Wed May 22 22:10:01 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>

	* stdlib/canonicalize.c: New file.
	* stdlib/stdlib.h: Declare canonicalize_file_name, realpath.
	* stdlib/Makefile (routines): Add canonicalize.

	* posix/unistd.h: Declare __canonicalize_directory_name_internal.

Thu May 23 00:01:10 1996  Ulrich Drepper  <drepper@cygnus.com>

	* db/recno/rec_seq.c: Prevent `sccsid' definition by using the
	same #if condition as in the other db files.

	* intl/Makefile: Add -Wno-unused CFLAGS for compilation of
	bindtextdom.c, finddomain.c, and localealias.c.

	* intl/dcgettext.c: Don't define prototype for getcwd() when
	compiling in glibc.

	* libio/cleanup.c: Add prototype for _IO_register_cleanup.

	* libio/filedoalloc.c, libio/fileops.c, libio/iopopen.c: Don't
        define _POSIX_SOURCE unconditionally.

	* libio/filedoalloc.c, libio/iopopen.c: Include <unistd.h> if
        compiling in glibc.

	* libio/fileops.c (_IO_file_close_it): Don't sync file, call
	flush instead.  This relaxes the rules from POSIX.1 about
	changing the active handle a bit.

	* libio/iofopncook.c (struct _IO_cookie_file): Move definition
	into <libio.h>.
	Add prototypes for local functions to prevent warnings.

	* libio/iopopen.c: Change prototypes for _IO_fork, _IO_pipe, and
        _IO_DUP2 to contain complete parameter list.

	* libio/libio.h: Add definition of struct _IO_cookie_file.

	* libio/libioP.h: Add prototypes for _IO_vasprintf, _IO_vdprintf,
        and _IO_vsnprintf.

	* libio/memstream.c: Include <stdio.h>.

	* libio/stdio.h: Add prototypes for fopencookie,
        __stdio_gen_tempname, __vfscanf, __vsscanf, and __vsnprintf.

	* libio/strops.c: Avoid useless expression in `for' initializer.

	* locale/findlocale.c: Add some casts to prevent warnings.

	* locale/programs/locfile.c (write_locale_data): Don't use
	double `/' in locale binary file.

	* posix/unistd.h: Remove prototype for `reboot'.

	Update from bind-4.9.4-T1A.
	* resolv/Makefile (routines): Add inet_ntop and inet_pton.
	* resolv/arpa/nameser.h: Add definition of IN6ADDRSZ.
	* resolv/gethnamaddr.c, resolv/getnetnamadr.c, resolv/res_comp.c,
	resolv/res_debug.c, resolv/res_init.c

	* resolv/inet_ntop.c, resolv/inet_pton.c: New files.

	* resolv/resolv.h: Add RES_USE_INET6 flag.
	(__dn_isvalid): Renamed to __res_dnok.
	Add prototypes for __res_ownok and __res_mailok.

	* stdio-common/Makefile: Add -Wno-unused to CFLAGS for _itoa.c.

	* stdio-common/getline.c, stdio-common/vfscanf.c,
        sysdeps/posix/tempname.c: Don't use <ansidecl.h> anymore.

	* sysdeps/unix/sysv/linux/Makefile [$subdir == misc]
        (sysdep_routines): Add s_reboot.
	(install-others): Add $(includedir)/sys/syscall.h.
	New rule for $(includedir)/sys/syscall.h to produce from
	<asm/unistd.h>.

	* sysdeps/unix/sysv/linux/reboot.c: New file.  Make single
        argument function call 3 argument system call.

	* sysdeps/unix/sysv/linux/sys/reboot.h: New file.  Linux specific
	definition for reboot function.

	* sysdeps/unix/sysv/linux/syscall.h: Remove old and obsolete
        comment.

	* sysdeps/unix/sysv/linux/syscalls.list: Rename function for
	reboot syscall to __syscall_reboot.

	* wcsmbs/wchar.h: Protect prototypes for wcstof and wcstold by
	__USE_GNU, not USE_GNU.

