/[jscoverage]/trunk/http-host.c
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Revision 118 - (show annotations)
Sat May 31 22:32:16 2008 UTC (11 years, 5 months ago) by siliconforks
File MIME type: text/plain
File size: 1732 byte(s)
Fix for Cygwin.

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 #ifdef __CYGWIN__
31 /* cygwin's gethostbyname is thread-safe */
32 struct hostent * p = gethostbyname(host);
33 if (p == NULL || p->h_addrtype != AF_INET) {
34 return -1;
35 }
36 *a = *((struct in_addr *) p->h_addr);
37 return 0;
38 #else
39 struct hostent h;
40 struct hostent * p;
41 char * buffer;
42 size_t buffer_size;
43 int error;
44 int result;
45
46 buffer_size = 1024;
47 buffer = xmalloc(buffer_size);
48 while ((result = gethostbyname_r(host, &h, buffer, buffer_size, &p, &error)) == ERANGE) {
49 buffer_size = mulst(buffer_size, 2);
50 buffer = xrealloc(buffer, buffer_size);
51 }
52 if (result != 0 || p == NULL || p->h_addrtype != AF_INET) {
53 free(buffer);
54 return -1;
55 }
56 *a = *((struct in_addr *) p->h_addr);
57 free(buffer);
58 return 0;
59 #endif
60 }

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