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Diffstat (limited to 'src/regress/lib/libc/asr/bin/gethostnamadr.c')
-rw-r--r--src/regress/lib/libc/asr/bin/gethostnamadr.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/src/regress/lib/libc/asr/bin/gethostnamadr.c b/src/regress/lib/libc/asr/bin/gethostnamadr.c
new file mode 100644
index 0000000000..b1b3e331a7
--- /dev/null
+++ b/src/regress/lib/libc/asr/bin/gethostnamadr.c
@@ -0,0 +1,113 @@
1/* $OpenBSD: gethostnamadr.c,v 1.2 2012/07/29 19:51:36 eric Exp $ */
2/*
3 * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17#include <sys/types.h>
18#include <sys/socket.h>
19#include <netinet/in.h>
20#include <arpa/inet.h>
21
22#include <err.h>
23#include <errno.h>
24#include <getopt.h>
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28
29#include "common.h"
30
31static void
32usage(void)
33{
34 extern const char * __progname;
35
36 fprintf(stderr, "usage: %s [-46e] <host...>\n", __progname);
37 exit(1);
38}
39
40int
41main(int argc, char *argv[])
42{
43 int i, ch, aflag, family = AF_INET;
44 struct hostent *h;
45 char *host;
46 char addr[16];
47 int addrlen;
48
49 aflag = 0;
50 while((ch = getopt(argc, argv, "46ae")) != -1) {
51 switch(ch) {
52 case '4':
53 family = AF_INET;
54 break;
55 case '6':
56 family = AF_INET6;
57 break;
58 case 'a':
59 aflag = 1;
60 break;
61 case 'e':
62 long_err += 1;
63 break;
64 default:
65 usage();
66 /* NOTREACHED */
67 }
68 }
69 argc -= optind;
70 argv += optind;
71
72 for(i = 0; i < argc; i++) {
73
74 if (i)
75 printf("\n");
76 printf("===> \"%s\"\n", argv[i]);
77 host = gethostarg(argv[i]);
78
79 if (aflag && addr_from_str(addr, &family, &addrlen, host) == -1)
80 errx(1, "bad address");
81
82 errno = 0;
83 h_errno = 0;
84 gai_errno = 0;
85 rrset_errno = 0;
86
87 if (aflag == 0)
88 h = gethostbyname2(host, family);
89 else
90 h = gethostbyaddr(addr, addrlen, family);
91 if (h)
92 print_hostent(h);
93 print_errors();
94 }
95
96 return (0);
97}
98
99int
100addr_from_str(char *addr, int *family, int *len, const char *src)
101{
102 if (inet_pton(AF_INET6, src, addr) == 1) {
103 *family = AF_INET6;
104 *len = 16;
105 return (0);
106 }
107 if (inet_pton(AF_INET, src, addr) == 1) {
108 *family = AF_INET;
109 *len = 4;
110 return (0);
111 }
112 return (-1);
113}