CRC32
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From: Lars Broberg on 13 Nov 2006 09:58 Ok, It was a C-dll if I remember correctly? Filip's response looks ok to me. Regards Lars Broberg Elbe-Data AB lars at elbe-data dot se Lennart Bj?rk wrote: > Lars, > > > Have you tried declaring "the string" as a psz? > > That was one of my first attempts that failed. In fact this is > Clifford's problem, the one he asked us about last time we met, and he > is too shy to ask here himself. > > But I did not test it exactly the way Filip proposes. I am about to test > his way now. > > Lennart
From: Lennart Björk on 13 Nov 2006 10:04 Filip, > String are only working in vo. Try psz instead. : I tried and changed everything to psz like _dll function HEX_CRC32(pszInput as psz) as psz pascal:diCrEnc.HEX_CRC32 and my test-method to method CRC_Test() class Shell local pszInput as psz local pszOutput as psz local sOutput as string pszInput := String2Psz("123456789") pszOutput := HEX_CRC32(pszInput) sOutput := Psz2String(pszOutput) return On the line pszOutput := HEX_CRC32(pszInput) it flips out with Error Code: 50 [ ] Subsystem: VO-CODE Error Subcode: 5333 Argument Number: 2 I have always been very curious to meet 'Argument Number: 2'. He has spoiled many of my programs. And now he is here without being asked for. Lennart Bj?rk
From: Lennart Björk on 13 Nov 2006 10:19 Malcolm Gray, > Do you have a C prototype for the function < The manual of the function does not say much about C, but there is /* CRC-32 PROTOTYPE */ long _stdcall cHEX_CRC32(char *output, unsigned char *input, long in_len); Note the lower-case letter 'c' preceding each name here to differentiate from the functions in the Visual Basic interface. We have used the ANSI standard char* and unsigned char* types here, but could have used the Windows LPSTR and LPBYTE instead. Lennart Bj?rk
From: Ronny Michiels on 13 Nov 2006 10:19 Lennart, Perhaps another version from see www.cryptosys.net ? There it is called DICRYPTOSYS.DLL ... ----- _DLL FUNCTION CRC_String(strInput AS STRING, nOptions AS LONG) AS LONG PASCAL:DICRYPTOSYS.DLL.CRC_String ----- LOCAL nResult AS LONG ? nResult:=CRC_String(PSZ("123456789"), 0) // Is the result HEX CBF43926 ? ? AsHexString(nResult) // Yes ! ----- Ronny. Lennart Bj?rk wrote: > Filip, > > > String are only working in vo. Try psz instead. : > > I tried and changed everything to psz like > > _dll function HEX_CRC32(pszInput as psz) as psz pascal:diCrEnc.HEX_CRC32 > > and my test-method to > > method CRC_Test() class Shell > local pszInput as psz > local pszOutput as psz > local sOutput as string > > pszInput := String2Psz("123456789") > pszOutput := HEX_CRC32(pszInput) > > sOutput := Psz2String(pszOutput) > > return > > On the line > pszOutput := HEX_CRC32(pszInput) > it flips out with > > Error Code: 50 [ ] > Subsystem: VO-CODE > Error Subcode: 5333 > Argument Number: 2 > > I have always been very curious to meet 'Argument Number: 2'. He has > spoiled many of my programs. And now he is here without being asked for. > > Lennart Bj?rk
From: Ronny Michiels on 13 Nov 2006 10:26
Lennart, Another version (www.cryptosys.net) ? Here it is called DICRYPTOSYS.DLL ... ----- _DLL FUNCTION CRC_String(strInput AS STRING, nOptions AS LONG) AS LONG PASCAL:DICRYPTOSYS.DLL.CRC_String ----- METHOD TestPushButton() CLASS YourTestWindow LOCAL nResult AS LONG ? nResult:=CRC_String("123456789", 0) // Is the result HEX CBF43926 ? ? AsHexString(nResult) // Yes ----- Ronny. Lennart Bj?rk wrote: > Malcolm Gray, > > > > Do you have a C prototype for the function > < > > The manual of the function does not say much about C, but there is > > > /* CRC-32 PROTOTYPE */ > long _stdcall cHEX_CRC32(char *output, unsigned char *input, long in_len); > > Note the lower-case letter 'c' preceding each name here to differentiate > from the functions in the Visual Basic interface. We have used the ANSI > standard char* and unsigned char* types here, but could have used the > Windows LPSTR and LPBYTE instead. > > > Lennart Bj?rk |