Switch back to OpenBSD inet_ntop now they're FORTIFY clean.

Change-Id: I04798a4966c352a8a12feebdff9646e3bad5933f
diff --git a/libc/Android.mk b/libc/Android.mk
index f0ee09d..e004d62 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -269,7 +269,6 @@
     upstream-netbsd/lib/libc/gen/setjmperr.c \
     upstream-netbsd/lib/libc/gen/utime.c \
     upstream-netbsd/lib/libc/gen/utmp.c \
-    upstream-netbsd/lib/libc/inet/inet_ntop.c \
     upstream-netbsd/lib/libc/isc/ev_streams.c \
     upstream-netbsd/lib/libc/isc/ev_timers.c \
     upstream-netbsd/lib/libc/regex/regcomp.c \
@@ -365,6 +364,7 @@
     upstream-openbsd/lib/libc/net/inet_netof.c \
     upstream-openbsd/lib/libc/net/inet_network.c \
     upstream-openbsd/lib/libc/net/inet_ntoa.c \
+    upstream-openbsd/lib/libc/net/inet_ntop.c \
     upstream-openbsd/lib/libc/net/inet_pton.c \
     upstream-openbsd/lib/libc/net/ntohl.c \
     upstream-openbsd/lib/libc/net/ntohs.c \
diff --git a/libc/upstream-netbsd/lib/libc/inet/inet_ntop.c b/libc/upstream-netbsd/lib/libc/inet/inet_ntop.c
deleted file mode 100644
index d27a5b1..0000000
--- a/libc/upstream-netbsd/lib/libc/inet/inet_ntop.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*	$NetBSD: inet_ntop.c,v 1.11 2014/02/10 16:30:54 christos Exp $	*/
-
-/*
- * 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 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.
- */
-
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static const char rcsid[] = "Id: inet_ntop.c,v 1.5 2005/11/03 22:59:52 marka Exp";
-#else
-__RCSID("$NetBSD: inet_ntop.c,v 1.11 2014/02/10 16:30:54 christos Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "port_before.h"
-
-#include "namespace.h"
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <arpa/nameser.h>
-
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "port_after.h"
-
-#ifdef __weak_alias
-__weak_alias(inet_ntop,_inet_ntop)
-#endif
-
-/*%
- * 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.
- */
-
-static const char *inet_ntop4(const u_char *src, char *dst, socklen_t size);
-static const char *inet_ntop6(const u_char *src, char *dst, socklen_t size);
-
-/* char *
- * inet_ntop(af, src, dst, size)
- *	convert a network format address to presentation format.
- * return:
- *	pointer to presentation format address (`dst'), or NULL (see errno).
- * author:
- *	Paul Vixie, 1996.
- */
-const char *
-inet_ntop(int af, const void *src, char *dst, socklen_t size)
-{
-
-	_DIAGASSERT(src != NULL);
-	_DIAGASSERT(dst != NULL);
-
-	switch (af) {
-	case AF_INET:
-		return inet_ntop4(src, dst, size);
-	case AF_INET6:
-		return inet_ntop6(src, dst, size);
-	default:
-		errno = EAFNOSUPPORT;
-		return NULL;
-	}
-	/* NOTREACHED */
-}
-
-/* const char *
- * inet_ntop4(src, dst, size)
- *	format an IPv4 address, more or less like inet_ntoa()
- * return:
- *	`dst' (as a const)
- * notes:
- *	(1) uses no statics
- *	(2) takes a u_char* not an in_addr as input
- * author:
- *	Paul Vixie, 1996.
- */
-static const char *
-inet_ntop4(const u_char *src, char *dst, socklen_t size)
-{
-	char tmp[sizeof "255.255.255.255"];
-	int l;
-
-	_DIAGASSERT(src != NULL);
-	_DIAGASSERT(dst != NULL);
-
-	l = snprintf(tmp, sizeof(tmp), "%u.%u.%u.%u",
-	    src[0], src[1], src[2], src[3]);
-	if (l <= 0 || (socklen_t) l >= size)
-		return NULL;
-	strlcpy(dst, tmp, size);
-	return dst;
-}
-
-/* const char *
- * inet_ntop6(src, dst, size)
- *	convert IPv6 binary address into presentation (printable) format
- * author:
- *	Paul Vixie, 1996.
- */
-static const char *
-inet_ntop6(const u_char *src, char *dst, socklen_t size)
-{
-	/*
