/// report libmng error information
void ReportLibmngError (iObjectRegistry *object_reg, mng_handle hMNG, const char* msg)
{
mng_int8 severity;
mng_chunkid chunkname;
mng_uint32 chunkseq;
mng_int32 extra1;
mng_int32 extra2;
mng_pchar errortext;
mng_getlasterror (hMNG, &severity, &chunkname, &chunkseq, &extra1,
&extra2, &errortext);
Report (object_reg, CS_REPORTER_SEVERITY_WARNING,
"%s: %s (severity %" PRId8 ", chunkname %.8" PRIx32 ", chunkseq %" PRIu32 ", %.8" PRIx32 ", %.8" PRIx32 ")",
msg, errortext, severity, chunkname, chunkseq, extra1, extra2);
}
static void handle_read_error(PluginInstance *This, mng_retcode rv)
{
mng_int8 iSeverity;
mng_chunkid iChunkname;
mng_uint32 iChunkseq;
mng_int32 iExtra1;
mng_int32 iExtra2;
mng_pchar zErrortext;
#ifdef MNGPLG_TRACE
fprintf(tracefile,"returned: %d\n",rv);
#endif
switch(rv) {
case MNG_NOERROR: case MNG_NEEDTIMERWAIT:
break;
case MNG_NEEDMOREDATA:
if(This->loadstate>=STATE_LOADED) {
set_error(This,"Unexpected end of file");
}
else {
This->needresume=1;
}
break;
case MNG_INVALIDSIG:
set_error(This,"Invalid or missing MNG file (maybe a 404 Not Found error)");
break;
default:
mng_getlasterror(This->mng, &iSeverity,&iChunkname,&iChunkseq,&iExtra1,
&iExtra2,&zErrortext);
if(zErrortext) {
set_error(This,"Error reported by libmng (%d)\r\n\r\n%s",(int)rv,zErrortext);
}
else {
set_error(This,"Error %d reported by libmng",(int)rv);
}
}
}
//---------------------------------------------------------------------------
void __fastcall TMainForm::MNGError( mng_handle hMNG, String SHMsg )
{
// get extended info
mng_uint32 iErrorcode;
mng_uint8 iSeverity;
mng_chunkid iChunkname;
mng_uint32 iChunkseq;
mng_int32 iExtra1;
mng_int32 iExtra2;
mng_pchar zErrortext;
char szFormatStr[ 256 ];
iErrorcode = mng_getlasterror( hMNG, &iSeverity, &iChunkname,
&iChunkseq, &iExtra1, &iExtra2,
&zErrortext);
wsprintf( szFormatStr,
"Error = %d; Severity = %d; Chunknr = %d; Extra1 = %d",
(int)iErrorcode, (int)iSeverity, (int)iChunkseq, (int)iExtra1
);
MsgBoxStop( SHMsg + "\n\n" + String( zErrortext ) + "\n\n" + String( szFormatStr ) );
}