount>0)
{
memcpy(ebuf,pdata,phead->recCount);
}
return(phead->recCount);
*/
ST_SDPACK *psd=(ST_SDPACK *)pdata;
rtn = psd->usDataLength+sizeof(psd->usDataLength);
if (rtn>ebsize||rtn>phandle.GetPackLength())
return(-11);
memcpy(ebuf,pdata,rtn);
HostByteOrder(ebuf,sizeof(psd->usDataLength));
return(rtn);
}
else
{
return(rtn);
}
}
int StringFromGUID2(const GUID& guid, OMCHAR* buffer, int bufferSize)
{
if (HostByteOrder() == 'L') {
guidMap = &idMapLittle[0];
} else {
guidMap = &idMapBig[0];
}
const unsigned char* ip = (const unsigned char*) &guid; // input pointer
OMCHAR* op = buffer; // output pointer
*op++ = L'{';
for (size_t i = 0; i < sizeof(idMapLittle); i++) {
if (guidMap[i] == '-') {
*op++ = L'-';
} else {
*op++ = digits[ (ip[guidMap[i]] & 0xF0) >> 4 ];
*op++ = digits[ (ip[guidMap[i]] & 0x0F) ];
}
}
*op++ = L'}';
*op = L'\0';
return GUIDSTRMAX;
}
int CXPack::DecodeRow(const ST_PACKHEAD *phead, const void *ebuf, int eblen, void *pdata)
{
int rtn;
rtn = phandle.DecodeRow(phead->ParmBits,ebuf,eblen,pdata);
if (rtn==0)
{
/* ****** Updated by CHENYH at 2004-10-14 15:39:24 ******
if (phead->recCount>0)
{
memcpy(pdata,ebuf,phead->recCount);
}
return(phead->recCount);
*/
ST_SDPACK *psd=(ST_SDPACK *)pdata;
memcpy(pdata,ebuf,sizeof(psd->usDataLength));
HostByteOrder(pdata,sizeof(psd->usDataLength));
/* ****** Updated by CHENYH at 2006-2-22 12:31:30 ******
因为出现了传入数据不正确导致这里异常
*******************************************************/
if (eblen<(int)(sizeof(psd->usDataLength)+psd->usDataLength))
{
psd->usDataLength = 0;
return(-10); // 是不eblen传入参数错
}
//////////////////////////////////////////////////////////////////////////
if (psd->usDataLength>0)
memcpy(psd->data,((char *)ebuf)+sizeof(psd->usDataLength),psd->usDataLength);
return(psd->usDataLength+sizeof(psd->usDataLength));
}
else
return(rtn);
}