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  • Committer: Bazaar Package Importer
  • Author(s): Matt Zimmerman
  • Date: 2004-10-11 16:10:27 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20041011161027-icyjbji8ujym633o
Tags: 1:4.2.0a-10ubuntu2
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libisc/assertions.c
 
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/*
 
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 * Copyright (C) 1997-2001  Internet Software Consortium.
 
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 *
 
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 * Permission to use, copy, modify, and distribute this software for any
 
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 * purpose with or without fee is hereby granted, provided that the above
 
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 * copyright notice and this permission notice appear in all copies.
 
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 *
 
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 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
 
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 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
 
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 * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
 
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 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
 
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 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 
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 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 
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 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
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 */
 
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/* $Id: assertions.c,v 1.16 2001/07/16 03:52:05 mayer Exp $ */
 
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#include <config.h>
 
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#include <stdio.h>
 
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#include <stdlib.h>
 
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#include <isc/assertions.h>
 
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#include <isc/msgs.h>
 
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/*
 
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 * Forward.
 
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 */
 
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static void
 
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default_callback(const char *, int, isc_assertiontype_t, const char *);
 
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/*
 
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 * Public.
 
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 */
 
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LIBISC_EXTERNAL_DATA isc_assertioncallback_t isc_assertion_failed =
 
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                                             default_callback;
 
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void
 
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isc_assertion_setcallback(isc_assertioncallback_t cb) {
 
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        if (cb == NULL)
 
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                isc_assertion_failed = default_callback;
 
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        else
 
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                isc_assertion_failed = cb;
 
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}
 
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const char *
 
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isc_assertion_typetotext(isc_assertiontype_t type) {
 
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        const char *result;
 
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        /*
 
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         * These strings have purposefully not been internationalized
 
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         * because they are considered to essentially be keywords of
 
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         * the ISC development environment.
 
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         */
 
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        switch (type) {
 
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        case isc_assertiontype_require:
 
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                result = "REQUIRE";
 
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                break;
 
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        case isc_assertiontype_ensure:
 
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                result = "ENSURE";
 
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                break;
 
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        case isc_assertiontype_insist:
 
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                result = "INSIST";
 
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                break;
 
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        case isc_assertiontype_invariant:
 
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                result = "INVARIANT";
 
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                break;
 
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        default:
 
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                result = NULL;
 
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        }
 
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        return (result);
 
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}
 
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/*
 
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 * Private.
 
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 */
 
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static void
 
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default_callback(const char *file, int line, isc_assertiontype_t type,
 
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                 const char *cond)
 
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{
 
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        fprintf(stderr, "%s:%d: %s(%s) %s.\n",
 
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                file, line, isc_assertion_typetotext(type), cond,
 
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                isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
 
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                               ISC_MSG_FAILED, "failed"));
 
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        fflush(stderr);
 
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        abort();
 
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        /* NOTREACHED */
 
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}