contrib/bind-9.5.2/lib/dns/callbacks.c

   1 /*
   2  * Copyright (C) 2004, 2005, 2007  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: callbacks.c,v 1.17 2007/06/19 23:47:16 tbox Exp $ */
  19
  20 /*! \file */
  21
  22 #include <config.h>
  23
  24 #include <isc/util.h>
  25
  26 #include <dns/callbacks.h>
  27 #include <dns/log.h>
  28
  29 static void
  30 stdio_error_warn_callback(dns_rdatacallbacks_t *, const char *, ...)
  31      ISC_FORMAT_PRINTF(2, 3);
  32
  33 static void
  34 isclog_error_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...)
  35      ISC_FORMAT_PRINTF(2, 3);
  36
  37 static void
  38 isclog_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...)
  39      ISC_FORMAT_PRINTF(2, 3);
  40
  41 /*
  42  * Private
  43  */
  44
  45 static void
  46 stdio_error_warn_callback(dns_rdatacallbacks_t *callbacks,
  47                           const char *fmt, ...)
  48 {
  49         va_list ap;
  50
  51         UNUSED(callbacks);
  52
  53         va_start(ap, fmt);
  54         vfprintf(stderr, fmt, ap);
  55         va_end(ap);
  56         fprintf(stderr, "\n");
  57 }
  58
  59 static void
  60 isclog_error_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...) {
  61         va_list ap;
  62
  63         UNUSED(callbacks);
  64
  65         va_start(ap, fmt);
  66         isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL,
  67                        DNS_LOGMODULE_MASTER, /* XXX */
  68                        ISC_LOG_ERROR, fmt, ap);
  69         va_end(ap);
  70 }
  71
  72 static void
  73 isclog_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...) {
  74         va_list ap;
  75
  76         UNUSED(callbacks);
  77
  78         va_start(ap, fmt);
  79
  80         isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL,
  81                        DNS_LOGMODULE_MASTER, /* XXX */
  82                        ISC_LOG_WARNING, fmt, ap);
  83         va_end(ap);
  84 }
  85
  86 static void
  87 dns_rdatacallbacks_initcommon(dns_rdatacallbacks_t *callbacks) {
  88         REQUIRE(callbacks != NULL);
  89
  90         callbacks->add = NULL;
  91         callbacks->add_private = NULL;
  92         callbacks->error_private = NULL;
  93         callbacks->warn_private = NULL;
  94 }
  95
  96 /*
  97  * Public.
  98  */
  99
 100 void
 101 dns_rdatacallbacks_init(dns_rdatacallbacks_t *callbacks) {
 102         dns_rdatacallbacks_initcommon(callbacks);
 103         callbacks->error = isclog_error_callback;
 104         callbacks->warn = isclog_warn_callback;
 105 }
 106
 107 void
 108 dns_rdatacallbacks_init_stdio(dns_rdatacallbacks_t *callbacks) {
 109         dns_rdatacallbacks_initcommon(callbacks);
 110         callbacks->error = stdio_error_warn_callback;
 111         callbacks->warn = stdio_error_warn_callback;
 112 }
 113