diff options
Diffstat (limited to 'resolv/inet_addr.c')
| -rw-r--r-- | resolv/inet_addr.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/resolv/inet_addr.c b/resolv/inet_addr.c deleted file mode 100644 index 022f7ea084..0000000000 --- a/resolv/inet_addr.c +++ /dev/null @@ -1,183 +0,0 @@ -/* - * Copyright (c) 1983, 1990, 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: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 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 - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * 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 - * CORPORATION 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. - */ - -/* - * Portions 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 <sys/types.h> -#include <sys/param.h> - -#include <netinet/in.h> -#include <arpa/inet.h> - -#include <ctype.h> - -#include <endian.h> -#include <stdint.h> -#include <stdlib.h> -#include <limits.h> -#include <errno.h> - -/* - * Ascii internet address interpretation routine. - * The value returned is in network order. - */ -in_addr_t -__inet_addr(const char *cp) { - struct in_addr val; - - if (__inet_aton(cp, &val)) - return (val.s_addr); - return (INADDR_NONE); -} -weak_alias (__inet_addr, inet_addr) - -/* - * Check whether "cp" is a valid ascii representation - * of an Internet address and convert to a binary address. - * Returns 1 if the address is valid, 0 if not. - * This replaces inet_addr, the return value from which - * cannot distinguish between failure and a local broadcast address. - */ -int -__inet_aton(const char *cp, struct in_addr *addr) -{ - static const in_addr_t max[4] = { 0xffffffff, 0xffffff, 0xffff, 0xff }; - in_addr_t val; - char c; - union iaddr { - uint8_t bytes[4]; - uint32_t word; - } res; - uint8_t *pp = res.bytes; - int digit; - - int saved_errno = errno; - __set_errno (0); - - res.word = 0; - - c = *cp; - for (;;) { - /* - * Collect number up to ``.''. - * Values are specified as for C: - * 0x=hex, 0=octal, isdigit=decimal. - */ - if (!isdigit(c)) - goto ret_0; - { - char *endp; - unsigned long ul = strtoul (cp, (char **) &endp, 0); - if (ul == ULONG_MAX && errno == ERANGE) - goto ret_0; - if (ul > 0xfffffffful) - goto ret_0; - val = ul; - digit = cp != endp; - cp = endp; - } - c = *cp; - if (c == '.') { - /* - * Internet format: - * a.b.c.d - * a.b.c (with c treated as 16 bits) - * a.b (with b treated as 24 bits) - */ - if (pp > res.bytes + 2 || val > 0xff) - goto ret_0; - *pp++ = val; - c = *++cp; - } else - break; - } - /* - * Check for trailing characters. - */ - if (c != '\0' && (!isascii(c) || !isspace(c))) - goto ret_0; - /* - * Did we get a valid digit? - */ - if (!digit) - goto ret_0; - - /* Check whether the last part is in its limits depending on - the number of parts in total. */ - if (val > max[pp - res.bytes]) - goto ret_0; - - if (addr != NULL) - addr->s_addr = res.word | htonl (val); - - __set_errno (saved_errno); - return (1); - -ret_0: - __set_errno (saved_errno); - return (0); -} -weak_alias (__inet_aton, inet_aton) -libc_hidden_def (__inet_aton) -libc_hidden_weak (inet_aton) |