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Annotation of embedaddon/libpdel/structs/type/structs_type_ip6.c, revision 1.1.1.1

1.1       misho       1: 
                      2: /*
                      3:  * Copyright (c) 2001-2002 Packet Design, LLC.
                      4:  * All rights reserved.
                      5:  * 
                      6:  * Subject to the following obligations and disclaimer of warranty,
                      7:  * use and redistribution of this software, in source or object code
                      8:  * forms, with or without modifications are expressly permitted by
                      9:  * Packet Design; provided, however, that:
                     10:  * 
                     11:  *    (i)  Any and all reproductions of the source or object code
                     12:  *         must include the copyright notice above and the following
                     13:  *         disclaimer of warranties; and
                     14:  *    (ii) No rights are granted, in any manner or form, to use
                     15:  *         Packet Design trademarks, including the mark "PACKET DESIGN"
                     16:  *         on advertising, endorsements, or otherwise except as such
                     17:  *         appears in the above copyright notice or in the software.
                     18:  * 
                     19:  * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
                     20:  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
                     21:  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
                     22:  * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
                     23:  * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
                     24:  * OR NON-INFRINGEMENT.  PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
                     25:  * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
                     26:  * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
                     27:  * RELIABILITY OR OTHERWISE.  IN NO EVENT SHALL PACKET DESIGN BE
                     28:  * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
                     29:  * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
                     30:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
                     31:  * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
                     32:  * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
                     33:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     34:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
                     35:  * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
                     36:  * THE POSSIBILITY OF SUCH DAMAGE.
                     37:  *
                     38:  * Author: Archie Cobbs <archie@freebsd.org>
                     39:  */
                     40: 
                     41: #include <sys/types.h>
                     42: #include <sys/socket.h>
                     43: #include <netinet/in.h>
                     44: #include <arpa/inet.h>
                     45: #include <net/ethernet.h>
                     46: 
                     47: #include <stdio.h>
                     48: #include <stdlib.h>
                     49: #include <stdarg.h>
                     50: #include <string.h>
                     51: #include <errno.h>
                     52: #include <ctype.h>
                     53: 
                     54: #include "structs/structs.h"
                     55: #include "structs/type/array.h"
                     56: #include "structs/type/ip6.h"
                     57: #include "util/typed_mem.h"
                     58: 
                     59: /*********************************************************************
                     60:                        IPv6 ADDRESS TYPE
                     61: *********************************************************************/
                     62: 
                     63: static structs_ascify_t                structs_ip6_ascify;
                     64: static structs_binify_t                structs_ip6_binify;
                     65: 
                     66: static char *
                     67: structs_ip6_ascify(const struct structs_type *type,
                     68:        const char *mtype, const void *data)
                     69: {
                     70:        char *res;
                     71: 
                     72:        if ((res = MALLOC(mtype, INET6_ADDRSTRLEN + 1)) != NULL)
                     73:                inet_ntop(AF_INET6, data, res, INET6_ADDRSTRLEN);
                     74:        return (res);
                     75: }
                     76: 
                     77: static int
                     78: structs_ip6_binify(const struct structs_type *type,
                     79:        const char *ascii, void *data, char *ebuf, size_t emax)
                     80: {
                     81:        switch (inet_pton(AF_INET6, ascii, data)) {
                     82:        case 0:
                     83:                strlcpy(ebuf, "invalid IPv6 address", emax);
                     84:                errno = EINVAL;
                     85:                break;
                     86:        case 1:
                     87:                return (0);
                     88:        default:
                     89:                break;
                     90:        }
                     91:        return (-1);
                     92: }
                     93: 
                     94: const struct structs_type structs_type_ip6 = {
                     95:        sizeof(struct in6_addr),
                     96:        "ip6",
                     97:        STRUCTS_TYPE_PRIMITIVE,
                     98:        structs_region_init,
                     99:        structs_region_copy,
                    100:        structs_region_equal,
                    101:        structs_ip6_ascify,
                    102:        structs_ip6_binify,
                    103:        structs_region_encode,
                    104:        structs_region_decode,
                    105:        structs_nothing_free,
                    106: };
                    107: