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authorArjun Shankar <arjun@redhat.com>2023-10-02 14:55:15 +0200
committerArjun Shankar <arjun@redhat.com>2023-10-24 12:30:59 +0200
commitb121fdc552f392cd86b21f159dd3e3b998de91a3 (patch)
treeeee235f1a10c6ce5d1b4d5a760c4a00d1d86e24d
parent83d13972f23546758b600ba940e0d53248dd0339 (diff)
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Remove 'grp' and merge into 'nss' and 'posix'
The majority of grp routines are entry points for nss functionality.
This commit removes the 'grp' subdirectory and moves all nss-relevant
functionality and all tests to 'nss', and the 'setgroups' stub into
'posix' (alongside the 'getgroups' stub).  References to grp/ are
accordingly changed.  In addition, compat-initgroups.c, a fallback
implementation of initgroups is renamed to initgroups-fallback.c so that
the build system does not confuse it for nss_compat/compat-initgroups.c.

Build time improves very slightly; e.g. down from an average of 45.5s to
44.5s on an 8-thread mobile x86_64 CPU.
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
-rw-r--r--Makeconfig2
-rw-r--r--grp/Makefile70
-rw-r--r--grp/Versions34
-rw-r--r--include/grp-merge.h2
-rw-r--r--include/grp.h2
-rw-r--r--nscd/initgrcache.c2
-rw-r--r--nss/Makefile43
-rw-r--r--nss/Versions30
-rw-r--r--nss/fgetgrent.c (renamed from grp/fgetgrent.c)0
-rw-r--r--nss/fgetgrent_r.c (renamed from grp/fgetgrent_r.c)0
-rw-r--r--nss/getgrent.c (renamed from grp/getgrent.c)0
-rw-r--r--nss/getgrent_r.c (renamed from grp/getgrent_r.c)0
-rw-r--r--nss/getgrgid.c (renamed from grp/getgrgid.c)0
-rw-r--r--nss/getgrgid_r.c (renamed from grp/getgrgid_r.c)0
-rw-r--r--nss/getgrnam.c (renamed from grp/getgrnam.c)0
-rw-r--r--nss/getgrnam_r.c (renamed from grp/getgrnam_r.c)0
-rw-r--r--nss/grp-merge.c (renamed from grp/grp-merge.c)0
-rw-r--r--nss/grp-merge.h (renamed from grp/grp-merge.h)0
-rw-r--r--nss/grp.h (renamed from grp/grp.h)0
-rw-r--r--nss/initgroups-fallback.c (renamed from grp/compat-initgroups.c)0
-rw-r--r--nss/initgroups.c (renamed from grp/initgroups.c)2
-rw-r--r--nss/putgrent.c (renamed from grp/putgrent.c)0
-rw-r--r--nss/testgrp.c (renamed from grp/testgrp.c)0
-rw-r--r--nss/tst-initgroups1.c (renamed from grp/tst-initgroups1.c)0
-rw-r--r--nss/tst-initgroups1.root/etc/group (renamed from grp/tst-initgroups1.root/etc/group)0
-rw-r--r--nss/tst-initgroups1.root/etc/nsswitch.conf (renamed from grp/tst-initgroups1.root/etc/nsswitch.conf)0
-rw-r--r--nss/tst-initgroups1.root/etc/passwd (renamed from grp/tst-initgroups1.root/etc/passwd)0
-rw-r--r--nss/tst-initgroups2.c (renamed from grp/tst-initgroups2.c)0
-rw-r--r--nss/tst-initgroups2.root/etc/group (renamed from grp/tst-initgroups2.root/etc/group)0
-rw-r--r--nss/tst-initgroups2.root/etc/nsswitch.conf (renamed from grp/tst-initgroups2.root/etc/nsswitch.conf)0
-rw-r--r--nss/tst-initgroups2.root/etc/passwd (renamed from grp/tst-initgroups2.root/etc/passwd)0
-rw-r--r--nss/tst-putgrent.c (renamed from grp/tst-putgrent.c)0
-rw-r--r--nss/tst_fgetgrent.c (renamed from grp/tst_fgetgrent.c)0
-rw-r--r--nss/tst_fgetgrent.sh (renamed from grp/tst_fgetgrent.sh)10
-rw-r--r--posix/Makefile1
