text: /*
   * Copyright (C) 1997-2001  Internet Software Consortium.
   *
   * Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM
   * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
   * INTERNET SOFTWARE CONSORTIUM 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.
   */
  
  /*
   * $Id$
   */
  
  #ifndef ISC_ASSERTIONS_H
  #define ISC_ASSERTIONS_H 1
  
  #include <isc/lang.h>
  #include <isc/platform.h>
  
  ISC_LANG_BEGINDECLS
  
  typedef enum {
  	isc_assertiontype_require,
  	isc_assertiontype_ensure,
  	isc_assertiontype_insist,
  	isc_assertiontype_invariant
  } isc_assertiontype_t;
  
  typedef void (*isc_assertioncallback_t)(const char *, int, isc_assertiontype_t,
  					const char *);
  
  LIBISC_EXTERNAL_DATA extern isc_assertioncallback_t isc_assertion_failed;
  
  void
  isc_assertion_setcallback(isc_assertioncallback_t);
  
  const char *
  isc_assertion_typetotext(isc_assertiontype_t type);
  
  #ifdef ISC_CHECK_ALL
  #define ISC_CHECK_REQUIRE		1
  #define ISC_CHECK_ENSURE		1
  #define ISC_CHECK_INSIST		1
  #define ISC_CHECK_INVARIANT		1
  #endif
  
  #ifdef ISC_CHECK_NONE
  #define ISC_CHECK_REQUIRE		0
  #define ISC_CHECK_ENSURE		0
  #define ISC_CHECK_INSIST		0
  #define ISC_CHECK_INVARIANT		0
  #endif
  
  #ifndef ISC_CHECK_REQUIRE
  #define ISC_CHECK_REQUIRE		1
  #endif
  
  #ifndef ISC_CHECK_ENSURE
  #define ISC_CHECK_ENSURE		1
  #endif
  
  #ifndef ISC_CHECK_INSIST
  #define ISC_CHECK_INSIST		1
  #endif
  
  #ifndef ISC_CHECK_INVARIANT
  #define ISC_CHECK_INVARIANT		1
  #endif
  
  #if ISC_CHECK_REQUIRE != 0
  #define ISC_REQUIRE(cond) \
  	((void) ((cond) || \
  		 ((isc_assertion_failed)(__FILE__, __LINE__, \
  					 isc_assertiontype_require, \
  					 #cond), 0)))
  #else
  #define ISC_REQUIRE(cond)	((void) 0)
  #endif /* ISC_CHECK_REQUIRE */
  
  #if ISC_CHECK_ENSURE != 0
  #define ISC_ENSURE(cond) \
  	((void) ((cond) || \
  		 ((isc_assertion_failed)(__FILE__, __LINE__, \
  					 isc_assertiontype_ensure, \
  					 #cond), 0)))
  #else
  #define ISC_ENSURE(cond)	((void) 0)
  #endif /* ISC_CHECK_ENSURE */
  
  #if ISC_CHECK_INSIST != 0
  #define ISC_INSIST(cond) \
  	((void) ((cond) || \
  		 ((isc_assertion_failed)(__FILE__, __LINE__, \
  					 isc_assertiontype_insist, \
  					 #cond), 0)))
  #else
  #define ISC_INSIST(cond)	((void) 0)
  #endif /* ISC_CHECK_INSIST */
  
  #if ISC_CHECK_INVARIANT != 0
  #define ISC_INVARIANT(cond) \
  	((void) ((cond) || \
  		 ((isc_assertion_failed)(__FILE__, __LINE__, \
  					 isc_assertiontype_invariant, \
  					 #cond), 0)))
  #else
  #define ISC_INVARIANT(cond)	((void) 0)
  #endif /* ISC_CHECK_INVARIANT */
  
  ISC_LANG_ENDDECLS
  
  #endif /* ISC_ASSERTIONS_H */
  