update from main arcive 961210 cvs/libc-961211

Wed Dec 11 01:04:30 1996  Ulrich Drepper  <drepper@cygnus.com>

	Add NIS NSS implementation.
	* shlib-versions: Add versions for NIS libraries.
	* sysdeps/unix/inet/Subdirs: Add nis.
	* nis/Banner: New file.
	* nis/Makefile: New file.
	* nis/nss-nis.h: New file.
	* nis/yp_xdr.h: New file.
	* nis/ypclnt.h: New file.
	* nis/ypupdate_xdr.c: New file.
	* nis/nss_compat/compat-grp.c: New file.
	* nis/nss_compat/compat-pwd.c: New file.
	* nis/nss_compat/compat-spwd.c: New file.
	* nis/nss_nis/nis-alias.c: New file.
	* nis/nss_nis/nis-ethers.c: New file.
	* nis/nss_nis/nis-grp.c: New file.
	* nis/nss_nis/nis-hosts.c: New file.
	* nis/nss_nis/nis-netgrp.c: New file.
	* nis/nss_nis/nis-network.c: New file.
	* nis/nss_nis/nis-proto.c: New file.
	* nis/nss_nis/nis-publickey.c: New file.
	* nis/nss_nis/nis-pwd.c: New file.
	* nis/nss_nis/nis-rpc.c: New file.
	* nis/nss_nis/nis-service.c: New file.
	* nis/nss_nis/nis-spwd.c: New file.
	* nis/rpcsvc/yp.h: New file.
	* nis/rpcsvc/yp.x: New file.
	* nis/rpcsvc/yp_prot.h: New file.
	* nis/rpcsvc/ypclnt.h: New file.
	* nis/rpcsvc/ypupd.h: New file.

	* libio/_G_config.h: Define _G_HAVE_SYS_WAIT and _G_HAVE_PRINTF_FP.

	* locale/C-numeric.c: Update copyright.

	* locale/Makefile: Add rules to build libBrokenLocale.
	* locale/broken_cur_max.c: New file.
	* locale/mb_cur_max.c: Update copyright.
	(__ctype_get_mb_cur_max): Make function weak.

	* new-malloc/malloc.c: Correct copyright.
	* new-malloc/thread-m.h: Correct key handling.

	* shadow/lckpwdf.c: Update copyright.
	(PWD_LOCKFILE): Change to /etc/.pwd.lock.

	* stdlib/strtod.c: Add another assertion.
	* stdlib/tst-strtod.c: Add another test case.

	* sysdeps/generic/paths.h: Add _PATH_PRESERVE.  Needed by nvi.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.

	* sysdeps/gnu/utmpbits.h: Rename ut_addr field to ut_addr_v6.
	ut_addr names a single element in ut_addr_v6.

	* sysdeps/mach/hurd/xmknod.c: Remove alias from __mknod to mknod.
	Patch by Thomas Bushnell, n/BSG.

Tue Dec 10 11:35:28 1996  Richard Henderson  <rth@tamu.edu>

	* sysdeps/alpha/strncmp.S: Fix aligned short truncated compare
	corner condition.

	* sysdeps/alpha/memchr.S: Don't read ahead, even if the load
	did fit nicely into that delay slot (patch from David Mosberger-Tang).

Mon Dec  9 23:53:43 1996  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* sysdeps/mach/hurd/ttyname_r.c (__ttyname_r): Renamed from
	`ttyname_r'.
	(ttyname_r): New alias.

