kernel/lockf: Add include for LOCKF_DEBUG and fix printf warnings.
[dragonfly.git] / test / udp / sendwildcard / udp_sendwildcard.c
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f503b4c4
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1#include <sys/types.h>
2#include <sys/socket.h>
3
4#include <arpa/inet.h>
5#include <netinet/in.h>
6
7#include <err.h>
8#include <stdio.h>
9#include <stdint.h>
10#include <stdlib.h>
11#include <string.h>
12#include <unistd.h>
13
14static void
15usage(const char *cmd)
16{
17 fprintf(stderr, "%s -4 ip4 -p port\n", cmd);
18 exit(1);
19}
20
21int
22main(int argc, char *argv[])
23{
24 struct sockaddr_in in;
25 int s, opt, n;
26 uint8_t buf[18];
27
28 memset(&in, 0, sizeof(in));
29 in.sin_family = AF_INET;
30
31 while ((opt = getopt(argc, argv, "4:p:")) != -1) {
32 switch (opt) {
33 case '4':
34 if (inet_pton(AF_INET, optarg, &in.sin_addr) <= 0)
35 usage(argv[0]);
36 break;
37
38 case 'p':
39 in.sin_port = strtol(optarg, NULL, 10);
40 in.sin_port = htons(in.sin_port);
41 break;
42
43 default:
44 usage(argv[0]);
45 }
46 }
47
48 if (in.sin_addr.s_addr == INADDR_ANY || in.sin_port == 0)
49 usage(argv[0]);
50
51 s = socket(AF_INET, SOCK_DGRAM, 0);
52 if (s < 0)
53 err(2, "socket failed");
54
55 n = sendto(s, buf, sizeof(buf), 0,
56 (const struct sockaddr *)&in, sizeof(in));
57 if (n < 0)
58 err(2, "sendto failed");
59 else if (n != (int)sizeof(buf))
60 errx(2, "sent truncated data %d", n);
61
62 n = read(s, buf, sizeof(buf));
63 if (n < 0)
64 err(2, "read failed");
65 printf("read %d, done\n", n);
66
67 exit(0);
68}