contrib/bind-9.2.4rc7/lib/dns/callbacks.c

   1 /*
   2  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1999-2001  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and 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: callbacks.c,v 1.12.2.1 2004/03/09 06:11:00 marka Exp $ */
  19
  20 #include <config.h>
  21
  22 #include <isc/util.h>
  23
  24 #include <dns/callbacks.h>
  25 #include <dns/log.h>
  26
  27 static void
  28 stdio_error_warn_callback(dns_rdatacallbacks_t *, const char *, ...)
  29      ISC_FORMAT_PRINTF(2, 3);
  30
  31 static void
  32 isclog_error_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...)
  33      ISC_FORMAT_PRINTF(2, 3);
  34
  35 static void
  36 isclog_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...)
  37      ISC_FORMAT_PRINTF(2, 3);
  38
  39 /*
  40  * Private
  41  */
  42
  43 static void
  44 stdio_error_warn_callback(dns_rdatacallbacks_t *callbacks,
  45                           const char *fmt, ...)
  46 {
  47         va_list ap;
  48
  49         UNUSED(callbacks);
  50
  51         va_start(ap, fmt);
  52         vfprintf(stderr, fmt, ap);
  53         va_end(ap);
  54         fprintf(stderr, "\n");
  55 }
  56
  57 static void
  58 isclog_error_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...) {
  59         va_list ap;
  60
  61         UNUSED(callbacks);
  62
  63         va_start(ap, fmt);
  64         isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL,
  65                        DNS_LOGMODULE_MASTER, /* XXX */
  66                        ISC_LOG_ERROR, fmt, ap);
  67         va_end(ap);
  68 }
  69
  70 static void
  71 isclog_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...) {
  72         va_list ap;
  73
  74         UNUSED(callbacks);
  75
  76         va_start(ap, fmt);
  77
  78         isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL,
  79                        DNS_LOGMODULE_MASTER, /* XXX */
  80                        ISC_LOG_WARNING, fmt, ap);
  81         va_end(ap);
  82 }
  83
  84 static void
  85 dns_rdatacallbacks_initcommon(dns_rdatacallbacks_t *callbacks) {
  86         REQUIRE(callbacks != NULL);
  87
  88         callbacks->add = NULL;
  89         callbacks->add_private = NULL;
  90         callbacks->error_private = NULL;
  91         callbacks->warn_private = NULL;
  92 }
  93
  94 /*
  95  * Public.
  96  */
  97
  98 void
  99 dns_rdatacallbacks_init(dns_rdatacallbacks_t *callbacks) {
 100         dns_rdatacallbacks_initcommon(callbacks);
 101         callbacks->error = isclog_error_callback;
 102         callbacks->warn = isclog_warn_callback;
 103 }
 104
 105 void
 106 dns_rdatacallbacks_init_stdio(dns_rdatacallbacks_t *callbacks) {
 107         dns_rdatacallbacks_initcommon(callbacks);
 108         callbacks->error = stdio_error_warn_callback;
 109         callbacks->warn = stdio_error_warn_callback;
 110 }
 111