On Wed, Jan 25, 2012 at 5:45 PM, Bill McCormick <wpmccorm...@gmail.com>wrote:

> 2. What will be void* argument be to the destructor?
> 3. What void* should the destructor return?
>


int sqlite3_bind_text(sqlite3_stmt*, int, const char*, int n, void(*)(void*));


It doesn't return a (void *) - it returns void. The (*) is part of the
function pointer declaration. The last function takes a pointer to memory
to free, e.g. semantically compatible with free().

For the full description of the semantics of the final argument, see:

http://www.sqlite.org/capi3ref.html#sqlite3_bind_blob

though it is admittedly somewhat confusing that one passes a (char const *)
as opposed to (char *) even when expecting (depending on the value of the
last parameter) it to be freed.

Here's an example of its usage:

http://www.adp-gmbh.ch/sqlite/bind_insert.html

-- 
----- stephan beal
http://wanderinghorse.net/home/stephan/
http://gplus.to/sgbeal
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