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List:       busybox
Subject:    Re: [PATCH 1/2] iproute: codeshrink netlink message length check
From:       Bernhard Reutner-Fischer <rep.dot.nop () gmail ! com>
Date:       2019-11-13 17:55:09
Message-ID: 0D8A17AA-963E-4828-B986-8939284C9AB4 () gmail ! com
[Download RAW message or body]

On 12 November 2019 12:04:24 CET, Natanael Copa <ncopa@alpinelinux.org> wrote:
>reduce size by de-duplicate netlink message length check
>
>function                                             old     new  
>delta
>check_nlmsg_len                                        -      22    
>+22
>print_route                                         1901    1893     
>-8
>print_neigh                                         1082    1073     
>-9
>iproute_get                                          889     880     
>-9
>.rodata                                           139741  139723    
>-18
>------------------------------------------------------------------------------
>(add/remove: 1/0 grow/shrink: 0/4 up/down: 22/-44)            Total:
>-22
>bytes
>   text	   data	    bss	    dec	    hex	filename
> 876539	  15636	   2080	 894255	  da52f	busybox_old
> 876517	  15636	   2080	 894233	  da519	busybox_unstripped
>---
> networking/libiproute/ip_common.h |  1 +
> networking/libiproute/ipneigh.c   |  4 +---
> networking/libiproute/iproute.c   | 14 +++++++++-----
> 3 files changed, 11 insertions(+), 8 deletions(-)
>
>diff --git a/networking/libiproute/ip_common.h
>b/networking/libiproute/ip_common.h
>index 40171bed9..9f7f927c7 100644
>--- a/networking/libiproute/ip_common.h
>+++ b/networking/libiproute/ip_common.h
>@@ -30,6 +30,7 @@ int FAST_FUNC do_iplink(char **argv);
> //int FAST_FUNC do_ipmonitor(char **argv);
> //int FAST_FUNC do_multiaddr(char **argv);
> //int FAST_FUNC do_multiroute(char **argv);
>+int FAST_FUNC check_nlmsg_len(int len);

void ?
TIA,
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