| /* |
| * Copyright 1996 Massachusetts Institute of Technology |
| * |
| * Permission to use, copy, modify, and distribute this software and |
| * its documentation for any purpose and without fee is hereby |
| * granted, provided that both the above copyright notice and this |
| * permission notice appear in all copies, that both the above |
| * copyright notice and this permission notice appear in all |
| * supporting documentation, and that the name of M.I.T. not be used |
| * in advertising or publicity pertaining to distribution of the |
| * software without specific, written prior permission. M.I.T. makes |
| * no representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied |
| * warranty. |
| * |
| * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS |
| * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT |
| * SHALL M.I.T. 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. |
| * |
| * $ANA: ascii2addr.c,v 1.2 1996/06/13 18:46:02 wollman Exp $ |
| */ |
| |
| #include <sys/cdefs.h> |
| |
| #include <sys/types.h> |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| |
| #include <errno.h> |
| #include <string.h> |
| |
| #include <net/if_dl.h> |
| #include <netinet/in.h> |
| #include <arpa/inet.h> |
| |
| int |
| ascii2addr(af, ascii, result) |
| int af; |
| const char *ascii; |
| void *result; |
| { |
| struct in_addr *ina; |
| char strbuf[4*sizeof("123")]; /* long enough for V4 only */ |
| |
| switch(af) { |
| case AF_INET: |
| ina = result; |
| strbuf[0] = '\0'; |
| strncat(strbuf, ascii, (sizeof strbuf)-1); |
| if (inet_aton(strbuf, ina)) |
| return sizeof(struct in_addr); |
| errno = EINVAL; |
| break; |
| |
| default: |
| errno = EPROTONOSUPPORT; |
| break; |
| } |
| |
| return -1; |
| } |