Re: Is there a recent change to TProcess?
Tomas Hajny via fpc-pascal <[email protected]>
| Newsgroups | gmane.comp.compilers.free-pascal.general |
|---|---|
| Message-ID | <[email protected]> |
On 2024-12-20 14:22, Michael Van Canneyt via fpc-pascal wrote: > On Fri, 20 Dec 2024, Karoly Balogh via fpc-pascal wrote: >> Hi, >> On Fri, 20 Dec 2024, Michael Van Canneyt via fpc-pascal wrote: >> >>>> If I compile it with: >>>> Free Pascal Compiler version 3.3.1-16969-g798f2ba632-dirty >>>> [2024/11/28] for >>>> i386 >>>> I get almost what I expected, but my #$EE is now been changed to >>>> #$3F (and >>>> all similar codes in the range of #$D0 - #$EF have been changed to >>>> #$3F as >>>> well) >>>> Sent: #$EE#$59#$20#$4D#$69#$6E#$20 >>>> Received: #$3F#$59#$20#$4D#$69#$6E#$20 >>>> >>>> Does anyone know why this is? I have tried it several times, if I >>>> compile >>>> it with the trunk from 2024/03/18 it's fine, if I use the current >>>> trunk my >>>> other program is receiving the wrong data. noted that I never >>>> re-compiled >>>> CMD_Message.exe so it must be that my TProcess is now sending >>>> modified >>>> parameters to my program. >>>> >>>> Is there any way to get TProcess in the current trunk to work the >>>> way it >>>> used to? >>> >>> Note that sending a non-ascii string on the command-line is a bad >>> idea. >>> It's susceptible to codepage issues, and will most likely behave >>> differently >>> depending on whether the ANSI or WideString version of the underlying >>> windows API is used. >> >> Which is what probably happens here. "3F" is the ASCII code for the >> "?" >> character, which is used as a joker character for codepage >> conversions, >> when the mapping cannot be determined... >> >> I was also wondering if some basic behavior changes regarding string >> types >> have been introducted into the RTL, that somehow leaks into TProcess, >> by >> introducing a conversion somehow along the way. > > I am not aware of any such changes, but given your remark about the > meaning > of 3F, the latter seems a likely explanation. Could it be due to a change of compilation mode (DELPHIUNICODE etc.) by the user? Tomas _______________________________________________ fpc-pascal maillist - [email protected] https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal