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-rw-r--r--lib/system/inet_ntop.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/lib/system/inet_ntop.c b/lib/system/inet_ntop.c
deleted file mode 100644
index 87760ebf11..0000000000
--- a/lib/system/inet_ntop.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/* inet_ntop.c -- convert IPv4 and IPv6 addresses from binary to text form
-
- Copyright (C) 2005-2006, 2008-2015 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/*
- * 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.
- */
-
-#include <config.h>
-
-#ifndef HAVE_INET_NTOP
-
-# include <stdio.h>
-# include <string.h>
-# include <errno.h>
-# include <sys/socket.h>
-# include "system.h"
-
-# ifndef IF_LINT
-# define IF_LINT
-#endif
-
-# ifndef HAVE_IPV6
-# define HAVE_IPV6 1
-# endif
-
-# ifndef HAVE_IPV4
-# define HAVE_IPV4 1
-# endif
-
-# define NS_IN6ADDRSZ 16
-# define NS_INT16SZ 2
-
-/*
- * 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.
- */
-typedef int verify_int_size[4 <= sizeof (int) ? 1 : -1];
-
-static const char *inet_ntop4 (const unsigned char *src, char *dst, unsigned size);
-# if HAVE_IPV6
-static const char *inet_ntop6 (const unsigned char *src, char *dst, unsigned size);
-# endif
-
-
-/* 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 *restrict src,
- char *restrict dst, unsigned cnt)
-{
- switch (af)
- {
-# if HAVE_IPV4
- case AF_INET:
- return (inet_ntop4 (src, dst, cnt));
-# endif
-
-# if HAVE_IPV6
- case AF_INET6:
- return (inet_ntop6 (src, dst, cnt));
-# endif
-
- default:
- errno = EAFNOSUPPORT;
- return (NULL);
- }
- /* NOTREACHED */
-}
-
-/* const char *
- * inet_ntop4(src, dst, size)
- * format an IPv4 address
- * 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 unsigned char *src, char *dst, unsigned size)
-{
- char tmp[sizeof "255.255.255.255"];
- int len;
-
- len = sprintf (tmp, "%u.%u.%u.%u", src[0], src[1], src[2], src[3]);
- if (len < 0)
- return NULL;
-
- if ((unsigned)len > size)
- {
- errno = ENOSPC;
- return NULL;
- }
-
- return strcpy (dst, tmp);
-}
-
-# if HAVE_IPV6
-
-/* 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 unsigned char *src, char *dst, unsigned 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"], *tp;
- struct
- {
- int base, len;
- } best, cur;
- unsigned int words[NS_IN6ADDRSZ / NS_INT16SZ];
- int i;
-
- /*
- * 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 += 2)
- words[i / 2] = (src[i] << 8) | src[i + 1];
- best.base = -1;
- cur.base = -1;
- IF_LINT(best.len = 0);
- IF_LINT(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;
- 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)
- *tp++ = ':';
- /* Is this address an encapsulated IPv4? */
- if (i == 6 && best.base == 0 &&
- (best.len == 6 || (best.len == 5 && words[5] == 0xffff)))
- {
- if (!inet_ntop4 (src + 12, tp, sizeof tmp - (tp - tmp)))
- return (NULL);
- tp += strlen (tp);
- break;
- }
- {
- int len = sprintf (tp, "%x", words[i]);
- if (len < 0)
- return NULL;
- tp += len;
- }
- }
- /* Was it a trailing run of 0x00's? */
- if (best.base != -1 && (best.base + best.len) ==
- (NS_IN6ADDRSZ / NS_INT16SZ))
- *tp++ = ':';
- *tp++ = '\0';
-
- /*
- * Check for overflow, copy, and we're done.
- */
- if ((unsigned) (tp - tmp) > size)
- {
- errno = ENOSPC;
- return NULL;
- }
-
- return strcpy (dst, tmp);
-}
-
-# endif
-
-#endif
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