Re: Wrong protocol in IPV6_V6ONLY.2const

[Alejandro Colomar <alx@kernel.org>]

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Hi!

On 2026-06-21T18:00:20+0200, Phosit wrote:
> In the synopsis of "IPV6_V6ONLY.2const" the function signature uses
> `IPPROTO_IP`.  When using that the function seems to have no effect.  I
> think it should state `IPPROTO_IPV6`.

Thanks!  It seems a mistake introduced recently.  I've fixed it with
this commit:

	commit 3b2ac90b3518635966754ff83d703c5f6029ae74
	Author: Alejandro Colomar <alx@kernel.org>
	Date:   2026-06-21 19:15:20 +0200

	    man/man2const/IPV6_V6ONLY.2const: $2 is IPPROTO_IPV6, not IPPROTO_IP
	    
	    Fixes: 07d5d5b62a8f (2025-12-02; "man/man2const/{IPPROTO_IPV6,IPV6_V6ONLY}.2const: Split IPV6_V6ONLY from IPPROTO_IPV6(2const)")
	    Reported-by: Phosit <phosit@autistici.org>
	    Signed-off-by: Alejandro Colomar <alx@kernel.org>

	diff --git a/man/man2const/IPV6_V6ONLY.2const b/man/man2const/IPV6_V6ONLY.2const
	index bf8c9aeed560..4ade0db33371 100644
	--- a/man/man2const/IPV6_V6ONLY.2const
	+++ b/man/man2const/IPV6_V6ONLY.2const
	@@ -15,7 +15,7 @@ .SH SYNOPSIS
	 .BR "#include <netinet/in.h>" "  /* Definition of " IP* " constants */"
	 .B #include <sys/socket.h>
	 .P
	-.BI int\~setsockopt(int\~ sockfd ,\~IPPROTO_IP,\~IPV6_V6ONLY,
	+.BI int\~setsockopt(int\~ sockfd ,\~IPPROTO_IPV6,\~IPV6_V6ONLY,
	 .BI "               const\~int\~*" enable ,\~sizeof(int));
	 .fi
	 .SH DESCRIPTION


Have a lovely day!
Alex

-- 
<https://www.alejandro-colomar.es>

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