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