	* stdio-common/printf_fp.c (__guess_grouping): Fix off by one

1 files changed, 270 insertions, 0 deletions

diff --git a/nis/nss_nis/nis-rpc.c b/nis/nss_nis/nis-rpc.c
new file mode 100644
index 0000000000..91f54be3a9
--- /dev/null
+++ b/nis/nss_nis/nis-rpc.c
@@ -0,0 +1,270 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
+
+   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.  */
+
+#include <nss.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <errno.h>
+#include <string.h>
+#include <libc-lock.h>
+#include <rpcsvc/yp.h>
+#include <rpcsvc/ypclnt.h>
+
+#include "nss-nis.h"
+
+__libc_lock_define_initialized (static, lock)
+
+struct intern_t
+{
+  bool_t new_start;
+  char *oldkey;
+  int oldkeylen;
+};
+typedef struct intern_t intern_t;
+
+static intern_t intern = {TRUE, NULL, 0};
+
+static enum nss_status
+internal_nis_setrpcent (intern_t *data)
+{
+  data->new_start = 1;
+  if (data->oldkey != NULL)
+    {
+      free (data->oldkey);
+      data->oldkey = NULL;
+      data->oldkeylen = 0;
+    }
+  return NSS_STATUS_SUCCESS;
+}
+
+enum nss_status
+_nss_nis_setrpcent (void)
+{
+  enum nss_status status;
+
+  __libc_lock_lock (lock);
+
+  status = internal_nis_setrpcent (&intern);
+
+  __libc_lock_unlock (lock);
+
+  return status;
+}
+
+static enum nss_status
+internal_nis_endrpcent (intern_t *data)
+{
+  data->new_start = 1;
+  if (data->oldkey != NULL)
+    {
+      free (data->oldkey);
+      data->oldkey = NULL;
+      data->oldkeylen = 0;
+    }
+  return NSS_STATUS_SUCCESS;
+}
+
+enum nss_status
+_nss_nis_endrpcent (void)
+{
+  enum nss_status status;
+
+  __libc_lock_lock (lock);
+
+  status = internal_nis_endrpcent (&intern);
+
+  __libc_lock_unlock (lock);
+
+  return status;
+}
+
+static enum nss_status
+internal_nis_getrpcent_r (struct rpcent *rpc, char *buffer, size_t buflen,
+			  intern_t *data)
+{
+  char *domain;
+  char *result;
+  int len, parse_res;
+  char *outkey;
+  int keylen;
+  char *p;
+
+  if (yp_get_default_domain (&domain))
+    return NSS_STATUS_UNAVAIL;
+
+  /* Get the next entry until we found a correct one. */
+  do
+    {
+      enum nss_status retval;
+
+      if (data->new_start)
+        retval = yperr2nss (yp_first (domain, "rpc.bynumber",
+                                      &outkey, &keylen, &result, &len));
+      else
+        retval = yperr2nss ( yp_next (domain, "rpc.bynumber",
+				      data->oldkey, data->oldkeylen,
+				      &outkey, &keylen, &result, &len));
+
+      if (retval != NSS_STATUS_SUCCESS)
+        {
+          if (retval == NSS_STATUS_TRYAGAIN)
+            __set_errno (EAGAIN);
+          return retval;
+        }
+
+      if (len + 1 > buflen)
+        {
+          free (result);
+          __set_errno (ERANGE);
+          return NSS_STATUS_TRYAGAIN;
+        }
+
+      p = strncpy (buffer, result, len);
+      buffer[len] = '\0';
+      while (isspace (*p))
+        ++p;
+      free (result);
+
+      parse_res = _nss_files_parse_rpcent (p, rpc, buffer, buflen);
+      if (!parse_res && errno == ERANGE)
+	return NSS_STATUS_TRYAGAIN;
+
+      free (data->oldkey);
+      data->oldkey = outkey;
+      data->oldkeylen = keylen;
+      data->new_start = 0;
+    }
+  while (!parse_res);
+
+  return NSS_STATUS_SUCCESS;
+}
+
+enum nss_status
+_nss_nis_getrpcent_r (struct rpcent *rpc, char *buffer, size_t buflen)
+{
+  enum nss_status status;
+
+  __libc_lock_lock (lock);
+
+  status = internal_nis_getrpcent_r (rpc, buffer, buflen, &intern);
+
+  __libc_lock_unlock (lock);
+
+  return status;
+}
+
+enum nss_status
+_nss_nis_getrpcbyname_r (const char *name, struct rpcent *rpc,
+			 char *buffer, size_t buflen)
+{
+  intern_t data = {TRUE, NULL, 0};
+  enum nss_status status;
+  int found;
+
+  if (name == NULL)
+    {
+      __set_errno (EINVAL);
+      return NSS_STATUS_UNAVAIL;
+    }
+
+  status = internal_nis_setrpcent (&data);
+  if (status != NSS_STATUS_SUCCESS)
+    return status;
+
+  found = 0;
+  while (!found &&
+         ((status = internal_nis_getrpcent_r (rpc, buffer, buflen, &data))
+          == NSS_STATUS_SUCCESS))
+    {
+      if (strcmp (rpc->r_name, name) == 0)
+	found = 1;
+      else
+	{
+	  int i = 0;
+
+	  while (rpc->r_aliases[i] != NULL)
+	    {
+	      if (strcmp (rpc->r_aliases[i], name) == 0)
+		{
+		  found = 1;
+		  break;
+		}
+	      else
+		++i;
+	    }
+	}
+    }
+
+  internal_nis_endrpcent (&data);
+
+  if (!found && status == NSS_STATUS_SUCCESS)
+    return NSS_STATUS_NOTFOUND;
+  else
+    return status;
+}
+
+enum nss_status
+_nss_nis_getrpcbynumber_r (int number, struct rpcent *rpc,
+			   char *buffer, size_t buflen)
+{
+  enum nss_status retval;
+  char *domain, *result, *p;
+  int len, nlen, parse_res;
+  char buf[32];
+
+  if (yp_get_default_domain (&domain))
+    return NSS_STATUS_UNAVAIL;
+
+  nlen = sprintf (buf, "%d", number);
+
+  retval = yperr2nss (yp_match (domain, "rpc.bynumber", buf,
+				 nlen, &result, &len));
+
+  if (retval != NSS_STATUS_SUCCESS)
+    {
+      if (retval == NSS_STATUS_TRYAGAIN)
+	__set_errno (EAGAIN);
+      return retval;
+    }
+
+  if (len + 1 > buflen)
+    {
+      free (result);
+      __set_errno (ERANGE);
+      return NSS_STATUS_TRYAGAIN;
+    }
+
+  p = strncpy (buffer, result, len);
+  buffer[len] = '\0';
+  while (isspace (*p))
+    ++p;
+  free (result);
+
+  parse_res = _nss_files_parse_rpcent (p, rpc, buffer, buflen);
+
+  if (!parse_res)
+    {
+      if (errno == ERANGE)
+	return NSS_STATUS_TRYAGAIN;
+      else
+	return NSS_STATUS_NOTFOUND;
+    }
+  else
+    return NSS_STATUS_SUCCESS;
+}