6289479 libresolv2 clean up and alignment with libbind.6.0

1 files changed, 21 insertions, 29 deletions

diff --git a/usr/src/lib/libresolv2/common/inet/inet_pton.c b/usr/src/lib/libresolv2/common/inet/inet_pton.c
index 465d1ded01..2c516c798a 100644
--- a/usr/src/lib/libresolv2/common/inet/inet_pton.c
+++ b/usr/src/lib/libresolv2/common/inet/inet_pton.c
@@ -1,28 +1,22 @@
 /*
- * Copyright 1997-2002 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-/* Copyright (c) 1996,1999 by Internet Software Consortium.
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
  *
  * 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.
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
- * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
- * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #if defined(LIBC_SCCS) && !defined(lint)
-static const char rcsid[] = "$Id: inet_pton.c,v 1.8 2001/07/16 03:22:24 marka Exp $";
+static const char rcsid[] = "$Id: inet_pton.c,v 1.5 2005/07/28 06:51:47 marka Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include "port_before.h"
@@ -36,7 +30,7 @@ static const char rcsid[] = "$Id: inet_pton.c,v 1.8 2001/07/16 03:22:24 marka Ex
 #include <errno.h>
 #include "port_after.h"
 
-/*
+/*%
  * WARNING: Don't even consider trying to compile this on a system where
  * sizeof(int) < 4.  sizeof(int) > 4 is fine; all the world's not a VAX.
  */
@@ -44,8 +38,6 @@ static const char rcsid[] = "$Id: inet_pton.c,v 1.8 2001/07/16 03:22:24 marka Ex
 static int	inet_pton4 __P((const char *src, u_char *dst));
 static int	inet_pton6 __P((const char *src, u_char *dst));
 
-#ifndef	SUNW_LIBNSL	/* We don't need this if linked with libnsl */
-
 /* int
  * inet_pton(af, src, dst)
  *	convert from presentation format (which usually means ASCII printable)
@@ -149,7 +141,7 @@ inet_pton6(src, dst)
 			  xdigits_u[] = "0123456789ABCDEF";
 	u_char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp;
 	const char *xdigits, *curtok;
-	int ch, saw_xdigit;
+	int ch, seen_xdigits;
 	u_int val;
 
 	memset((tp = tmp), '\0', NS_IN6ADDRSZ);
@@ -160,7 +152,7 @@ inet_pton6(src, dst)
 		if (*++src != ':')
 			return (0);
 	curtok = src;
-	saw_xdigit = 0;
+	seen_xdigits = 0;
 	val = 0;
 	while ((ch = *src++) != '\0') {
 		const char *pch;
@@ -170,14 +162,13 @@ inet_pton6(src, dst)
 		if (pch != NULL) {
 			val <<= 4;
 			val |= (pch - xdigits);
-			if (val > 0xffff)
+			if (++seen_xdigits > 4)
 				return (0);
-			saw_xdigit = 1;
 			continue;
 		}
 		if (ch == ':') {
 			curtok = src;
-			if (!saw_xdigit) {
+			if (!seen_xdigits) {
 				if (colonp)
 					return (0);
 				colonp = tp;
@@ -189,19 +180,19 @@ inet_pton6(src, dst)
 				return (0);
 			*tp++ = (u_char) (val >> 8) & 0xff;
 			*tp++ = (u_char) val & 0xff;
-			saw_xdigit = 0;
+			seen_xdigits = 0;
 			val = 0;
 			continue;
 		}
 		if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
 		    inet_pton4(curtok, tp) > 0) {
 			tp += NS_INADDRSZ;
-			saw_xdigit = 0;
-			break;	/* '\0' was seen by inet_pton4(). */
+			seen_xdigits = 0;
+			break;	/*%< '\\0' was seen by inet_pton4(). */
 		}
 		return (0);
 	}
-	if (saw_xdigit) {
+	if (seen_xdigits) {
 		if (tp + NS_INT16SZ > endp)
 			return (0);
 		*tp++ = (u_char) (val >> 8) & 0xff;
@@ -228,4 +219,5 @@ inet_pton6(src, dst)
 	memcpy(dst, tmp, NS_IN6ADDRSZ);
 	return (1);
 }
-#endif	/* SUNW_LIBNSL */
+
+/*! \file */