/[jscoverage]/trunk/http-host.c
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Contents of /trunk/http-host.c

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Revision 116 - (show annotations)
Sat May 31 21:42:36 2008 UTC (11 years, 6 months ago) by siliconforks
File MIME type: text/plain
File size: 1493 byte(s)
Add jscoverage-server.

1 /*
2 http-host.c - thread-safe host lookup
3 Copyright (C) 2008 siliconforks.com
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #include <config.h>
21
22 #include "http-server.h"
23
24 #include <errno.h>
25 #include <netdb.h>
26
27 #include "util.h"
28
29 int xgethostbyname(const char * host, struct in_addr * a) {
30 struct hostent h;
31 struct hostent * p;
32 char * buffer;
33 size_t buffer_size;
34 int error;
35 int result;
36
37 buffer_size = 1024;
38 buffer = xmalloc(buffer_size);
39 while ((result = gethostbyname_r(host, &h, buffer, buffer_size, &p, &error)) == ERANGE) {
40 buffer_size = mulst(buffer_size, 2);
41 buffer = xrealloc(buffer, buffer_size);
42 }
43 if (result != 0 || p == NULL || p->h_addrtype != AF_INET) {
44 free(buffer);
45 return -1;
46 }
47 *a = *((struct in_addr *) p->h_addr);
48 free(buffer);
49 return 0;
50 }

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