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Re: [Qemu-devel] [PATCH] slirp: replace QEMU_BUILD_BUG_ON with G_STATIC_


From: Marc-André Lureau
Subject: Re: [Qemu-devel] [PATCH] slirp: replace QEMU_BUILD_BUG_ON with G_STATIC_ASSERT
Date: Sun, 27 Jan 2019 16:02:53 +0400

On Sun, Jan 27, 2019 at 3:56 PM Samuel Thibault
<address@hidden> wrote:
>
> Signed-off-by: Samuel Thibault <address@hidden>

Reviewed-by: Marc-André Lureau <address@hidden>

> ---
>  slirp/ip.h       |  4 ++--
>  slirp/ip6.h      |  4 ++--
>  slirp/ip6_icmp.h | 10 +++++-----
>  3 files changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/slirp/ip.h b/slirp/ip.h
> index 2baeeb9a3a..73a4d2a3d2 100644
> --- a/slirp/ip.h
> +++ b/slirp/ip.h
> @@ -229,8 +229,8 @@ struct      ipasfrag {
>         struct ip ipf_ip;
>  };
>
> -QEMU_BUILD_BUG_ON(offsetof(struct ipq, frag_link) !=
> -                  offsetof(struct ipasfrag, ipf_link));
> +G_STATIC_ASSERT(offsetof(struct ipq, frag_link) ==
> +                offsetof(struct ipasfrag, ipf_link));
>
>  #define ipf_off      ipf_ip.ip_off
>  #define ipf_tos      ipf_ip.ip_tos
> diff --git a/slirp/ip6.h b/slirp/ip6.h
> index 4e7c366505..5361bd7449 100644
> --- a/slirp/ip6.h
> +++ b/slirp/ip6.h
> @@ -152,7 +152,7 @@ struct ip6_pseudohdr {
>   * If we marked the struct as packed then we would be unable to take
>   * the address of any of the fields in it.
>   */
> -QEMU_BUILD_BUG_ON(sizeof(struct ip6) != 40);
> -QEMU_BUILD_BUG_ON(sizeof(struct ip6_pseudohdr) != 40);
> +G_STATIC_ASSERT(sizeof(struct ip6) == 40);
> +G_STATIC_ASSERT(sizeof(struct ip6_pseudohdr) == 40);
>
>  #endif
> diff --git a/slirp/ip6_icmp.h b/slirp/ip6_icmp.h
> index 3f44ed2f49..e8ed753db5 100644
> --- a/slirp/ip6_icmp.h
> +++ b/slirp/ip6_icmp.h
> @@ -50,14 +50,14 @@ struct ndp_ra {     /* Router Advertisement Message */
>      uint32_t retrans_time;  /* Retrans Timer */
>  };
>
> -QEMU_BUILD_BUG_ON(sizeof(struct ndp_ra) != 12);
> +G_STATIC_ASSERT(sizeof(struct ndp_ra) == 12);
>
>  struct ndp_ns {     /* Neighbor Solicitation Message */
>      uint32_t reserved;
>      struct in6_addr target; /* Target Address */
>  };
>
> -QEMU_BUILD_BUG_ON(sizeof(struct ndp_ns) != 20);
> +G_STATIC_ASSERT(sizeof(struct ndp_ns) == 20);
>
>  struct ndp_na {     /* Neighbor Advertisement Message */
>  #if G_BYTE_ORDER == G_BIG_ENDIAN
> @@ -78,7 +78,7 @@ struct ndp_na {     /* Neighbor Advertisement Message */
>      struct in6_addr target; /* Target Address */
>  };
>
> -QEMU_BUILD_BUG_ON(sizeof(struct ndp_na) != 20);
> +G_STATIC_ASSERT(sizeof(struct ndp_na) == 20);
>
>  struct ndp_redirect {
>      uint32_t reserved;
> @@ -86,7 +86,7 @@ struct ndp_redirect {
>      struct in6_addr dest;   /* Destination Address */
>  };
>
> -QEMU_BUILD_BUG_ON(sizeof(struct ndp_redirect) != 36);
> +G_STATIC_ASSERT(sizeof(struct ndp_redirect) == 36);
>
>  /*
>   * Structure of an icmpv6 header.
> @@ -113,7 +113,7 @@ struct icmp6 {
>  #define icmp6_redirect icmp6_body.ndp_redirect
>  };
>
> -QEMU_BUILD_BUG_ON(sizeof(struct icmp6) != 40);
> +G_STATIC_ASSERT(sizeof(struct icmp6) == 40);
>
>  #define ICMP6_MINLEN    4
>  #define ICMP6_ERROR_MINLEN  8
> --
> 2.20.1
>
>


-- 
Marc-André Lureau



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