1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
5  *	The Regents of the University of California.  All rights reserved.
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
13  *    notice, this list of conditions and the following disclaimer in the
15  * 3. Neither the name of the University nor the names of its contributors
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 #define RESET	3  macro
52 	char *cp = sdl->sdl_data;  in link_addr()
53 	char *cplim = sdl->sdl_len + (char *)sdl;  in link_addr()
56 	bzero((char *)&sdl->sdl_family, sdl->sdl_len - 1);  in link_addr()
57 	sdl->sdl_family = AF_LINK;  in link_addr()
61 			new = *addr - '0';  in link_addr()
63 			new = *addr - 'a' + 10;  in link_addr()
65 			new = *addr - 'A' + 10;  in link_addr()
78 			*cp++ = addr[-1];  in link_addr()
81 			state = RESET;  in link_addr()
82 			sdl->sdl_nlen = cp - sdl->sdl_data;  in link_addr()
87 		case RESET | DIGIT:  in link_addr()
96 			state = RESET;  in link_addr()
104 		case RESET | END:  in link_addr()
109 	sdl->sdl_alen = cp - LLADDR(sdl);  in link_addr()
110 	new = cp - (char *)sdl;  in link_addr()
112 		sdl->sdl_len = new;  in link_addr()
123 	char *out;  in link_ntoa()  local
127 	namelen = (sdl->sdl_nlen <= IFNAMSIZ) ? sdl->sdl_nlen : IFNAMSIZ;  in link_ntoa()
129 	out = obuf;  in link_ntoa()
132 		bcopy(sdl->sdl_data, out, namelen);  in link_ntoa()
133 		out += namelen;  in link_ntoa()
134 		rem -= namelen;  in link_ntoa()
135 		if (sdl->sdl_alen > 0) {  in link_ntoa()
136 			*out++ = ':';  in link_ntoa()
137 			rem--;  in link_ntoa()
141 	in = (const u_char *)sdl->sdl_data + sdl->sdl_nlen;  in link_ntoa()
142 	inlim = in + sdl->sdl_alen;  in link_ntoa()
145 		if (in != (const u_char *)sdl->sdl_data + sdl->sdl_nlen) {  in link_ntoa()
146 			*out++ = '.';  in link_ntoa()
147 			rem--;  in link_ntoa()
153 			*out++ = hexlist[i >> 4];  in link_ntoa()
154 			*out++ = hexlist[i & 0xf];  in link_ntoa()
155 			rem -= 2;  in link_ntoa()
159 			*out++ = hexlist[i];  in link_ntoa()
160 			rem--;  in link_ntoa()
163 	*out = 0;  in link_ntoa()