Prepare for radical source tree reorganization. zack/build-layout-experiment

All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).

1 files changed, 212 insertions, 0 deletions

diff --git a/REORG.TODO/nss/getXXent_r.c b/REORG.TODO/nss/getXXent_r.c
new file mode 100644
index 0000000000..2710c1cd51
--- /dev/null
+++ b/REORG.TODO/nss/getXXent_r.c
@@ -0,0 +1,212 @@
+/* Copyright (C) 1996-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+   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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <libc-lock.h>
+
+#include "nsswitch.h"
+
+/*******************************************************************\
+|* Here we assume several symbols to be defined:		   *|
+|* 								   *|
+|* LOOKUP_TYPE   - the return type of the function		   *|
+|* 								   *|
+|* SETFUNC_NAME  - name of the non-reentrant setXXXent function	   *|
+|* 								   *|
+|* GETFUNC_NAME  - name of the non-reentrant getXXXent function	   *|
+|* 								   *|
+|* ENDFUNC_NAME  - name of the non-reentrant endXXXent function	   *|
+|* 								   *|
+|* DATABASE_NAME - name of the database the function accesses	   *|
+|*		   (e.g., host, services, ...)			   *|
+|* 								   *|
+|* Optionally the following vars can be defined:		   *|
+|* 								   *|
+|* STAYOPEN      - variable declaration for setXXXent function	   *|
+|* 								   *|
+|* STAYOPEN_VAR  - variable name for setXXXent function		   *|
+|* 								   *|
+|* NEED_H_ERRNO  - an extra parameter will be passed to point to   *|
+|*		   the global `h_errno' variable.		   *|
+|* 								   *|
+\*******************************************************************/
+
+/* To make the real sources a bit prettier.  */
+#define REENTRANT_GETNAME APPEND_R (GETFUNC_NAME)
+#define APPEND_R(Name) CONCAT2_2 (Name, _r)
+#define INTERNAL(Name) CONCAT2_2 (__, Name)
+#define CONCAT2_1(Pre, Post) CONCAT2_2 (Pre, Post)
+#define CONCAT2_2(Pre, Post) Pre##Post
+#define NEW(name) NEW1 (name)
+#define NEW1(name) __new_##name
+
+#define SETFUNC_NAME_STRING STRINGIZE (SETFUNC_NAME)
+#define GETFUNC_NAME_STRING STRINGIZE (REENTRANT_GETNAME)
+#define ENDFUNC_NAME_STRING STRINGIZE (ENDFUNC_NAME)
+#define DATABASE_NAME_STRING STRINGIZE (DATABASE_NAME)
+#define STRINGIZE(Name) STRINGIZE1 (Name)
+#define STRINGIZE1(Name) #Name
+
+#ifndef DB_LOOKUP_FCT
+# define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup2)
+# define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post)
+# define CONCAT3_2(Pre, Name, Post) Pre##Name##Post
+#endif
+
+/* Sometimes we need to store error codes in the `h_errno' variable.  */
+#ifdef NEED_H_ERRNO
+# define H_ERRNO_PARM , int *h_errnop
+# define H_ERRNO_VAR , &h_errno
+# define H_ERRNO_VAR_P &h_errno
+#else
+# define H_ERRNO_PARM
+# define H_ERRNO_VAR
+# define H_ERRNO_VAR_P NULL
+#endif
+
+/* Some databases take the `stayopen' flag.  */
+#ifdef STAYOPEN
+# define STAYOPEN_TMP CONCAT2_1 (STAYOPEN, _tmp)
+# define STAYOPEN_TMPVAR &CONCAT2_1 (STAYOPEN_VAR, _tmp)
+#else
+# define STAYOPEN void
+# define STAYOPEN_VAR 0
+# define STAYOPEN_TMPVAR NULL
+#endif
+
+#ifndef NEED__RES
+# define NEED__RES 0
+#endif
+
+/* This handle for the NSS data base is shared between all
+   set/get/endXXXent functions.  */
