diff options
Diffstat (limited to 'plugins/gethostbyname.h')
-rw-r--r-- | plugins/gethostbyname.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/plugins/gethostbyname.h b/plugins/gethostbyname.h new file mode 100644 index 0000000..2b96399 --- /dev/null +++ b/plugins/gethostbyname.h | |||
@@ -0,0 +1,103 @@ | |||
1 | /* | ||
2 | * This file is a ghastly hack because nobody can agree on | ||
3 | * gethostbyname_r()'s prototype. | ||
4 | * | ||
5 | * Copyright (C) 2001,2002 Brian Stafford <brian@stafford.uklinux.net> | ||
6 | * | ||
7 | * This library is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU Lesser General Public | ||
9 | * License as published by the Free Software Foundation; either | ||
10 | * version 2.1 of the License, or (at your option) any later version. | ||
11 | * | ||
12 | * This library is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * Lesser General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU Lesser General Public | ||
18 | * License along with this library; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | */ | ||
21 | |||
22 | /************************************************************************* | ||
23 | Usage: | ||
24 | |||
25 | #include <errno.h> | ||
26 | #include "gethostbyname.h" | ||
27 | |||
28 | f () | ||
29 | { | ||
30 | struct ghbnctx ctx; | ||
31 | |||
32 | errno = 0; | ||
33 | hp = gethostbyname_ctx (host, &ctx); | ||
34 | if (hp == NULL) | ||
35 | { | ||
36 | if (errno != 0) | ||
37 | handle_value_of_errno (errno); | ||
38 | else | ||
39 | handle_value_of_h_errno (h_error_ctx (&ctx)); | ||
40 | } | ||
41 | else | ||
42 | { | ||
43 | ... | ||
44 | } | ||
45 | free_ghbnctx (&ctx); | ||
46 | } | ||
47 | *************************************************************************/ | ||
48 | |||
49 | #ifndef _gethostbyname_h | ||
50 | #define _gethostbyname_h | ||
51 | |||
52 | #if HAVE_GETIPNODEBYNAME | ||
53 | |||
54 | struct ghbnctx | ||
55 | { | ||
56 | int h_err; | ||
57 | struct hostent *hostent; | ||
58 | }; | ||
59 | |||
60 | #elif HAVE_GETHOSTBYNAME_R == 6 | ||
61 | |||
62 | struct ghbnctx | ||
63 | { | ||
64 | int h_err; | ||
65 | struct hostent hostent; | ||
66 | char *hostbuf; | ||
67 | size_t hostbuf_len; | ||
68 | }; | ||
69 | |||
70 | #elif HAVE_GETHOSTBYNAME_R == 5 | ||
71 | |||
72 | struct ghbnctx | ||
73 | { | ||
74 | int h_err; | ||
75 | struct hostent hostent; | ||
76 | char *hostbuf; | ||
77 | int hostbuf_len; | ||
78 | }; | ||
79 | |||
80 | #elif HAVE_GETHOSTBYNAME_R == 3 | ||
81 | |||
82 | struct ghbnctx | ||
83 | { | ||
84 | int h_err; | ||
85 | struct hostent_data hostent_data; | ||
86 | struct hostent hostent; | ||
87 | }; | ||
88 | |||
89 | #else | ||
90 | |||
91 | struct ghbnctx | ||
92 | { | ||
93 | int h_err; | ||
94 | }; | ||
95 | |||
96 | #endif | ||
97 | |||
98 | struct hostent *gethostbyname_ctx (const char *host, struct ghbnctx *ctx); | ||
99 | int h_error_ctx (struct ghbnctx *ctx); | ||
100 | void free_ghbnctx (struct ghbnctx *ctx); | ||
101 | |||
102 | #endif | ||
103 | |||