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On 01/05/2015 11:43 PM, Valery Reznic wrote:
> I was planing to use this function like following:
>
> -------------------------------
>
> int res; char *errmsg;
I'd recommend you explicitly set that to NULL here.
>
> res = sqlite3_exec( db, zSql, NULL, NULL, &errmsg );
>
> if ( res != SQLITE_OK) { fprintf( stderr, "%s", errmsg)
> sqlite3_free( errmsg )
>
> }
In your print block you can do this:
fprintf(stderr, "%d: %s", res, errmsg ? errmsg : "Error");
You can also put this line outside the error block (sqlite3_free on
NULL is harmless):
sqlite3_free( errmsg );
This way you will always free the message no matter what happened, and
will show error text if available.
Roger
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