-	 * Note that int32_t and int16_t need only be "at least" large enough
-	 * to contain a value of the specified size.  On some systems, like
-	 * Crays, there is no such thing as an integer variable with 16 bits.
-	 * Keep this in mind if you think this function should have been coded
-	 * to use pointer overlays.  All the world's not a VAX.
-	 */
-	char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
-	char *tp, *ep;
-	struct { int base, len; } best, cur;
-	u_int words[NS_IN6ADDRSZ / NS_INT16SZ];
-	int i;
-	int advance;
-
-	_DIAGASSERT(src != NULL);
-	_DIAGASSERT(dst != NULL);
-
-	/*
-	 * Preprocess:
-	 *	Copy the input (bytewise) array into a wordwise array.
-	 *	Find the longest run of 0x00's in src[] for :: shorthanding.
-	 */
-	memset(words, '\0', sizeof words);
-	for (i = 0; i < NS_IN6ADDRSZ; i++)
-		words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
-	best.base = -1;
-	best.len = 0;
-	cur.base = -1;
-	cur.len = 0;
-	for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
-		if (words[i] == 0) {
-			if (cur.base == -1)
-				cur.base = i, cur.len = 1;
-			else
-				cur.len++;
-		} else {
-			if (cur.base != -1) {
-				if (best.base == -1 || cur.len > best.len)
-					best = cur;
-				cur.base = -1;
-			}
-		}
-	}
-	if (cur.base != -1) {
-		if (best.base == -1 || cur.len > best.len)
-			best = cur;
-	}
-	if (best.base != -1 && best.len < 2)
-		best.base = -1;
-
-	/*
-	 * Format the result.
-	 */
-	tp = tmp;
-	ep = tmp + sizeof(tmp);
-	for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
-		/* Are we inside the best run of 0x00's? */
-		if (best.base != -1 && i >= best.base &&
-		    i < (best.base + best.len)) {
-			if (i == best.base)
-				*tp++ = ':';
-			continue;
-		}
-		/* Are we following an initial run of 0x00s or any real hex? */
-		if (i != 0) {
-			if (tp + 1 >= ep)
-				goto out;
-			*tp++ = ':';
-		}
-		/* Is this address an encapsulated IPv4? */
-		if (i == 6 && best.base == 0 &&
-		    (best.len == 6 ||
-		    (best.len == 7 && words[7] != 0x0001) ||
-		    (best.len == 5 && words[5] == 0xffff))) {
-			if (!inet_ntop4(src + 12, tp, (socklen_t)(ep - tp)))
-				goto out;
-			tp += strlen(tp);
-			break;
-		}
-		advance = snprintf(tp, (size_t)(ep - tp), "%x", words[i]);
-		if (advance <= 0 || advance >= ep - tp)
-			goto out;
-		tp += advance;
-	}
-	/* Was it a trailing run of 0x00's? */
-	if (best.base != -1 && (best.base + best.len) == 
-	    (NS_IN6ADDRSZ / NS_INT16SZ)) {
-		if (tp + 1 >= ep)
-			goto out;
-		*tp++ = ':';
-	}
-	if (tp + 1 >= ep)
-		goto out;
-	*tp++ = '\0';
-
-	/*
-	 * Check for overflow, copy, and we're done.
-	 */
-	if ((size_t)(tp - tmp) > size)
-		goto out;
-	strlcpy(dst, tmp, size);
-	return dst;
-out:
-	errno = ENOSPC;
-	return NULL;
-}
-
-/*! \file */
diff --git a/libc/upstream-openbsd/lib/libc/net/inet_ntop.c b/libc/upstream-openbsd/lib/libc/net/inet_ntop.c
index 359acd8..f991a07 100644
--- a/libc/upstream-openbsd/lib/libc/net/inet_ntop.c
+++ b/libc/upstream-openbsd/lib/libc/net/inet_ntop.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: inet_ntop.c,v 1.9 2014/02/05 14:20:43 millert Exp $	*/
+/*	$OpenBSD: inet_ntop.c,v 1.10 2014/05/17 18:16:14 tedu Exp $	*/
 
 /* Copyright (c) 1996 by Internet Software Consortium.
  *
@@ -71,11 +71,11 @@
 static const char *
 inet_ntop4(const u_char *src, char *dst, size_t size)
 {
-	static const char fmt[] = "%u.%u.%u.%u";
 	char tmp[sizeof "255.255.255.255"];
 	int l;
 
-	l = snprintf(tmp, size, fmt, src[0], src[1], src[2], src[3]);
+	l = snprintf(tmp, sizeof(tmp), "%u.%u.%u.%u",
+	    src[0], src[1], src[2], src[3]);
 	if (l <= 0 || l >= size) {
 		errno = ENOSPC;
 		return (NULL);