On 20/12/2020 14:43, Tomas Hajny via fpc-pascal wrote: > On 2020-12-20 14:00, Jonas Maebe via fpc-pascal wrote: >> On 20/12/2020 13:01, Luca Olivetti via fpc-pascal wrote: >>> El 19/12/20 a les 23:15, Jonas Maebe via fpc-pascal ha escrit: >>>> It is indeed not possible to implement a function with C varargs in >>>> FPC. >>> >>> I was afraid that's the answer :-( >>> >>> as an ugly workaround, I wrote a c library that vsnprintf msg and args >>> to a buffer and then calls a pascal function with no varargs. >>> >>> It works but, as I said, it's ugly and I'd need to provide a .a for >>> every platform I plan to use. >>> >>> Is there a better/simpler way (apart from asking the library developers >>> to use a callback with no varargs)? >> >> No. > > Not necessarily better than platform specific .a files mentioned by > Luca, but the required playing with stack and registers should be still > doable with a function written in assembler (inside the Pascal sources), > shouldn't it?
Yes, but you'd have to write it separately for each ABI. Jonas _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
