Hi Eric,
I did many debug sessions and that allowed me to study the filesystem code
quite well:
there are no "toupper" or similar function calls from dos_open() down to
exechr().
Enrico
>
> Hi Enrico,
>
> > I noticed that in this version of FreeDOS, the function:
> > Upmem (unsigned char* str, unsigned int len)
> > is missing and the filesystem seems case sensitive.
> > I indeed can't open an existing file, named "foo.txt", when I call:
> > dos_open ("Foo.txt,..,..);
>
> Interesting. There are various "to upper case" functions in use:
>
> strupr - to upper case plain ASCII things in config sys, like
> device driver args and env var names.
> DosUpFMem - used in DeviceOpenSft but not in DosOpenSft
> ... otoh, truename calls DosUpFString at some point
> upMMem - only used in nls(F)UpMem for NLS functions
> DosUpFString - used in truename, simple DosUpFMem wrapper
>
> So at first glance DosOpenSft seems to call a DosUpF* function
> as needed, but your dos_open experiment fails. Maybe somebody
> else can tell what is going wrong here?
>
> Eric
>
>
>
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