Tue Jun 25 02:59:11 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>cvs/libc-960625

	* malloc/malloc.h: Declare malloc_object_allocated_size, malloc_walk.
	* malloc/Makefile (dist-routines): Add malloc-size, malloc-walk.
	* malloc/malloc-size.c: New file.
	* malloc/malloc-walk.c: New file.

	* malloc/malloc-find.c (malloc_find_object_address): Return null if
	PTR is outside the heap.

	* elf/dl-load.c (_dl_map_object): If the requested name matches the
 	soname of a loaded object, use that object.

Mon Jun 24 19:57:01 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>

	* Makefile (subdirs): Add nss.

	* inet/Makefile (routines): Add getrpcent, getrpcbyname,
	getrpcbynumber, getrpcent_r, getrpcbyname_r, getrpcbynumber_r.
	* inet/getrpcbynumber_r.c: New file.
	* inet/getrpcbynumber.c: New file.
	* inet/getrpcbyname.c: New file.
	* inet/getrpcbyname_r.c: New file.
	* inet/getrpcent_r.c: New file.
	* inet/getrpcent.c: New file.
	* nss/rpc-lookup.c: New file.
	* nss/nss_files/files-rpc.c: New file.
	* nss/Makefile (routines): Add rpc-lookup.
	(libnss_files-routines): Add files-rpc.
	* sunrpc/Makefile (routines): Remove getrpcent.
	* sunrpc/getrpcent.c: File removed.

	* nss/getXXent_r.c (REENTRANT_GETNAME): Clear NO_MORE when NIP is
	non-null on entry.

	* Makeconfig (rpath-link): Add $(nssobjdir).
	(nssobjdir): New variable.

	* Makerules: Move shared library building before objects rules, so
	versions are known before extra-lib.mk gets included.
	* extra-lib.mk (lib-noranlib): Depend on the shared object too.

	* pwd/getpwuid.c: Rewritten using nss.
	* pwd/getpwnam.c: Likewise.
	* pwd/getpwent.c: Likewise.
	* grp/getgrnam.c: Likewise.
	* grp/getgrgid.c: Likewise.
	* grp/getgrent.c: Likewise.
	* pwd/Makefile (routines): Add getpwent_r, getpwnam_r, getpwuid_r.
	* pwd/getpwent_r.c: New file.
	* pwd/getpwnam_r.c: New file.
	* pwd/getpwuid_r.c: New file.
	* grp/Makefile (routines): Add getgrent_r, getgrgid_r, getgrnam_r.
	* grp/getgrnam_r.c: New file.
	* grp/getgrgid_r.c: New file.
	* grp/getgrent_r.c: New file.
	* grp/Makefile (routines): Remove grpopen, grpread.
	* pwd/Makefile (routines): Remove pwdopen, pwdread.
	* grp/grpopen.c, grp/grpread.c, pwd/pwdopen.c, pwd/pwdread.c: Removed.

	* pwd/fgetpwent.c: Rewritten using files-parse.c.
	* grp/fgetgrent.c: Likewise.

	* nss/Makefile (routines): Add grp-lookup and pwd-lookup.
	* nss/pwd-lookup.c, nss/grp-lookup.c: New files.
	* nss/nss_files/files-grp.c: New file.
	* nss/nss_files/files-pwd.c: New file.

	* nss/Makefile (subdir-dirs): New variable; use it in vpath.

	* nss/nss_files/files-parse.c: New file.
	* nss/nss_files/files-XXX.c: New file.
	* nss/nss_files/files-hosts.c, nss/nss_files/files-proto.c,
	nss/nss_files/files-service.c, nss/nss_files/files-network.c:
	Rewritten using them.

	* nss/Makefile (libnss_files-routines): Remove files-host.
	Add files-hosts, files-grp, files-pwd.

	* nss/nss_dns/dns-network.c: Don't include <pthread.h>.

Mon Jun 24 22:39:12 1996  Richard Henderson  <rth@tamu.edu>

	* sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
	A .plt entry now loads the .rela.plt offset directly rather
	than making us calculate it.

Sun Jun 23 15:24:05 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>

	* time/Makefile ($(installed-localtime-file) rule): Do
	$(make-target-directory) first.

	* resolv.h: Fix wrapper for resolv/resolv.h.

	* configure.in (ld --no-whole-archive check): Use AC_TRY_COMMAND.
	Compile dummy file and pass -nostdlib -nostartfiles so as not to
	require installed libraries.

	* shlib-versions (*-*-*): Set libresolv=2, libnss_files=1,
	libnss_dns=1.

Sun Jun 23 19:42:05 1996  Ulrich Drepper  <drepper@cygnus.com>

	* resolv/netdb.h (_PATH_NSSWITCH_CONF): New macro.

	* inet/herrno.c: New file.

	* resolv/res_init.c: Remove res_hconf calls.

	* nss/Makefile, nss/XXX-lookup.c, nss/file-lookup.c,
	nss/getXXbyYY.c, nss/getXXbyYY_r.c, nss/getXXent.c,
	nss/getXXent_r.c, nss/host-lookup.c, nss/network-lookup.c,
	nss/nsswitch.c, nss/nsswitch.h, nss/proto-lookup.c,
	nss/service-lookup.c: New files.  Implementation of name
	service switch, following the approach in Solaris.
	Interface specification and general structure inspired by Peter
	Eriksson <pen@lysator.liu.se>.
	* nss/nss_files/files-host.c, nss/nss_files/files-network.c,
	nss/nss_files/files-proto.c, nss/nss_files/files-service.c:
	Implementation of libnss_files.so module for file based databases
	in NSS service.
	* nss/nss_dns/dns-host.c, nss/nss_dns/dns-network.c: Implementation
        if libnss_dns.so module for DNS name lookup in NSS service.

