[EMAIL PROTECTED] schrieb:
> (Is this the right place to ask ctypes questions? There's a mailing list
> but the last post to it seems to have been in November 2006.)
No, it's active.
> Using ctypes I reference a structure which contains a pointer to an array of
> another structure:
>
> class SYMBOL(Structure):
> _fields_ = [("symbol", c_char_p),
> ("num", c_int),
> ("units", c_int),
> ("baseprice", c_int),
> ("active", c_int)]
> SYMBOL_PTR = POINTER(SYMBOL)
>
> class TABLE(Structure):
> _fields_ = [("map", SYMBOL_PTR),
> ("nsymbols", c_uint),
> ...]
>
> Effectively, TABLE.map is an array of TABLE.nsymbols SYMBOLS. How to I
> reference elements in that array? In C I would just treat TABLE.map like an
> array and index into it (for i=0; i< TABLE.nsymbols; i++) ...). This is
> data returned from a C library, not something I'm building in Python to pass
> into C.
I think you should be able to create an array-type with the required
number of entries, and cast map to that. Along these lines (untested)
ap = POINTER(SYMBOL(table.nsymbols))
map = cast(table.map, ap)
Diez
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