-rw-r--r--posix/Versions2
-rw-r--r--posix/setgroups.c (renamed from grp/setgroups.c)0
-rwxr-xr-xscripts/update-copyrights2
38 files changed, 85 insertions, 117 deletions
diff --git a/Makeconfig b/Makeconfig
index c48fcc59e8..9ff6a902e9 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -1352,7 +1352,7 @@ endif
 # dependencies and generate sorted-subdirs dynamically.
 all-subdirs = csu assert ctype locale intl catgets math setjmp signal	    \
 	      stdlib stdio-common libio malloc string wcsmbs time dirent    \
-	      grp pwd posix io termios resource misc socket sysvipc gmon    \
+	      pwd posix io termios resource misc socket sysvipc gmon        \
 	      gnulib iconv iconvdata wctype manual shadow gshadow po argp   \
 	      localedata timezone rt conform debug mathvec support	    \
 	      dlfcn elf
diff --git a/grp/Makefile b/grp/Makefile
deleted file mode 100644
index 38006fb5c3..0000000000
--- a/grp/Makefile
+++ /dev/null
@@ -1,70 +0,0 @@
-# Copyright (C) 1991-2023 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/>.
-
-#
-#	Sub-makefile for grp portion of the library.
-#
-subdir	:= grp
-
-include ../Makeconfig
-
-headers := grp.h
-
-routines := fgetgrent initgroups setgroups \
-	    getgrent getgrgid getgrnam putgrent \
-	    getgrent_r getgrgid_r getgrnam_r fgetgrent_r \
-	    grp-merge
-
-tests := testgrp tst-putgrent
-
-tests-container = \
-	tst-initgroups1 \
-	tst-initgroups2
-
-ifeq (yes,$(build-shared))
-test-srcs :=  tst_fgetgrent
-ifeq ($(run-built-tests),yes)
-tests-special += $(objpfx)tst_fgetgrent.out
-endif
-endif
-
-
-include ../Rules
-
-ifeq ($(have-thread-library),yes)
-
-CFLAGS-getgrgid_r.c += -fexceptions
-CFLAGS-getgrnam_r.c += -fexceptions
-CFLAGS-getgrent_r.c += -fexceptions
-CFLAGS-getgrent.c += -fexceptions
-CFLAGS-fgetgrent.c += -fexceptions
-CFLAGS-fgetgrent_r.c += -fexceptions $(libio-mtsafe)
-CFLAGS-putgrent.c += -fexceptions $(libio-mtsafe)
-CFLAGS-initgroups.c += -fexceptions
-CFLAGS-getgrgid.c += -fexceptions
-
-endif
-
-ifeq ($(run-built-tests),yes)
-# tst_fgetgrent currently only works with shared libraries
-ifeq (yes,$(build-shared))
-$(objpfx)tst_fgetgrent.out: tst_fgetgrent.sh $(objpfx)tst_fgetgrent
-	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
-	$(evaluate-test)
-
-endif
-endif
diff --git a/grp/Versions b/grp/Versions
deleted file mode 100644
index 096caa47c5..0000000000
--- a/grp/Versions
+++ /dev/null
@@ -1,34 +0,0 @@
-libc {
-  GLIBC_2.0 {
-    # e*
-    endgrent;
-
-    # f*
-    fgetgrent; fgetgrent_r;
-
-    # g*
-    getgrent; getgrent_r; getgrgid; getgrgid_r; getgrnam; getgrnam_r;
-    getgroups;
-
-    # i*
-    initgroups;
-
-    # s*
-    setgrent; setgroups;
-  }
-  GLIBC_2.1 {
-    # p*
-    putgrent;
-  }
-  GLIBC_2.1.2 {
-    # g*
-    getgrent_r; getgrgid_r; getgrnam_r;
-  }
-  GLIBC_2.2.4 {
-    # g*
-    getgrouplist;
-  }
-  GLIBC_PRIVATE {
-    __merge_grp; __copy_grp;
-  }
-}
diff --git a/include/grp-merge.h b/include/grp-merge.h
index 331ac20ea9..fc9a25df01 100644
--- a/include/grp-merge.h
+++ b/include/grp-merge.h
@@ -1,5 +1,5 @@
 #ifndef _GRP_MERGE_H
-#include <grp/grp-merge.h>
+#include <nss/grp-merge.h>
 
