diff options
Diffstat (limited to 'StdLib/LibC/NetUtil/inet_ntop.c')
| -rw-r--r-- | StdLib/LibC/NetUtil/inet_ntop.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/StdLib/LibC/NetUtil/inet_ntop.c b/StdLib/LibC/NetUtil/inet_ntop.c deleted file mode 100644 index c16935c369..0000000000 --- a/StdLib/LibC/NetUtil/inet_ntop.c +++ /dev/null @@ -1,238 +0,0 @@ -/** @File
- Convert a binary network address into a presentable (printable) format.
-
- Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials are licensed and made available under
- the terms and conditions of the BSD License that accompanies this distribution.
- The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
- * 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.
-
- NetBSD: inet_ntop.c,v 1.3.4.2 2007/05/17 21:25:14 jdc Exp
- inet_ntop.c,v 1.3.18.2 2005/11/03 23:02:22 marka Exp
-**/
-#include <LibConfig.h>
-
-//#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) {
- errno = ENOSPC;
- return (NULL);
- }
- //strlcpy(dst, tmp, size);
- strncpyX(dst, tmp, (size_t)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;
- unsigned 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)
- return (NULL);
- *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)))
- return (NULL);
- tp += strlen(tp);
- break;
- }
- advance = snprintf(tp, (size_t)(ep - tp), "%x", words[i]);
- if (advance <= 0 || advance >= ep - tp)
- return (NULL);
- 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)
- return (NULL);
- *tp++ = ':';
- }
- if (tp + 1 >= ep)
- return (NULL);
- *tp++ = '\0';
-
- /*
- * Check for overflow, copy, and we're done.
- */
- if ((size_t)(tp - tmp) > size) {
- errno = ENOSPC;
- return (NULL);
- }
- //strlcpy(dst, tmp, size);
- strncpyX(dst, tmp, (size_t)size);
- return (dst);
-}
-
-/*! \file */
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