cvs commit: src/sys/kern uipc_syscalls.c

Andre Oppermann andre at
Thu Apr 19 07:19:28 UTC 2007

Pawel Jakub Dawidek wrote:
> pjd         2007-04-19 05:54:45 UTC
>   FreeBSD src repository
>   Modified files:
>     sys/kern             uipc_syscalls.c 
>   Log:
>   Fix a bug in sendfile(2) when files larger than page size and nbytes=0.
>   When nbytes=0, sendfile(2) should use file size. Because of the bug, it
>   was sending half of a file. The bug is that 'off' variable can't be used
>   for size calculation, because it changes inside the loop, so we should
>   use uap->offset instead.

Good catch!  Thanks for finding and fixing this bug.  There is a second
bug that gets the accounting of the header wrong for which I've got a
fix already in testing.


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