 libc_hidden_proto (__copy_grp)
 libc_hidden_proto (__merge_grp)
diff --git a/include/grp.h b/include/grp.h
index 2cd2475534..96b98a3cde 100644
--- a/include/grp.h
+++ b/include/grp.h
@@ -1,5 +1,5 @@
 #ifndef _GRP_H
-#include <grp/grp.h>
+#include <nss/grp.h>
 
 #ifndef _ISOMAC
 libc_hidden_proto (setgroups)
diff --git a/nscd/initgrcache.c b/nscd/initgrcache.c
index be44951bd6..8d8e1c2dbf 100644
--- a/nscd/initgrcache.c
+++ b/nscd/initgrcache.c
@@ -45,7 +45,7 @@ static const initgr_response_header notfound =
 };
 
 
-#include "../grp/compat-initgroups.c"
+#include "../nss/initgroups-fallback.c"
 
 
 static time_t
diff --git a/nss/Makefile b/nss/Makefile
index 32764b74c0..baf7d9d0ab 100644
--- a/nss/Makefile
+++ b/nss/Makefile
@@ -23,6 +23,7 @@ subdir	:= nss
 include ../Makeconfig
 
 headers := \
+  grp.h \
   nss.h \
   # headers
 
@@ -50,6 +51,34 @@ routines = \
   valid_list_field \
   # routines
 
+# grp routines:
+routines += \
+  fgetgrent \
+  fgetgrent_r \
+  getgrent \
+  getgrent_r \
+  getgrgid \
+  getgrgid_r \
+  getgrnam \
+  getgrnam_r \
+  grp-merge \
+  initgroups \
+  putgrent \
+  # routines
+
+ifeq ($(have-thread-library),yes)
+CFLAGS-fgetgrent.c += -fexceptions
+CFLAGS-fgetgrent_r.c += -fexceptions $(libio-mtsafe)
+CFLAGS-getgrent.c += -fexceptions
+CFLAGS-getgrent_r.c += -fexceptions
+CFLAGS-getgrgid.c += -fexceptions
+CFLAGS-getgrgid_r.c += -fexceptions
+CFLAGS-getgrnam.c += -fexceptions
+CFLAGS-getgrnam_r.c += -fexceptions
+CFLAGS-initgroups.c += -fexceptions
+CFLAGS-putgrent.c += -fexceptions $(libio-mtsafe)
+endif
+
 # These are the databases that go through nss dispatch.
 # Caution: if you add a database here, you must add its real name
 # in databases.def, too.
@@ -88,6 +117,7 @@ tests := \
   bug17079 \
   test-digits-dots \
   test-netdb \
+  testgrp \
   tst-nss-getpwent \
   tst-nss-hash \
   tst-nss-test1 \
@@ -95,11 +125,14 @@ tests := \
   tst-nss-test4 \
   tst-nss-test5 \
   tst-nss-test_errno \
+  tst-putgrent \
   # tests
 
 xtests = bug-erange
 
 tests-container := \
+  tst-initgroups1 \
+  tst-initgroups2 \
   tst-nss-compat1 \
   tst-nss-db-endgrent \
   tst-nss-db-endpwent \
@@ -112,13 +145,21 @@ tests-container := \
   tst-reload2 \
   # tests-container
 
