00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
143 lines
3.5 KiB
C
143 lines
3.5 KiB
C
/* $NetBSD: assertions.c,v 1.6 2014/12/10 04:37:59 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 2004, 2005, 2007-2009 Internet Systems Consortium, Inc. ("ISC")
|
|
* Copyright (C) 1997-2001 Internet Software Consortium.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
|
|
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
|
|
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
/* Id: assertions.c,v 1.26 2009/09/29 15:06:07 fdupont Exp */
|
|
|
|
/*! \file */
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <isc/assertions.h>
|
|
#include <isc/backtrace.h>
|
|
#include <isc/msgs.h>
|
|
#include <isc/result.h>
|
|
|
|
/*
|
|
* The maximum number of stack frames to dump on assertion failure.
|
|
*/
|
|
#ifndef BACKTRACE_MAXFRAME
|
|
#define BACKTRACE_MAXFRAME 128
|
|
#endif
|
|
|
|
/*%
|
|
* Forward.
|
|
*/
|
|
static void
|
|
default_callback(const char *, int, isc_assertiontype_t, const char *);
|
|
|
|
static isc_assertioncallback_t isc_assertion_failed_cb = default_callback;
|
|
|
|
/*%
|
|
* Public.
|
|
*/
|
|
|
|
/*% assertion failed handler */
|
|
/* coverity[+kill] */
|
|
void
|
|
isc_assertion_failed(const char *file, int line, isc_assertiontype_t type,
|
|
const char *cond)
|
|
{
|
|
isc_assertion_failed_cb(file, line, type, cond);
|
|
abort();
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
/*% Set callback. */
|
|
void
|
|
isc_assertion_setcallback(isc_assertioncallback_t cb) {
|
|
if (cb == NULL)
|
|
isc_assertion_failed_cb = default_callback;
|
|
else
|
|
isc_assertion_failed_cb = cb;
|
|
}
|
|
|
|
/*% Type to Text */
|
|
const char *
|
|
isc_assertion_typetotext(isc_assertiontype_t type) {
|
|
const char *result;
|
|
|
|
/*
|
|
* These strings have purposefully not been internationalized
|
|
* because they are considered to essentially be keywords of
|
|
* the ISC development environment.
|
|
*/
|
|
switch (type) {
|
|
case isc_assertiontype_require:
|
|
result = "REQUIRE";
|
|
break;
|
|
case isc_assertiontype_ensure:
|
|
result = "ENSURE";
|
|
break;
|
|
case isc_assertiontype_insist:
|
|
result = "INSIST";
|
|
break;
|
|
case isc_assertiontype_invariant:
|
|
result = "INVARIANT";
|
|
break;
|
|
default:
|
|
result = NULL;
|
|
}
|
|
return (result);
|
|
}
|
|
|
|
/*
|
|
* Private.
|
|
*/
|
|
|
|
/* coverity[+kill] */
|
|
static void
|
|
default_callback(const char *file, int line, isc_assertiontype_t type,
|
|
const char *cond)
|
|
{
|
|
void *tracebuf[BACKTRACE_MAXFRAME];
|
|
int i, nframes;
|
|
const char *logsuffix = ".";
|
|
const char *fname;
|
|
isc_result_t result;
|
|
|
|
result = isc_backtrace_gettrace(tracebuf, BACKTRACE_MAXFRAME, &nframes);
|
|
if (result == ISC_R_SUCCESS && nframes > 0)
|
|
logsuffix = ", back trace";
|
|
|
|
fprintf(stderr, "%s:%d: %s(%s) %s%s\n",
|
|
file, line, isc_assertion_typetotext(type), cond,
|
|
isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
|
|
ISC_MSG_FAILED, "failed"), logsuffix);
|
|
if (result == ISC_R_SUCCESS) {
|
|
for (i = 0; i < nframes; i++) {
|
|
unsigned long offset;
|
|
|
|
fname = NULL;
|
|
result = isc_backtrace_getsymbol(tracebuf[i], &fname,
|
|
&offset);
|
|
if (result == ISC_R_SUCCESS) {
|
|
fprintf(stderr, "#%d %p in %s()+0x%lx\n", i,
|
|
tracebuf[i], fname, offset);
|
|
} else {
|
|
fprintf(stderr, "#%d %p in ??\n", i,
|
|
tracebuf[i]);
|
|
}
|
|
}
|
|
}
|
|
fflush(stderr);
|
|
}
|