Re: [PATCH] Provide family and protocol to make getaddrinfo happy

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On Wednesday 2011-05-25 15:26, Lutz Jaenicke wrote:
>On Wed, May 25, 2011 at 02:31:05PM +0200, Jan Engelhardt wrote:
>> 
>> >getaddrinfo() will fail for numeric port numbers if neither
>> >the socket type (stream/datagram) nor the protocol is
>> >provided. [in uclibc]
>
>As I wrote in my introduction for the patch (which has not yet made it to the
>mailing list), other C libraries behave like uClibc:
>* http://gitorious.org/0xdroid/bionic/blobs/9ab75d4cc803e91b7f1b656ffbe2ad32c52a86f9/libc/netbsd/net/getaddrinfo.c                                                
>  -> look for "ANDROID-SPECIFIC CHANGE TO MATCH GLIBC" :-)
>* http://www.freebsd.org/cgi/query-pr.cgi?pr=51827
>* Especially I like
>  http://www.openbsd.org/cgi-bin/cvsweb/~checkout~/src/lib/libc/net/getaddrinfo.c?rev=1.72;content-type=text%2Fplain
>  which in the text says 
>	/*
>	 * check for special cases.  (1) numeric servname is disallowed if
>	 * socktype/protocol are left unspecified. (2) servname is disallowed
>	 * for raw and other inet{,6} sockets.
>	 */
>  (and I took this as a reference until now) but later in get_portmatch():
>  	case SOCK_DGRAM:
>	case SOCK_STREAM:
>	case ANY:
>		allownumeric = 1;

So in other words, four libraries allow it, and one - Âclibc - has a bug that
should be fixed.
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