external/bsd/bind/dist/lib/dns/callbacks.c

   1 /*      $NetBSD: callbacks.c,v 1.5 2014/12/10 04:37:58 christos Exp $   */
   2
   3 /*
   4  * Copyright (C) 2004, 2005, 2007, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1999-2001  Internet Software Consortium.
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /* Id: callbacks.c,v 1.19.40.1 2012/02/07 00:44:13 each Exp  */
  21
  22 /*! \file */
  23
  24 #include <config.h>
  25
  26 #include <isc/util.h>
  27
  28 #include <dns/callbacks.h>
  29 #include <dns/log.h>
  30
  31 static void
  32 stdio_error_warn_callback(dns_rdatacallbacks_t *, const char *, ...)
  33      ISC_FORMAT_PRINTF(2, 3);
  34
  35 static void
  36 isclog_error_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...)
  37      ISC_FORMAT_PRINTF(2, 3);
  38
  39 static void
  40 isclog_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...)
  41      ISC_FORMAT_PRINTF(2, 3);
  42
  43 /*
  44  * Private
  45  */
  46
  47 static void
  48 stdio_error_warn_callback(dns_rdatacallbacks_t *callbacks,
  49                           const char *fmt, ...)
  50 {
  51         va_list ap;
  52
  53         UNUSED(callbacks);
  54
  55         va_start(ap, fmt);
  56         vfprintf(stderr, fmt, ap);
  57         va_end(ap);
  58         fprintf(stderr, "\n");
  59 }
  60
  61 static void
  62 isclog_error_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...) {
  63         va_list ap;
  64
  65         UNUSED(callbacks);
  66
  67         va_start(ap, fmt);
  68         isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL,
  69                        DNS_LOGMODULE_MASTER, /* XXX */
  70                        ISC_LOG_ERROR, fmt, ap);
  71         va_end(ap);
  72 }
  73
  74 static void
  75 isclog_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...) {
  76         va_list ap;
  77
  78         UNUSED(callbacks);
  79
  80         va_start(ap, fmt);
  81
  82         isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL,
  83                        DNS_LOGMODULE_MASTER, /* XXX */
  84                        ISC_LOG_WARNING, fmt, ap);
  85         va_end(ap);
  86 }
  87
  88 static void
  89 dns_rdatacallbacks_initcommon(dns_rdatacallbacks_t *callbacks) {
  90         REQUIRE(callbacks != NULL);
  91
  92         callbacks->magic = DNS_CALLBACK_MAGIC;
  93         callbacks->add = NULL;
  94         callbacks->rawdata = NULL;
  95         callbacks->zone = NULL;
  96         callbacks->add_private = NULL;
  97         callbacks->error_private = NULL;
  98         callbacks->warn_private = NULL;
  99 }
 100
 101 /*
 102  * Public.
 103  */
 104
 105 void
 106 dns_rdatacallbacks_init(dns_rdatacallbacks_t *callbacks) {
 107         dns_rdatacallbacks_initcommon(callbacks);
 108         callbacks->error = isclog_error_callback;
 109         callbacks->warn = isclog_warn_callback;
 110 }
 111
 112 void
 113 dns_rdatacallbacks_init_stdio(dns_rdatacallbacks_t *callbacks) {
 114         dns_rdatacallbacks_initcommon(callbacks);
 115         callbacks->error = stdio_error_warn_callback;
 116         callbacks->warn = stdio_error_warn_callback;
 117 }
 118