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Change getaddrinfo' test to handle the GNU-specific EAI_NODATA'.

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* doc/ref/posix.texi (Network Databases): Mention `EAI_NODATA'.

* libguile/net_db.c (scm_getaddrinfo): Likewise for the docstring.

* test-suite/tests/net-db.test ("getaddrinfo")["no name"]: Handle
  `EAI_NODATA'.
This commit is contained in:
Ludovic Courtès 2011-01-05 22:17:26 +01:00
parent 8891bd1b16
commit 66d8613108
3 changed files with 23 additions and 5 deletions
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8
doc/ref/posix.texi
View file

@ -1,6 +1,6 @@
@c -*-texinfo-*-
@c This is part of the GNU Guile Reference Manual.
@c Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010
@c Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011
@c Free Software Foundation, Inc.
@c See the file guile.texi for copying conditions.
@ -2497,6 +2497,12 @@ resolve the name.
Either @var{name} does not resolve for the supplied parameters,
or neither @var{name} nor @var{service} were supplied.
@item EAI_NODATA
This non-POSIX error code can be returned on GNU systems when a
request was actually made but returned no data, meaning
that no address is associated with @var{name}. Error handling
code should be prepared to handle it when it is defined.
@item EAI_SERVICE
@var{service} was not recognized for the specified socket type.

7
libguile/net_db.c
View file

@ -1,5 +1,5 @@
/* "net_db.c" network database support
* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2006, 2009, 2010 Free Software Foundation, Inc.
* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2006, 2009, 2010, 2011 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@ -590,6 +590,11 @@ SCM_DEFINE (scm_getaddrinfo, "getaddrinfo", 1, 5, 0,
"@item EAI_NONAME\n"
"Either @var{name} does not resolve for the supplied parameters, "
"or neither @var{name} nor @var{service} were supplied.\n\n"
"@item EAI_NODATA\n"
"This non-POSIX error code can be returned on GNU systems when a\n"
"request was actually made but returned no data, meaning\n"
"that no address is associated with @var{name}. Error handling\n"
"code should be prepared to handle it when it is defined.\n\n"
"@item EAI_SERVICE\n"
"@var{service} was not recognized for the specified socket type.\n\n"
"@item EAI_SOCKTYPE\n"

13
test-suite/tests/net-db.test
View file

@ -1,7 +1,7 @@
;;;; net-db.test --- Test suite for `net-db' -*- mode: scheme; coding: utf-8; -*-
;;;; Ludovic Courtès <ludo@gnu.org>
;;;;
;;;; Copyright (C) 2010 Free Software Foundation, Inc.
;;;; Copyright (C) 2010, 2011 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@ -73,9 +73,16 @@
(throw 'unresolved))
(lambda (key errcode)
;; In some cases (e.g., in a chroot without
;; /etc/{hosts,resolv.conf}), this can result in `EAI_EAGAIN'.
;; /etc/{hosts,resolv.conf}), this can result in
;; `EAI_EAGAIN' (glibc 2.11), or `EAI_NODATA' (glibc 2.12).
(and (or (= errcode EAI_NONAME)
(= errcode EAI_AGAIN))
(and (defined? 'EAI_NODATA) ; GNU extension
(= errcode EAI_NODATA))
(= errcode EAI_AGAIN)
(begin
(format #t "unexpected error code: ~a ~s~%"
errcode (gai-strerror errcode))
#f))
(string? (gai-strerror errcode))))))
(pass-if "wrong service name"