Re: Lua for PalmOS - Some questions

["José dos Santos Machado" <jose@...>]

> I didn't do much testing; I tried to keep it simple and go for correctness
> instead of speed. If you find any bugs, please let me know.

Ok, if we find something wrong I'll let you know ! :) (but I doubt it...) 

> Note that you do not need a full-blown sprintf. The only place in the core
> that uses sprintf is this:
> lvm.c:#define lua_number2str(s,n)     sprintf((s), LUA_NUMBER_FMT, (n))

string.format uses it too... (lstrlib.c). I don't think a Lua5 port would be 
very useful without the string lib, and a complete sprintf/vsprintf function 
is useful in some cases. :) 

PalmOS native StrVsPrintF function is very limited. 

> So, you only need it to convert numbers to strings. If your port does not
> use floating-point numbers, this is really easy...

Hehehe, we're using doubles there, as Lua Numbers. And we've created a 
strtod and dtostr functions as well... So number conversion are working 
right, now. :) 

> The functions that the core uses but are not in my implementation are:
> sprintf, strtod, setjmp, longjmp, exit.

Since the port is working on Codewarrior now, we already has implemented 
strtod, sprintf (not MIT) and exit. 

> setjmp and longjmp depend on the compiler.
Codewarrior handles that for us... 

> Good luck.
Thank's ! We'll need it. :) 

J. Machado
machado@palmcon.com.br
Palmcon Consultoria (www.palmcon.com.br)
+55 21 9302-2794