[444] | 1 | /* |
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| 2 | * Copyright 1996 Massachusetts Institute of Technology |
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| 3 | * |
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| 4 | * Permission to use, copy, modify, and distribute this software and |
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| 5 | * its documentation for any purpose and without fee is hereby |
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| 6 | * granted, provided that both the above copyright notice and this |
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| 7 | * permission notice appear in all copies, that both the above |
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| 8 | * copyright notice and this permission notice appear in all |
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| 9 | * supporting documentation, and that the name of M.I.T. not be used |
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| 10 | * in advertising or publicity pertaining to distribution of the |
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| 11 | * software without specific, written prior permission. M.I.T. makes |
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| 12 | * no representations about the suitability of this software for any |
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| 13 | * purpose. It is provided "as is" without express or implied |
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| 14 | * warranty. |
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| 15 | * |
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| 16 | * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS |
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| 17 | * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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| 18 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT |
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| 20 | * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 21 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 22 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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| 23 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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| 26 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 27 | * SUCH DAMAGE. |
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| 28 | * |
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| 29 | * $ANA: ascii2addr.c,v 1.2 1996/06/13 18:46:02 wollman Exp $ |
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| 30 | */ |
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| 31 | |
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| 32 | #include <sys/cdefs.h> |
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| 33 | |
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| 34 | #include <sys/types.h> |
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| 35 | #include <sys/types.h> |
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| 36 | #include <sys/socket.h> |
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| 37 | |
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| 38 | #include <errno.h> |
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| 39 | #include <string.h> |
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| 40 | |
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| 41 | #include <net/if_dl.h> |
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| 42 | #include <netinet/in.h> |
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| 43 | #include <arpa/inet.h> |
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| 44 | |
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| 45 | int |
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| 46 | ascii2addr(af, ascii, result) |
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| 47 | int af; |
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| 48 | const char *ascii; |
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| 49 | void *result; |
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| 50 | { |
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| 51 | struct in_addr *ina; |
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| 52 | char strbuf[4*sizeof("123")]; /* long enough for V4 only */ |
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| 53 | |
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| 54 | switch(af) { |
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| 55 | case AF_INET: |
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| 56 | ina = result; |
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| 57 | strbuf[0] = '\0'; |
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| 58 | strncat(strbuf, ascii, (sizeof strbuf)-1); |
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| 59 | if (inet_aton(strbuf, ina)) |
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| 60 | return sizeof(struct in_addr); |
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| 61 | errno = EINVAL; |
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| 62 | break; |
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| 63 | |
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| 64 | default: |
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| 65 | errno = EPROTONOSUPPORT; |
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| 66 | break; |
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| 67 | } |
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| 68 | |
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| 69 | return -1; |
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| 70 | } |
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