Thanks!
I'm sorry. There is a mistake in the last email.
In fact, I means that when the length of an string is 6 or 7,
requests->requestvb->val.val_len != strlen(requests->requestvb->val.string).
在 2011-12-19 23:20:38，"Dave Shield" <d.t.shi...@liverpool.ac.uk> 写道：
>2011/12/19 雷哲 <nets...@163.com>:
>> I find that var_len != sizeof(var.string) when var_len==6 or var_len==7,
>> I think that is a bug. Is it?
>
>No.
>
> var.string is a pointer to char - so will always be either 4 or 8 bytes
>(depending on whether this is a 32-bit or 64-bit systems).
>
>'var_len' is the *length* of the string that this pointer refers to.
>This can be anything from 0 to 2^32 characters long.
>
>It would be relatively unusual for var_len to be the same as
>sizeof(var.string) - except in very specific circumstances.
>
>Dave
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