Move getaddrinfo from 'posix' into 'nss'

getaddrinfo is an entry point for nss functionality.  This commit moves
it from 'sysdeps/posix' to 'nss', gets rid of the stub in 'posix', and
moves all associated tests as well.
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

nss/Makefile

@@ -127,6 +127,7 @@ endif
 
 # hosts routines:
 routines += \
+  getaddrinfo \
   gethstbyad \
   gethstbyad_r \
   gethstbynm \
@@ -138,6 +139,7 @@ routines += \
   # routines
 
 ifeq ($(have-thread-library),yes)
+CFLAGS-getaddrinfo.c += -fexceptions
 CFLAGS-gethstbyad.c += -fexceptions
 CFLAGS-gethstbyad_r.c += -fexceptions
 CFLAGS-gethstbynm.c += -fexceptions
@@ -300,7 +302,13 @@ others-extras		= $(makedb-modules)
 extra-objs		+= $(makedb-modules:=.o)
 
 tests-static            = tst-field
-tests-internal		= tst-field
+
+tests-internal := \
+  tst-field \
+  tst-rfc3484 \
+  tst-rfc3484-2 \
+  tst-rfc3484-3 \
+  # tests-internal
 
 tests := \
   bug17079 \
@@ -309,6 +317,9 @@ tests := \
   test-rpcent \
   testgrp \
   tst-fgetsgent_r \
+  tst-getaddrinfo \
+  tst-getaddrinfo2 \
+  tst-getaddrinfo3 \
   tst-gethnm \
   tst-getpw \
   tst-gshadow \
@@ -327,7 +338,11 @@ tests := \
   tst-shadow \
   # tests
 
-xtests = bug-erange
+xtests := \
+  bug-erange \
+  tst-getaddrinfo4 \
+  tst-getaddrinfo5 \
+  # xtests
 
 tests-container := \
   tst-initgroups1 \

nss/Versions

@@ -19,6 +19,7 @@ libc {
     fgetspent; fgetspent_r;
 
     # g*
+    getaddrinfo;
     getaliasbyname; getaliasbyname_r; getaliasent; getaliasent_r;
     getgrent; getgrent_r; getgrgid; getgrgid_r; getgrnam; getgrnam_r;
     getgroups;

nss/tst-rfc3484-2.c

@@ -57,7 +57,7 @@ _res_hconf_init (void)
 }
 
 #undef	USE_NSCD
-#include "../sysdeps/posix/getaddrinfo.c"
+#include "getaddrinfo.c"
 
 nss_action_list __nss_hosts_database attribute_hidden;
 

nss/tst-rfc3484-3.c

@@ -57,7 +57,7 @@ _res_hconf_init (void)
 }
 
 #undef	USE_NSCD
-#include "../sysdeps/posix/getaddrinfo.c"
+#include "getaddrinfo.c"
 
 nss_action_list __nss_hosts_database attribute_hidden;
 

nss/tst-rfc3484.c

@@ -57,7 +57,7 @@ _res_hconf_init (void)
 }
 
 #undef	USE_NSCD
-#include "../sysdeps/posix/getaddrinfo.c"
+#include "getaddrinfo.c"
 
 nss_action_list __nss_hosts_database attribute_hidden;
 

posix/Makefile

@@ -88,7 +88,6 @@ routines := \
   fpathconf \
   gai_strerror \
   get_child_max \
-  getaddrinfo \
   getegid \
   geteuid \
   getgid \
@@ -287,9 +286,6 @@ tests := \
   tst-fnmatch7 \
   tst-fork \
   tst-gai_strerror \
-  tst-getaddrinfo \
-  tst-getaddrinfo2 \
-  tst-getaddrinfo3 \
   tst-getopt_long1 \
   tst-glob-tilde \
   tst-glob_symlinks \
@@ -351,9 +347,6 @@ tests-internal := \
   bug-regex5 \
   bug-regex20 \
   bug-regex33 \
-  tst-rfc3484 \
-  tst-rfc3484-2 \
-  tst-rfc3484-3 \
   # tests-internal
 
 tests-container := \
@@ -368,8 +361,6 @@ tests-time64 := \
   # tests-time64
 
 xtests	:= \
-  tst-getaddrinfo4 \
-  tst-getaddrinfo5 \
   tst-sched_rr_get_interval \
   # xtests
 
@@ -556,7 +547,6 @@ $(objpfx)config-name.h: $(..)scripts/config-uname.sh $(common-objpfx)config.make
 	   '$(config-machine)-$(config-vendor)' > $@.new
 	mv -f $@.new $@
 
-CFLAGS-getaddrinfo.c += -fexceptions
 CFLAGS-pause.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-pread.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-pread64.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)

posix/Versions

@@ -34,7 +34,7 @@ libc {
     fnmatch; fork; fpathconf; freeaddrinfo;
 
     # g*
-    getaddrinfo; getdtablesize; getegid; geteuid; getgid; getopt; getopt_long;
+    getdtablesize; getegid; geteuid; getgid; getopt; getopt_long;
     getopt_long_only; getpgid; getpgrp; getpid; getppid; getsid; getuid; glob;
     glob_pattern_p; globfree; group_member;
 

posix/getaddrinfo.c

@@ -1,38 +0,0 @@
-/* Stub version of getaddrinfo function.
-   Copyright (C) 1996-2023 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <netdb.h>
-
-int
-getaddrinfo (const char *name, const char *service, const struct addrinfo *req,
-	     struct addrinfo **pai)
-{
-  __set_errno (ENOSYS);
-  return EAI_SYSTEM;
-}
-stub_warning (getaddrinfo)
-libc_hidden_def (getaddrinfo)
-
-void
-freeaddrinfo (struct addrinfo *ai)
-{
-  /* Nothing.  */
-}
-stub_warning (freeaddrinfo)
-libc_hidden_def (freeaddrinfo)