contrib/bind-9.5.2/lib/isc/include/isc/assertions.h

   1 /*
   2  * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1997-2001  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 /*
  19  * $Id: assertions.h,v 1.24.128.2 2008/10/15 23:46:53 tbox Exp $
  20  */
  21 /*! \file isc/assertions.h
  22  */
  23
  24 #ifndef ISC_ASSERTIONS_H
  25 #define ISC_ASSERTIONS_H 1
  26
  27 #include <isc/lang.h>
  28 #include <isc/platform.h>
  29
  30 ISC_LANG_BEGINDECLS
  31
  32 /*% isc assertion type */
  33 typedef enum {
  34         isc_assertiontype_require,
  35         isc_assertiontype_ensure,
  36         isc_assertiontype_insist,
  37         isc_assertiontype_invariant
  38 } isc_assertiontype_t;
  39
  40 typedef void (*isc_assertioncallback_t)(const char *, int, isc_assertiontype_t,
  41                                         const char *);
  42
  43 /* coverity[+kill] */
  44 LIBISC_EXTERNAL_DATA extern isc_assertioncallback_t isc_assertion_failed;
  45
  46 void
  47 isc_assertion_setcallback(isc_assertioncallback_t);
  48
  49 const char *
  50 isc_assertion_typetotext(isc_assertiontype_t type);
  51
  52 #if defined(ISC_CHECK_ALL) || defined(__COVERITY__)
  53 #define ISC_CHECK_REQUIRE               1
  54 #define ISC_CHECK_ENSURE                1
  55 #define ISC_CHECK_INSIST                1
  56 #define ISC_CHECK_INVARIANT             1
  57 #endif
  58
  59 #if defined(ISC_CHECK_NONE) && !defined(__COVERITY__)
  60 #define ISC_CHECK_REQUIRE               0
  61 #define ISC_CHECK_ENSURE                0
  62 #define ISC_CHECK_INSIST                0
  63 #define ISC_CHECK_INVARIANT             0
  64 #endif
  65
  66 #ifndef ISC_CHECK_REQUIRE
  67 #define ISC_CHECK_REQUIRE               1
  68 #endif
  69
  70 #ifndef ISC_CHECK_ENSURE
  71 #define ISC_CHECK_ENSURE                1
  72 #endif
  73
  74 #ifndef ISC_CHECK_INSIST
  75 #define ISC_CHECK_INSIST                1
  76 #endif
  77
  78 #ifndef ISC_CHECK_INVARIANT
  79 #define ISC_CHECK_INVARIANT             1
  80 #endif
  81
  82 #if ISC_CHECK_REQUIRE != 0
  83 #define ISC_REQUIRE(cond) \
  84         ((void) ((cond) || \
  85                  ((isc_assertion_failed)(__FILE__, __LINE__, \
  86                                          isc_assertiontype_require, \
  87                                          #cond), 0)))
  88 #else
  89 #define ISC_REQUIRE(cond)       ((void) 0)
  90 #endif /* ISC_CHECK_REQUIRE */
  91
  92 #if ISC_CHECK_ENSURE != 0
  93 #define ISC_ENSURE(cond) \
  94         ((void) ((cond) || \
  95                  ((isc_assertion_failed)(__FILE__, __LINE__, \
  96                                          isc_assertiontype_ensure, \
  97                                          #cond), 0)))
  98 #else
  99 #define ISC_ENSURE(cond)        ((void) 0)
 100 #endif /* ISC_CHECK_ENSURE */
 101
 102 #if ISC_CHECK_INSIST != 0
 103 #define ISC_INSIST(cond) \
 104         ((void) ((cond) || \
 105                  ((isc_assertion_failed)(__FILE__, __LINE__, \
 106                                          isc_assertiontype_insist, \
 107                                          #cond), 0)))
 108 #else
 109 #define ISC_INSIST(cond)        ((void) 0)
 110 #endif /* ISC_CHECK_INSIST */
 111
 112 #if ISC_CHECK_INVARIANT != 0
 113 #define ISC_INVARIANT(cond) \
 114         ((void) ((cond) || \
 115                  ((isc_assertion_failed)(__FILE__, __LINE__, \
 116                                          isc_assertiontype_invariant, \
 117                                          #cond), 0)))
 118 #else
 119 #define ISC_INVARIANT(cond)     ((void) 0)
 120 #endif /* ISC_CHECK_INVARIANT */
 121
 122 ISC_LANG_ENDDECLS
 123
 124 #endif /* ISC_ASSERTIONS_H */