Tue May 21 21:55:49 1996  David Mosberger-Tang  <davidm@AZStarNet.com>

	* locale/programs/charset.c, locale/programs/ld-collate.c:
	Add casts to prevent warnings on 64-bit machines.

	* locale/programs/ld-monetary.c: Don't do unnecessary tests for
	int_frac_digits and frac_digits which only produce warnings.

Mon May 13 23:45:29 1996  David Mosberger-Tang  <davidm@AZStarNet.com>

	* inet/arpa/inet.h: Backup return type of inet_addr to u_long.
	* resolv/inet_addr.c: Likewise.

	* resolv/Makefile (distribute): Add res_hconf.h
	(routines): Add res_hconf.

	* resolv/gethnamaddr.c: Add support for /etc/host.conf.

	* resolv/res_init.c: Initialize /etc/host.conf reader.

	* resolv/res_hconf.c, resolv/res_hconf.h: New files.
        Implementation of reading /etc/host.conf.

Wed May 22 21:21:15 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>

	* Rules (%.out rules): Prepend $($*-ENV) to the command.

	* sysdeps/unix/sysv/linux/i386/brk.c (___brk_addr): Define as weak
	alias for __curbrk.

Wed May 22 19:37:27 1996  Miles Bader  <miles@gnu.ai.mit.edu>

	* hurd/hurdexec.c (_hurd_exec): Pass INIT_TRACEMASK.
	* hurd/hurdmsg.c (set_int): Support INIT_TRACEMASK.

Wed May 22 18:47:31 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>

	* sysdeps/mach/hurd/getcwd.c
	(_hurd_canonicalize_directory_name_internal): New function, broken out
	of __getcwd.
	(__getcwd): Use it.
	(__canonicalize_directory_name_internal): New function using it.

	* sysdeps/posix/getcwd.c (__canonicalize_directory_name_internal): New
	function, broken out of __getcwd.
	(__getcwd): Use it.

Wed May 22 18:14:05 1996  Miles Bader  <miles@gnu.ai.mit.edu>

	* string/argz-create.c (__argz_create): Correctly calculate length.

	* string/argz-extract.c (__argz_extract): Add terminating 0 entry.
	* hurd/hurdstartup.c (_hurd_startup): ... and don't so here.

	[HAVE_VMSDIR_H]: Include "vmsdir.h".
	(glob) [VMS]: Don't grok ~.

1 files changed, 70 insertions, 25 deletions

diff --git a/resolv/res_comp.c b/resolv/res_comp.c
index f234772..e105dbb 100644
--- a/resolv/res_comp.c
+++ b/resolv/res_comp.c
@@ -3,7 +3,7 @@
  * -
  * Copyright (c) 1985, 1993
  *    The Regents of the University of California.  All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -19,7 +19,7 @@
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -33,14 +33,14 @@
  * SUCH DAMAGE.
  * -
  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- * 
+ *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies, and that
  * the name of Digital Equipment Corporation not be used in advertising or
  * publicity pertaining to distribution of the document or software without
  * specific, written prior permission.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
@@ -343,7 +343,7 @@ dn_find(exp_dn, msg, dnptrs, lastdnptr)
 /****
 To: "Lawrence R. Rogers" <lrr@cert.org>
 cc: cert@cert.org, pvm@home.net
-Subject: Re: VU#14542 
+Subject: Re: VU#14542
 In-reply-to: Your message of "Mon, 19 Feb 1996 17:16:27 PST."
 Date: Tue, 20 Feb 1996 22:37:21 -0800
 From: Paul A Vixie <vixie@wisdom.home.vix.com>
@@ -359,7 +359,7 @@ in retrospect,
 should have been
 
 	hostname = label ( "." label )+
-	firstchar = [a-zA-Z0-9_]
+	firstchar = [a-zA-Z0-9]
 	otherchar = [a-zA-Z0-9_-]
 	label = firstchar otherchar*
 
@@ -368,53 +368,98 @@ earlier.  since i'm only trying to bend the spec to fit actual known uses,
 i should not have widened the rules as far as i did earlier.
 ****/
 