+static service_user *nip;
+/* Remember the last service used since the last call to  `endXXent'.  */
+static service_user *last_nip;
+/* Remember the first service_entry, it's always the same.  */
+static service_user *startp;
+
+#ifdef STAYOPEN_TMP
+/* We need to remember the last `stayopen' flag given by the user
+   since the `setent' function is only called for the first available
+   service.  */
+static STAYOPEN_TMP;
+#endif
+
+/* Protect above variable against multiple uses at the same time.  */
+__libc_lock_define_initialized (static, lock)
+
+/* The lookup function for the first entry of this service.  */
+extern int DB_LOOKUP_FCT (service_user **nip, const char *name,
+			  const char *name2, void **fctp)
+     internal_function;
+libc_hidden_proto (DB_LOOKUP_FCT)
+
+void
+SETFUNC_NAME (STAYOPEN)
+{
+  int save;
+
+  __libc_lock_lock (lock);
+  __nss_setent (SETFUNC_NAME_STRING, DB_LOOKUP_FCT, &nip, &startp,
+		&last_nip, STAYOPEN_VAR, STAYOPEN_TMPVAR, NEED__RES);
+
+  save = errno;
+  __libc_lock_unlock (lock);
+  __set_errno (save);
+}
+
+
+void
+ENDFUNC_NAME (void)
+{
+  int save;
+
+  /* If the service has not been used before do not do anything.  */
+  if (startp != NULL)
+    {
+      __libc_lock_lock (lock);
+      __nss_endent (ENDFUNC_NAME_STRING, DB_LOOKUP_FCT, &nip, &startp,
+		    &last_nip, NEED__RES);
+      save = errno;
+      __libc_lock_unlock (lock);
+      __set_errno (save);
+    }
+}
+
+
+int
+INTERNAL (REENTRANT_GETNAME) (LOOKUP_TYPE *resbuf, char *buffer, size_t buflen,
+			      LOOKUP_TYPE **result H_ERRNO_PARM)
+{
+  int status;
+  int save;
+
+  __libc_lock_lock (lock);
+  status = __nss_getent_r (GETFUNC_NAME_STRING, SETFUNC_NAME_STRING,
+			   DB_LOOKUP_FCT, &nip, &startp, &last_nip,
+			   STAYOPEN_TMPVAR, NEED__RES, resbuf, buffer,
+			   buflen, (void **) result, H_ERRNO_VAR_P);
+  save = errno;
+  __libc_lock_unlock (lock);
+  __set_errno (save);
+  return status;
+}
+
+
+#ifdef NO_COMPAT_NEEDED
+strong_alias (INTERNAL (REENTRANT_GETNAME), REENTRANT_GETNAME);
+#else
+# include <shlib-compat.h>
+# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1_2)
+#  define OLD(name) OLD1 (name)
+#  define OLD1(name) __old_##name
+
+int
+attribute_compat_text_section
+OLD (REENTRANT_GETNAME) (LOOKUP_TYPE *resbuf, char *buffer, size_t buflen,
+			 LOOKUP_TYPE **result H_ERRNO_PARM)
+{
+  int ret = INTERNAL (REENTRANT_GETNAME) (resbuf, buffer, buflen,
+					  result H_ERRNO_VAR);
+
+  if (ret != 0)
+    ret = -1;
+
+  return ret;
+}
+
+#  define do_symbol_version(real, name, version) \
+  compat_symbol (libc, real, name, version)
+do_symbol_version (OLD (REENTRANT_GETNAME), REENTRANT_GETNAME, GLIBC_2_0);
+# endif
+
+/* As INTERNAL (REENTRANT_GETNAME) may be hidden, we need an alias
+   in between so that the REENTRANT_GETNAME@@GLIBC_2.1.2 is not
+   hidden too.  */
+strong_alias (INTERNAL (REENTRANT_GETNAME), NEW (REENTRANT_GETNAME));
+
+# define do_default_symbol_version(real, name, version) \
+  versioned_symbol (libc, real, name, version)
+do_default_symbol_version (NEW (REENTRANT_GETNAME),
+			   REENTRANT_GETNAME, GLIBC_2_1_2);
+#endif
+
+nss_interface_function (SETFUNC_NAME)
+nss_interface_function (ENDFUNC_NAME)
+nss_interface_function (REENTRANT_GETNAME)