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Annotation of embedaddon/ntp/lib/isc/error.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
                      3:  * Copyright (C) 1998-2001  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: error.c,v 1.21 2007/06/19 23:47:17 tbox Exp $ */
                     19: 
                     20: /*! \file */
                     21: 
                     22: #include <config.h>
                     23: 
                     24: #include <stdio.h>
                     25: #include <stdlib.h>
                     26: 
                     27: #include <isc/error.h>
                     28: #include <isc/msgs.h>
                     29: 
                     30: /*% Default unexpected callback. */
                     31: static void
                     32: default_unexpected_callback(const char *, int, const char *, va_list)
                     33:      ISC_FORMAT_PRINTF(3, 0);
                     34: 
                     35: /*% Default fatal callback. */
                     36: static void
                     37: default_fatal_callback(const char *, int, const char *, va_list)
                     38:      ISC_FORMAT_PRINTF(3, 0);
                     39: 
                     40: /*% unexpected_callback */
                     41: static isc_errorcallback_t unexpected_callback = default_unexpected_callback;
                     42: static isc_errorcallback_t fatal_callback = default_fatal_callback;
                     43: 
                     44: void
                     45: isc_error_setunexpected(isc_errorcallback_t cb) {
                     46:        if (cb == NULL)
                     47:                unexpected_callback = default_unexpected_callback;
                     48:        else
                     49:                unexpected_callback = cb;
                     50: }
                     51: 
                     52: void
                     53: isc_error_setfatal(isc_errorcallback_t cb) {
                     54:        if (cb == NULL)
                     55:                fatal_callback = default_fatal_callback;
                     56:        else
                     57:                fatal_callback = cb;
                     58: }
                     59: 
                     60: void
                     61: isc_error_unexpected(const char *file, int line, const char *format, ...) {
                     62:        va_list args;
                     63: 
                     64:        va_start(args, format);
                     65:        (unexpected_callback)(file, line, format, args);
                     66:        va_end(args);
                     67: }
                     68: 
                     69: void
                     70: isc_error_fatal(const char *file, int line, const char *format, ...) {
                     71:        va_list args;
                     72: 
                     73:        va_start(args, format);
                     74:        (fatal_callback)(file, line, format, args);
                     75:        va_end(args);
                     76:        abort();
                     77: }
                     78: 
                     79: void
                     80: isc_error_runtimecheck(const char *file, int line, const char *expression) {
                     81:        isc_error_fatal(file, line, "RUNTIME_CHECK(%s) %s", expression,
                     82:                        isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
                     83:                                       ISC_MSG_FAILED, "failed"));
                     84: }
                     85: 
                     86: static void
                     87: default_unexpected_callback(const char *file, int line, const char *format,
                     88:                            va_list args)
                     89: {
                     90:        fprintf(stderr, "%s:%d: ", file, line);
                     91:        vfprintf(stderr, format, args);
                     92:        fprintf(stderr, "\n");
                     93:        fflush(stderr);
                     94: }
                     95: 
                     96: static void
                     97: default_fatal_callback(const char *file, int line, const char *format,
                     98:                       va_list args)
                     99: {
                    100:        fprintf(stderr, "%s:%d: %s: ", file, line,
                    101:                isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
                    102:                               ISC_MSG_FATALERROR, "fatal error"));
                    103:        vfprintf(stderr, format, args);
                    104:        fprintf(stderr, "\n");
                    105:        fflush(stderr);
                    106: }