res_search.c revision e739ac0589b4fb43561f801c4faba8c1b89f8680 
1#include <stdio.h>
2#include <string.h>
3#include <netinet/in.h>
4#include <arpa/nameser.h>
5#include <resolv.h>
6#include <pthread.h>
7
8void* fn(void* arg)
9{
10    char* dn = (char*)arg;
11
12    unsigned char buff[8000];
13
14    if(-1 == res_search(dn, 1, 1, buff, 8000))
15    {
16        printf("Error: res_search()\n");
17    }
18    else
19    {
20        printf("Success!\n");
21    }
22    return 0;
23}
24
25int main(int argc, char** argv)
26{
27    pthread_t pid;
28    if(2 != argc)
29    {
30        printf("Usage: %s <domain>\n", argv[0]);
31        return 1;
32    }
33
34    _res.options |= RES_DEBUG;
35    if(0 != res_init())
36    {
37        printf("Error: res_init()\n");
38        return(1);
39    }
40#if 1
41    /* Test it in a different thread -- the failure case */
42    if(0 != pthread_create(&pid, 0, fn, (void*)argv[1]))
43    {
44        printf("Failed to create thread.\n");
45        return 1;
46    }
47
48    pthread_join(pid, 0);
49#else
50    {
51    unsigned char buff[8000];
52
53    if(-1 == res_search(argv[1], 1, 1, buff, 8000))
54    {
55        printf("Error: res_search()\n");
56    }
57    else
58    {
59        printf("Success!\n");
60    }
61    }
62#endif
63    return 0;
64}
65
66
67