Eric Biggers <[email protected]> wrote:
> - As much of the data as can be fitted into the buffer will be copied to
> - userspace if the buffer pointer is not NULL.
> -
> - On a successful return, the function will always return the amount of
> data
> - available rather than the amount copied.
> + On success, the function will return the amount of data placed into the
> + buffer.
>
> + If the specified buffer is too small, then the size of the buffer
> required
> + will be returned, and it is unspecified whether any data will be copied
> + into the buffer.
How about:
If the specified buffer is too small, then the size of the buffer
required will be returned. Note that, in this case, the contents of the
buffer may be have been overwritten in some undefined way.
Otherwise, on success, the function will return the amount of data copied
into the buffer.
David
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