source: rtems/cpukit/libnetworking/libc/inet_network.c @ cb68253

5
Last change on this file since cb68253 was cb68253, checked in by Sebastian Huber <sebastian.huber@…>, on 09/07/18 at 04:19:02

network: Use kernel/user space header files

Add and use <machine/rtems-bsd-kernel-space.h> and
<machine/rtems-bsd-user-space.h> similar to the libbsd to avoid command
line defines and defines scattered throught the code base.

Simplify cpukit/libnetworking/Makefile.am.

Update #3375.

  • Property mode set to 100644
File size: 2.9 KB
Line 
1#include <machine/rtems-bsd-user-space.h>
2
3/*
4 * Copyright (c) 1983, 1993
5 *      The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by the University of
18 *      California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#if HAVE_CONFIG_H
37#include "config.h"
38#endif
39
40#include <sys/types.h>
41#include <netinet/in.h>
42#include <arpa/inet.h>
43#include <ctype.h>
44
45/*
46 * Internet network address interpretation routine.
47 * The library routines call this routine to interpret
48 * network numbers.
49 */
50in_addr_t
51inet_network(
52        const char *cp)
53{
54        register u_long val, base, n, i;
55        register char c;
56        u_long parts[4], *pp = parts;
57
58again:
59        val = 0; base = 10;
60        if (*cp == '0')
61                base = 8, cp++;
62        if (*cp == 'x' || *cp == 'X')
63                base = 16, cp++;
64        while ((c = *cp) != 0) {
65                if (isdigit((unsigned char)c)) {
66                        val = (val * base) + (c - '0');
67                        cp++;
68                        continue;
69                }
70                if (base == 16 && isxdigit((unsigned char)c)) {
71                        val = (val << 4) + (c + 10 - (islower((unsigned char)c) ? 'a' : 'A'));
72                        cp++;
73                        continue;
74                }
75                break;
76        }
77        if (*cp == '.') {
78                if (pp >= parts + 3)
79                        return (INADDR_NONE);
80                *pp++ = val, cp++;
81                goto again;
82        }
83        if (*cp && !isspace((unsigned char)*cp))
84                return (INADDR_NONE);
85        *pp++ = val;
86        n = pp - parts;
87        for (val = 0, i = 0; i < n; i++) {
88                val <<= 8;
89                val |= parts[i] & 0xff;
90        }
91        return (val);
92}
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