1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: msgcat.c,v 1.18 2007/06/19 23:47:18 tbox Exp $ */
/*! \file msgcat.c
*
* \author Principal Author: Bob Halley
*/
#include <config.h>
#include <stddef.h>
#include <stdlib.h>
#include <isc/magic.h>
#include <isc/msgcat.h>
#include <isc/util.h>
#ifdef HAVE_CATGETS
#include <nl_types.h> /* Required for nl_catd. */
#endif
/*
* Implementation Notes:
*
* We use malloc() and free() instead of isc_mem_get() and isc_mem_put()
* because we don't want to require a memory context to be specified
* in order to use a message catalog.
*/
struct isc_msgcat {
unsigned int magic;
#ifdef HAVE_CATGETS
nl_catd catalog;
#endif
};
#define MSGCAT_MAGIC ISC_MAGIC('M', 'C', 'a', 't')
#define VALID_MSGCAT(m) ISC_MAGIC_VALID(m, MSGCAT_MAGIC)
void
isc_msgcat_open(const char *name, isc_msgcat_t **msgcatp) {
isc_msgcat_t *msgcat;
/*
* Open a message catalog.
*/
REQUIRE(name != NULL);
REQUIRE(msgcatp != NULL && *msgcatp == NULL);
msgcat = malloc(sizeof(*msgcat));
if (msgcat == NULL) {
*msgcatp = NULL;
return;
}
#ifdef HAVE_CATGETS
/*
* We don't check if catopen() fails because we don't care.
* If it does fail, then when we call catgets(), it will use
* the default string.
*/
msgcat->catalog = catopen(name, 0);
#endif
msgcat->magic = MSGCAT_MAGIC;
*msgcatp = msgcat;
}
void
isc_msgcat_close(isc_msgcat_t **msgcatp) {
isc_msgcat_t *msgcat;
/*
* Close a message catalog.
*/
REQUIRE(msgcatp != NULL);
msgcat = *msgcatp;
REQUIRE(VALID_MSGCAT(msgcat) || msgcat == NULL);
if (msgcat != NULL) {
#ifdef HAVE_CATGETS
if (msgcat->catalog != (nl_catd)(-1))
(void)catclose(msgcat->catalog);
#endif
msgcat->magic = 0;
free(msgcat);
}
*msgcatp = NULL;
}
const char *
isc_msgcat_get(isc_msgcat_t *msgcat, int set, int message,
const char *default_text)
{
/*
* Get message 'message' from message set 'set' in 'msgcat'. If it
* is not available, use 'default'.
*/
REQUIRE(VALID_MSGCAT(msgcat) || msgcat == NULL);
REQUIRE(set > 0);
REQUIRE(message > 0);
REQUIRE(default_text != NULL);
#ifdef HAVE_CATGETS
if (msgcat == NULL)
return (default_text);
return (catgets(msgcat->catalog, set, message, default_text));
#else
return (default_text);
#endif
}
|
