update from main archive 961201cvs/libc-961202

Mon Dec  2 03:59:38 1996  Ulrich Drepper  <drepper@cygnus.com>

	* grp/initgroups.c: Update and reformat copyright.
	Use __getgrent_r instead of getgrent.

	* inet/rcmd.c: Update and reformat copyright.
	Use __gethostbyname_r instead of gethostbyname.
	* inet/rexec.c: Likewise.

	* intl/finddomain.c: Correct comment about CEN sponsor and revision.
	* locale/findlocale.c: Likewise.
	* intl/l10nflist.c: Correct handling of CEN sponsor and revision.
	* locale/Makefile (CPPFLAGS): Add definition of LOCALEDIR.
	* locale/setlocale.c (setlocale): Correctly split value of
	LOCALE_PATH.
	* locale/programs/localedef.c: Use LOCALEDIR not LOCALE_PATH to
	find output directory.

	* nss/getXXbyYY.c [NEED_H_ERRNO]: Before enlarging buffer test
	h_errno_tmp variable.
	Save error value from being changed during `free' call.
	* nss/getXXent.c: Likewise.

	* nss/nss_files/files-XXX.c: Set h_errno variable to NETDB_INTERNAL
	before returning ERANGE error.

	* posix/glob.c: Use getlogin_r and getpwnam_r function when available
	or in GNU libc.

	* pwd/getpw.c: Use getpwuid_r instead of getpwuid.

	* sunrpc/clnt_gen.c: Use gethostbyname_r and getprotobyname_r.
	* sunrpc/clnt_simp.c: Likewise.
	* sunrpc/getrpcport.c: Likewise.
	* sysdeps/unix/sysv/linux/gethostid.c: Likewise.

	* posix/getconf.c: Treat _SC_UNIT_MAX and _SC_ULONG_MAX separately
	since the value might be outsode the range of the `long int'.
	Print string `undefined' when a value is undefined.

	* stdlib/l64a.c: Return correct pointer.
	Patch by NIIBE Yutaka <gniibe@mri.co.jp>.

	* string/Makefile (routines): Add argz-addsep.
	* string/argz-addsep.c: New file.
	* string/argz.h: Add prototypes for argz_add_sep.

	* string/argz-ctsep.c: Prevent memory leak.

	* string/strcoll.c: Correct typo in comment.

Sat Nov 30 02:53:59 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/sys/serial.h: Removed again.  The file is
	not general enough to be part of the libc.
	* sysdeps/unix/sysv/linux/Dist: Remove sys/serial.h.
	* sysdeps/unix/sysv/linux/Makefile: Don't install sys/serial.h.

Thu Nov 28 20:04:41 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* login/Makefile: Fix typo.

	* nss/Makefile (generated): Filter out db-alias.c.

Thu Nov 28 14:44:01 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* time/Makefile (echo-zonenames): Don't depend on non-existing
	target `zonenames'.

Thu Nov 28 12:34:05 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* link.h: New file.
	* nss/nsswitch.c: Use it.

	* printf.h: Fix file name.
	* stdlib/strfmon.c: Use it.

1 files changed, 21 insertions, 3 deletions

diff --git a/sunrpc/clnt_simp.c b/sunrpc/clnt_simp.c
index e289b3400d..dd2ae75f1e 100644
--- a/sunrpc/clnt_simp.c
+++ b/sunrpc/clnt_simp.c
@@ -38,6 +38,8 @@ static char sccsid[] = "@(#)clnt_simple.c 1.35 87/08/11 Copyr 1984 Sun Micro";
  * Copyright (C) 1984, Sun Microsystems, Inc.
  */
 
+#include <alloca.h>
+#include <errno.h>
 #include <stdio.h>
 #include <rpc/rpc.h>
 #include <sys/socket.h>
@@ -59,7 +61,7 @@ callrpc(host, prognum, versnum, procnum, inproc, in, outproc, out)
 	register struct callrpc_private *crp = callrpc_private;
 	struct sockaddr_in server_addr;
 	enum clnt_stat clnt_stat;
-	struct hostent *hp;
+	struct hostent hostbuf, *hp;
 	struct timeval timeout, tottimeout;
 
 	if (crp == 0) {
@@ -77,6 +79,10 @@ callrpc(host, prognum, versnum, procnum, inproc, in, outproc, out)
 		&& strcmp(crp->oldhost, host) == 0) {
 		/* reuse old client */
 	} else {
+		size_t buflen;
+		char *buffer;
+		int herr;
+
 		crp->valid = 0;
 		if (crp->socket != RPC_ANYSOCK)
 		  {
@@ -87,8 +93,20 @@ callrpc(host, prognum, versnum, procnum, inproc, in, outproc, out)
 			clnt_destroy(crp->client);
 			crp->client = NULL;
 		}
-		if ((hp = gethostbyname(host)) == NULL)
-			return ((int) RPC_UNKNOWNHOST);
+
+		buflen = 1024;
+		buffer = __alloca (buflen);
+		while (__gethostbyname_r (host, &hostbuf, buffer, buflen,
+					  &hp, &herr) < 0)
+		  if (herr != NETDB_INTERNAL || errno != ERANGE)
+		    return (int) RPC_UNKNOWNHOST;
+		  else
+		    {
+		      /* Enlarge the buffer.  */
+		      buflen *= 2;
+		      buffer = __alloca (buflen);
+		    }
+
 		timeout.tv_usec = 0;
 		timeout.tv_sec = 5;
 		bcopy(hp->h_addr, (char *)&server_addr.sin_addr, hp->h_length);