Re: [Minios-devel] [UNIKRAFT/LWIP PATCH 2/3] Add gethostbyaddr stub

[Costin Lupu <costin.lup@xxxxxxxxx>]

Reviewed-by: Costin Lupu <costin.lupu@xxxxxxxxx>

On 6/25/19 7:32 PM, Vlad-Andrei BĂDOIU (78692) wrote:
> This patch adds a new file host.c that holds host related functions. For now,
> gethostbyaddr is available.
> 
> Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
> ---
>  Makefile.uk   |  1 +
>  exportsyms.uk |  1 +
>  host.c        | 42 ++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 44 insertions(+)
>  create mode 100644 host.c
> 
> diff --git a/Makefile.uk b/Makefile.uk
> index 067aa04..abdecdc 100644
> --- a/Makefile.uk
> +++ b/Makefile.uk
> @@ -71,6 +71,7 @@ LIBLWIP_CFLAGS-$(CONFIG_LWIP_DEBUG) += -DUK_DEBUG
>  
> ################################################################################
>  LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/alloc.c|unikraft
>  LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/proto.c
> +LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/host.c
>  LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/mutex.c|unikraft
>  LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/semaphore.c|unikraft
>  LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/mailbox.c|unikraft
> diff --git a/exportsyms.uk b/exportsyms.uk
> index 0964804..965b67c 100644
> --- a/exportsyms.uk
> +++ b/exportsyms.uk
> @@ -31,3 +31,4 @@ setprotoent
>  getprotoent
>  getprotobyname
>  getprotobynumber
> +gethostbyaddr
> diff --git a/host.c b/host.c
> new file mode 100644
> index 0000000..559d186
> --- /dev/null
> +++ b/host.c
> @@ -0,0 +1,42 @@
> +/* SPDX-License-Identifier: BSD-3-Clause */
> +/*
> + * Copyright (c) 2019, University Politehnica of Bucharest.
> + *                     All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + *    notice, this list of conditions and the following disclaimer in the
> + *    documentation and/or other materials provided with the distribution.
> + * 3. Neither the name of the copyright holder nor the names of its
> + *    contributors may be used to endorse or promote products derived from
> + *    this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 
> IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + *
> + * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
> + */
> +
> +#include <unistd.h>
> +#include <sys/socket.h>
> +
> +struct hostent *gethostbyaddr(const void *addr __unused,
> +     socklen_t len __unused, int type __unused)
> +{
> +     return NULL;
> +}
> +
> 

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