-# Tests which need libdl
 ifeq (yes,$(build-shared))
+# Tests which need libdl
 tests += tst-nss-files-hosts-erange
 tests += tst-nss-files-hosts-multi
 tests += tst-nss-files-hosts-getent
 tests += tst-nss-files-alias-leak
 tests += tst-nss-files-alias-truncated
+# tst_fgetgrent currently only works with shared libraries
+test-srcs :=  tst_fgetgrent
+ifeq ($(run-built-tests),yes)
+tests-special += $(objpfx)tst_fgetgrent.out
+$(objpfx)tst_fgetgrent.out: tst_fgetgrent.sh $(objpfx)tst_fgetgrent
+	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
+	$(evaluate-test)
+endif
 endif
 
 # If we have a thread library then we can test cancellation against
diff --git a/nss/Versions b/nss/Versions
index e551524aa9..5401829911 100644
--- a/nss/Versions
+++ b/nss/Versions
@@ -5,10 +5,38 @@ libc {
     # Functions exported as no-op compat symbols.
     __nss_passwd_lookup; __nss_group_lookup; __nss_hosts_lookup; __nss_next;
     __nss_database_lookup;
+
+    # e*
+    endgrent;
+
+    # f*
+    fgetgrent; fgetgrent_r;
+
+    # g*
+    getgrent; getgrent_r; getgrgid; getgrgid_r; getgrnam; getgrnam_r;
+    getgroups;
+
+    # i*
+    initgroups;
+
+    # s*
+    setgrent;
+  }
+  GLIBC_2.1 {
+    # p*
+    putgrent;
+  }
+  GLIBC_2.1.2 {
+    # g*
+    getgrent_r; getgrgid_r; getgrnam_r;
   }
   GLIBC_2.2.2 {
     __nss_hostname_digits_dots;
   }
+  GLIBC_2.2.4 {
+    # g*
+    getgrouplist;
+  }
   GLIBC_2.27 {
   }
   GLIBC_PRIVATE {
@@ -107,6 +135,8 @@ libc {
     _nss_files_initgroups_dyn;
 
     _nss_files_init;
+
+    __merge_grp; __copy_grp;
   }
 }
 
diff --git a/grp/fgetgrent.c b/nss/fgetgrent.c
index 2e7c7fe5fb..2e7c7fe5fb 100644
--- a/grp/fgetgrent.c
+++ b/nss/fgetgrent.c
diff --git a/grp/fgetgrent_r.c b/nss/fgetgrent_r.c
index 5ce70230f1..5ce70230f1 100644
--- a/grp/fgetgrent_r.c
+++ b/nss/fgetgrent_r.c
diff --git a/grp/getgrent.c b/nss/getgrent.c
index 6e09987318..6e09987318 100644
--- a/grp/getgrent.c
+++ b/nss/getgrent.c
diff --git a/grp/getgrent_r.c b/nss/getgrent_r.c
index ea3d0e89c1..ea3d0e89c1 100644
--- a/grp/getgrent_r.c
+++ b/nss/getgrent_r.c
diff --git a/grp/getgrgid.c b/nss/getgrgid.c
index db50f8fdac..db50f8fdac 100644
--- a/grp/getgrgid.c
+++ b/nss/getgrgid.c
diff --git a/grp/getgrgid_r.c b/nss/getgrgid_r.c
index dab5f85ef3..dab5f85ef3 100644
--- a/grp/getgrgid_r.c
+++ b/nss/getgrgid_r.c
diff --git a/grp/getgrnam.c b/nss/getgrnam.c
index 98d637b2bc..98d637b2bc 100644
--- a/grp/getgrnam.c
+++ b/nss/getgrnam.c
diff --git a/grp/getgrnam_r.c b/nss/getgrnam_r.c
index ed5649c8d8..ed5649c8d8 100644
--- a/grp/getgrnam_r.c
+++ b/nss/getgrnam_r.c
diff --git a/grp/grp-merge.c b/nss/grp-merge.c
index 991abf0252..991abf0252 100644
--- a/grp/grp-merge.c
+++ b/nss/grp-merge.c
diff --git a/grp/grp-merge.h b/nss/grp-merge.h
index 9e1f75cfc7..9e1f75cfc7 100644
--- a/grp/grp-merge.h
+++ b/nss/grp-merge.h
diff --git a/grp/grp.h b/nss/grp.h
index c88964797c..c88964797c 100644
--- a/grp/grp.h
+++ b/nss/grp.h
diff --git a/grp/compat-initgroups.c b/nss/initgroups-fallback.c
index 9df940767b..9df940767b 100644
--- a/grp/compat-initgroups.c
+++ b/nss/initgroups-fallback.c
diff --git a/grp/initgroups.c b/nss/initgroups.c
index 2ebd623d7b..e803cecebc 100644
--- a/grp/initgroups.c
+++ b/nss/initgroups.c
@@ -39,7 +39,7 @@ typedef enum nss_status (*initgroups_dyn_function) (const char *, gid_t,
 static bool use_initgroups_entry;
 