	* inet/getproto.c, inet/getprtent.c, inet/getprtname.c,
	inet/getservent.c, inet/getsrvbynm.c, inet/getsrvbypt.c:
	Changed to serve as interface to NSS.
	* inet/gethstbyad.c, inet/gethstbyad_r.c, inet/gethstbynm.c,
	inet/gethstbynm2.c, inet/gethstbynm2_r.c, inet/gethstbynm_r.c,
	inet/gethstent.c, inet/gethstent_r.c, inet/getnetbynm.c,
	inet/getnetbynm_r.c, inet/getnetbypt.c, inet/getnetbypt_r.c,
	inet/getnetent.c, inet/getnetent_r.c, inet/getproto_r.c,
	inet/getprtent_r.c, inet/getprtname_r.c, inet/getservent_r.c,
	inet/getsrvbynm_r.c, inet/getsrvbypt_r.c: New files.  Implement
	interfaces to NSS, including reentrant functions.

	* resolv/getnetbyaddr.c, resolv/getnetbyname.c, resolv/getnetent.c,
	resolv/sethostent.c: Removed:  Obsoleted by NSS.

	* resolv/mapv4v6addr.h, resolv/mapv4v6hostent.h: Extracted from
	gethnamaddr.c.  These private functions are now used in more
	than one file.

	* resolv/inet_pton.c, resolv/gethnamaddr.c: Updated to bind-4.9.4-T5B.

Sat Jun 22 16:49:47 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* rpm/Makefile ($(config)): Make sure the word list in the for
	loop is syntactically non-empty.

1 files changed, 138 insertions, 0 deletions

diff --git a/nss/nsswitch.h b/nss/nsswitch.h
new file mode 100644
index 0000000000..f597a58860
--- /dev/null
+++ b/nss/nsswitch.h
@@ -0,0 +1,138 @@
+/* Copyright (C) 1996 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifndef _NSSWITCH_H
+#define _NSSWITCH_H	1
+
+/* This is an *internal* header.  */
+
+#include <arpa/nameser.h>
+#include <netinet/in.h>
+#include <resolv.h>
+#include <search.h>
+
+
+/* Revision number of NSS interface (must be a string).  */
+#define NSS_SHLIB_REVISION ".1"
+
+
+/* Possible results of lookup using a nss_* function.  */
+enum nss_status
+{
+  NSS_STATUS_TRYAGAIN = -2,
+  NSS_STATUS_UNAVAIL,
+  NSS_STATUS_NOTFOUND,
+  NSS_STATUS_SUCCESS,
+};
+
+
+/* Actions performed after lookup finished.  */
+typedef enum
+{
+  NSS_ACTION_CONTINUE,
+  NSS_ACTION_RETURN
+} lookup_actions;
+
+
+typedef struct service_library
+{
+  /* Name of service (`files', `dns', `nis', ...).  */
+  const char *name;
+  /* Pointer to the loaded shared library.  */
+  void *lib_handle;
+  /* And the link to the next entry.  */
+  struct service_library *next;
+} service_library;
+
+
+/* For mappng a function name to a function pointer.  */
+typedef struct
+{
+  const char *fct_name;
+  void *fct_ptr;
+} known_function;
+
+
+typedef struct service_user
+{
+  /* Name of the service (`files', `dns', `nis', ...).  */
+  const char *name;
+  /* Action according to result.  */
+  lookup_actions actions[4];
+  /* Link to the underlying library object.  */
+  service_library *library;
+  /* Collection of known functions.  */
+  struct entry *known;
+  /* And the link to the next entry.  */
+  struct service_user *next;
+} service_user;
+
+/* To access the action based on the status value use this macro.  */
+#define nss_next_action(ni, status) ((ni)->actions[2 + status])
+
+
+typedef struct name_database_entry
+{
+  /* Name of the database.  */
+  const char *name;
+  /* List of service to be used.  */
+  service_user *service;
+  /* And the link to the next entry.  */
+  struct name_database_entry *next;
+} name_database_entry;
+
+
+typedef struct name_database
+{
+  /* List of all known databases.  */
+  name_database_entry *entry;
+  /* List of libraries with service implementation.  */
+  service_library *library;
+} name_database;
+
+
+/* Interface functions for NSS.  */
+
+/* Get the data structure representing the specified database.  More
+   than one function can use the database.  */
+int __nss_database_lookup (const char *database, service_user **ni);
+
+
+/* Put first function with name FCT_NAME for SERVICE in FCTP.  The
+   position is remembered in NI.  The function returns a value < 0 if
+   an error occured or no such function exists.  */
+int __nss_lookup (service_user **ni, const char *fct_name, void **fctp);
+
+/* Determine the next step in the lookup process according to the
+   result STATUS of the call to the last function returned by
+   `__nss_lookup' or `__nss_next'.  NI specifies the last function
+   examined.  The function return a value > 0 if the process should
+   stop with the last result of the last function call to be the
+   result of the entire lookup.  The returned valie is 0 if there is
+   another function to use and < 0 if an error occured.
+
+   If ALL_VALUES is nonzero, the return value will not be > 0 as long as
+   there is a possibility the lookup process can ever use following
+   services.  In other words, only if all four lookup results have
+   the action RETURN associated the lookup process stops before the
+   natural end.  */
+int __nss_next (service_user **ni, const char *fct_name, void **fctp,
+		int status, int all_values);
+
+
+#endif	/* nsswitch.h */