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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libnetworking/] [libc/] [ascii2addr.c] - Rev 173
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/* * 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 $ * * $Id: ascii2addr.c,v 1.2 2001-09-27 12:01:53 chris Exp $ */ #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; case AF_LINK: link_addr(ascii, result); /* oops... no way to detect failure */ return sizeof(struct sockaddr_dl); default: errno = EPROTONOSUPPORT; break; } return -1; }