 
-#include "compat-initgroups.c"
+#include "initgroups-fallback.c"
 
 
 static int
diff --git a/grp/putgrent.c b/nss/putgrent.c
index 93caea5071..93caea5071 100644
--- a/grp/putgrent.c
+++ b/nss/putgrent.c
diff --git a/grp/testgrp.c b/nss/testgrp.c
index 892cfaaa21..892cfaaa21 100644
--- a/grp/testgrp.c
+++ b/nss/testgrp.c
diff --git a/grp/tst-initgroups1.c b/nss/tst-initgroups1.c
index 3f1238875e..3f1238875e 100644
--- a/grp/tst-initgroups1.c
+++ b/nss/tst-initgroups1.c
diff --git a/grp/tst-initgroups1.root/etc/group b/nss/tst-initgroups1.root/etc/group
index 0dac1cc2ba..0dac1cc2ba 100644
--- a/grp/tst-initgroups1.root/etc/group
+++ b/nss/tst-initgroups1.root/etc/group
diff --git a/grp/tst-initgroups1.root/etc/nsswitch.conf b/nss/tst-initgroups1.root/etc/nsswitch.conf
index 8d0a1aea13..8d0a1aea13 100644
--- a/grp/tst-initgroups1.root/etc/nsswitch.conf
+++ b/nss/tst-initgroups1.root/etc/nsswitch.conf
diff --git a/grp/tst-initgroups1.root/etc/passwd b/nss/tst-initgroups1.root/etc/passwd
index 5e3a2a5eea..5e3a2a5eea 100644
--- a/grp/tst-initgroups1.root/etc/passwd
+++ b/nss/tst-initgroups1.root/etc/passwd
diff --git a/grp/tst-initgroups2.c b/nss/tst-initgroups2.c
index 4e8b8c5cd0..4e8b8c5cd0 100644
--- a/grp/tst-initgroups2.c
+++ b/nss/tst-initgroups2.c
diff --git a/grp/tst-initgroups2.root/etc/group b/nss/tst-initgroups2.root/etc/group
index 0dac1cc2ba..0dac1cc2ba 100644
--- a/grp/tst-initgroups2.root/etc/group
+++ b/nss/tst-initgroups2.root/etc/group
diff --git a/grp/tst-initgroups2.root/etc/nsswitch.conf b/nss/tst-initgroups2.root/etc/nsswitch.conf
index c61f3624f6..c61f3624f6 100644
--- a/grp/tst-initgroups2.root/etc/nsswitch.conf
+++ b/nss/tst-initgroups2.root/etc/nsswitch.conf
diff --git a/grp/tst-initgroups2.root/etc/passwd b/nss/tst-initgroups2.root/etc/passwd
index 5e3a2a5eea..5e3a2a5eea 100644
--- a/grp/tst-initgroups2.root/etc/passwd
+++ b/nss/tst-initgroups2.root/etc/passwd
diff --git a/grp/tst-putgrent.c b/nss/tst-putgrent.c
index 79c14862bd..79c14862bd 100644
--- a/grp/tst-putgrent.c
+++ b/nss/tst-putgrent.c
diff --git a/grp/tst_fgetgrent.c b/nss/tst_fgetgrent.c
index be41191824..be41191824 100644
--- a/grp/tst_fgetgrent.c
+++ b/nss/tst_fgetgrent.c
diff --git a/grp/tst_fgetgrent.sh b/nss/tst_fgetgrent.sh
index 1775a6bc61..fb6b0c4179 100644
--- a/grp/tst_fgetgrent.sh
+++ b/nss/tst_fgetgrent.sh
@@ -21,20 +21,20 @@ set -e
 common_objpfx=$1; shift
 test_program_prefix=$1; shift
 
