On Fri, Mar 4, 2011 at 8:28 PM, Nicolas Kaiser <nikai@xxxxxxxxx> wrote:
> 'bytes' is unsigned of type size_t, and can't be negative.
> But the assigned write() returns ssize_t, and -1 on error.
> For testing < 0, 'bytes' needs to be of a signed type.
You are right that, but the fix should be to use ssize_t not plain "int".
(udt_do_read() correctly uses ssize_t)
Not providing patch since the change is trivial.
>
> Signed-off-by: Nicolas Kaiser <nikai@xxxxxxxxx>
> ---
> Testsuite did not regress at my place.
>
> transport-helper.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/transport-helper.c b/transport-helper.c
> index 4e4754c..710b6f1 100644
> --- a/transport-helper.c
> +++ b/transport-helper.c
> @@ -973,7 +973,7 @@ static int udt_do_read(struct unidirectional_transfer *t)
> */
> static int udt_do_write(struct unidirectional_transfer *t)
> {
> - size_t bytes;
> + int bytes;
>
> if (t->bufuse == 0)
> return 0; /* Nothing to write. */
> @@ -989,7 +989,7 @@ static int udt_do_write(struct unidirectional_transfer *t)
> if (t->bufuse)
> memmove(t->buf, t->buf + bytes, t->bufuse);
> transfer_debug("Wrote %i bytes to %s (buffer now at %i)",
> - (int)bytes, t->dest_name, (int)t->bufuse);
> + bytes, t->dest_name, (int)t->bufuse);
> }
> return 0;
> }
> --
> 1.7.3.4
--
Piotrek
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