xref: /freebsd/contrib/ntp/libntp/lib/isc/lib.c (revision a466cc55373fc3cf86837f09da729535b57e69a1)
1 /*
2  * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
3  * Copyright (C) 1999-2001  Internet Software Consortium.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15  * PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 /* $Id: lib.c,v 1.16 2009/09/02 23:48:02 tbox Exp $ */
19 
20 /*! \file */
21 
22 #include <config.h>
23 
24 #include <stdio.h>
25 #include <stdlib.h>
26 
27 #include <isc/app.h>
28 #include <isc/lib.h>
29 #include <isc/mem.h>
30 #include <isc/msgs.h>
31 #include <isc/once.h>
32 #include <isc/socket.h>
33 #include <isc/task.h>
34 #include <isc/timer.h>
35 #include <isc/util.h>
36 
37 /***
38  *** Globals
39  ***/
40 
41 LIBISC_EXTERNAL_DATA isc_msgcat_t *		isc_msgcat = NULL;
42 
43 
44 /***
45  *** Private
46  ***/
47 
48 static isc_once_t		msgcat_once = ISC_ONCE_INIT;
49 
50 /***
51  *** Functions
52  ***/
53 
54 static void
open_msgcat(void)55 open_msgcat(void) {
56 	isc_msgcat_open("libisc.cat", &isc_msgcat);
57 }
58 
59 void
isc_lib_initmsgcat(void)60 isc_lib_initmsgcat(void) {
61 	isc_result_t result;
62 
63 	/*!
64 	 * Initialize the ISC library's message catalog, isc_msgcat, if it
65 	 * has not already been initialized.
66 	 */
67 
68 	result = isc_once_do(&msgcat_once, open_msgcat);
69 	if (result != ISC_R_SUCCESS) {
70 		/*
71 		 * Normally we'd use RUNTIME_CHECK() or FATAL_ERROR(), but
72 		 * we can't do that here, since they might call us!
73 		 * (Note that the catalog might be open anyway, so we might
74 		 * as well try to  provide an internationalized message.)
75 		 */
76 		fprintf(stderr, "%s:%d: %s: isc_once_do() %s.\n",
77 			__FILE__, __LINE__,
78 			isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
79 				       ISC_MSG_FATALERROR, "fatal error"),
80 			isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
81 				       ISC_MSG_FAILED, "failed"));
82 		abort();
83 	}
84 }
85 
86 #ifndef BIND9
87 static isc_once_t		register_once = ISC_ONCE_INIT;
88 
89 static void
do_register(void)90 do_register(void) {
91 	RUNTIME_CHECK(isc__mem_register() == ISC_R_SUCCESS);
92 	RUNTIME_CHECK(isc__app_register() == ISC_R_SUCCESS);
93 	RUNTIME_CHECK(isc__task_register() == ISC_R_SUCCESS);
94 	RUNTIME_CHECK(isc__socket_register() == ISC_R_SUCCESS);
95 	RUNTIME_CHECK(isc__timer_register() == ISC_R_SUCCESS);
96 }
97 
98 void
isc_lib_register()99 isc_lib_register() {
100 	RUNTIME_CHECK(isc_once_do(&register_once, do_register)
101 		      == ISC_R_SUCCESS);
102 }
103 #endif
104