-#define firstchar(c) ((isascii(c) && isalnum(c)) || (c) == '_')
-#define otherchar(c) (firstchar(c) || (c) == '-')
-#define	wildlabel(firstlabel, ch, nch) \
-	((firstlabel) && (ch) == '*' && ((nch) == '.' || (nch) == '\0'))
+/*
+ * Note the conspicuous absence of ctype macros in these definitions.  On
+ * non-ASCII hosts, we can't depend on string literals or ctype macros to
+ * tell us anything about network-format data.  The rest of the BIND system
+ * is not careful about this, but for some reason, we're doing it right here.
+ */
+#define PERIOD 0x2e
+#define	hyphenchar(c) ((c) == 0x2d)
+#define bslashchar(c) ((c) == 0x5c)
+#define periodchar(c) ((c) == PERIOD)
+#define asterchar(c) ((c) == 0x2a)
+#define alphachar(c) (((c) >= 0x41 && (c) <= 0x5a) \
+		   || ((c) >= 0x61 && (c) <= 0x7a))
+#define digitchar(c) ((c) >= 0x30 && (c) <= 0x39)
+
+#define borderchar(c) (alphachar(c) || digitchar(c))
+#define middlechar(c) (borderchar(c) || hyphenchar(c))
+#define	domainchar(c) ((c) > 0x20 && (c) < 0x7f)
 
 int
 res_hnok(dn)
 	const char *dn;
 {
-	int ppch = '\0', pch = '.', ch = *dn++, firstlabel = 1;
+	int ppch = '\0', pch = PERIOD, ch = *dn++;
 
 	while (ch != '\0') {
 		int nch = *dn++;
 
-		if (ch == '.' || (ch == '\\' && nch == '.')) {
+		if (periodchar(ch)) {
 			NULL;
-		} else if (pch == '.' && ppch != '\\') {
-			if (!firstchar(ch) && !wildlabel(firstlabel, ch, nch))
+		} else if (periodchar(pch)) {
+			if (!borderchar(ch))
+				return (0);
+		} else if (periodchar(nch) || nch == '\0') {
+			if (!borderchar(ch))
 				return (0);
 		} else {
-			if (!otherchar(ch))
+			if (!middlechar(ch))
 				return (0);
 		}
 		ppch = pch, pch = ch, ch = nch;
-		firstlabel = 0;
 	}
 	return (1);
 }
 
 /*
+ * hostname-like (A, MX, WKS) owners can have "*" as their first label
+ * but must otherwise be as a host name.
+ */
+int
+res_ownok(dn)
+	const char *dn;
+{
+	if (asterchar(dn[0]) && periodchar(dn[1]))
+		dn += 2;
+	return (res_hnok(dn));
+}
+
+/*
+ * SOA RNAMEs and RP RNAMEs can have any printable character in their first
+ * label, but the rest of the name has to look like a host name.
+ */
+int
+res_mailok(dn)
+	const char *dn;
+{
+	int ch, pch;
+
+	pch = '\0';
+	while ((ch = *dn++) != '\0') {
+		if (!domainchar(ch))
+			return (0);
+		if (periodchar(ch) && !bslashchar(pch))
+			break;
+		pch = ch;
+	}
+	return (res_hnok(dn));
+}
+
+/*
  * This function is quite liberal, since RFC 1034's character sets are only
  * recommendations.
- *
- * Note that some char's are signed, so we have to cast to unsigned.
  */
 int
-dn_isvalid(dn)
+res_dnok(dn)
 	const char *dn;
 {
-	unsigned char *t = (unsigned char *)dn;
 	int ch;
 
-	while ((ch = *t++) != '\0')
-		if (ch <= 0x1f || ch >= 0x7f) {
-			/* Unprintable in ASCII. */
+	while ((ch = *dn++) != '\0')
+		if (!domainchar(ch))
 			return (0);
-		}
 	return (1);
 }
 
@@ -498,7 +543,7 @@ putlong(l, msgp)
 {
 	__putlong(l, msgp);
 }
- 
+
 #undef dn_skipname
 dn_skipname(comp_dn, eom)
 	const u_char *comp_dn, *eom;