-testout=${common_objpfx}/grp/tst_fgetgrent.out
+testout=${common_objpfx}/nss/tst_fgetgrent.out
 
 result=0
 
 ${test_program_prefix} \
-${common_objpfx}grp/tst_fgetgrent 0 > ${testout} || result=1
+${common_objpfx}nss/tst_fgetgrent 0 > ${testout} || result=1
 
 ${test_program_prefix} \
-${common_objpfx}grp/tst_fgetgrent 1 >> ${testout} || result=1
+${common_objpfx}nss/tst_fgetgrent 1 >> ${testout} || result=1
 
 ${test_program_prefix} \
-${common_objpfx}grp/tst_fgetgrent 2 >> ${testout} || result=1
+${common_objpfx}nss/tst_fgetgrent 2 >> ${testout} || result=1
 
 ${test_program_prefix} \
-${common_objpfx}grp/tst_fgetgrent 3 >> ${testout} || result=1
+${common_objpfx}nss/tst_fgetgrent 3 >> ${testout} || result=1
 
 exit $result
diff --git a/posix/Makefile b/posix/Makefile
index c36b9d981e..be7d319394 100644
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -137,6 +137,7 @@ routines := \
   sched_sets \
   sched_yield \
   setgid \
+  setgroups \
   setpgid \
   setpgrp \
   setresgid \
diff --git a/posix/Versions b/posix/Versions
index 3753810864..2eedbc3e79 100644
--- a/posix/Versions
+++ b/posix/Versions
@@ -53,7 +53,7 @@ libc {
     sched_get_priority_max; sched_get_priority_min; sched_getparam;
     sched_getscheduler; sched_rr_get_interval; sched_setparam;
     sched_setscheduler; sched_yield; setegid; seteuid; setgid;
-    setpgid; setpgrp; setsid; setuid; sleep; sysconf;
+    setgroups; setpgid; setpgrp; setsid; setuid; sleep; sysconf;
 
     # t*
     times;
diff --git a/grp/setgroups.c b/posix/setgroups.c
index d988866efc..d988866efc 100644
--- a/grp/setgroups.c
+++ b/posix/setgroups.c
diff --git a/scripts/update-copyrights b/scripts/update-copyrights
index f6ef6fa33b..a582fa1476 100755
--- a/scripts/update-copyrights
+++ b/scripts/update-copyrights
@@ -65,7 +65,7 @@ for f in $files; do
 	"$update_script" "$f"
       fi
       ;;
-    grp/initgroups.c | misc/bits/stab.def | posix/regex.h \
+    nss/initgroups.c | misc/bits/stab.def | posix/regex.h \
       | sysdeps/wordsize-32/divdi3.c)
       # Pre-1991 gaps in copyright years, so cannot use a single range.
       UPDATE_COPYRIGHT_USE_INTERVALS=1 "$update_script" "$f"