contrib/bind-9.2.4rc7/lib/bind/include/isc/assertions.h

   1 /*
   2  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (c) 1997-1999 by Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and 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
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  15  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /*
  19  * $Id: assertions.h,v 1.1.2.1 2004/03/09 09:17:25 marka Exp $
  20  */
  21
  22 #ifndef ASSERTIONS_H
  23 #define ASSERTIONS_H            1
  24
  25 typedef enum {
  26         assert_require, assert_ensure, assert_insist, assert_invariant
  27 } assertion_type;
  28
  29 typedef void (*assertion_failure_callback)(const char *, int, assertion_type,
  30                                            const char *, int);
  31
  32 extern assertion_failure_callback __assertion_failed;
  33 void set_assertion_failure_callback(assertion_failure_callback f);
  34 const char *assertion_type_to_text(assertion_type type);
  35
  36 #ifdef CHECK_ALL
  37 #define CHECK_REQUIRE           1
  38 #define CHECK_ENSURE            1
  39 #define CHECK_INSIST            1
  40 #define CHECK_INVARIANT         1
  41 #endif
  42
  43 #ifdef CHECK_NONE
  44 #define CHECK_REQUIRE           0
  45 #define CHECK_ENSURE            0
  46 #define CHECK_INSIST            0
  47 #define CHECK_INVARIANT         0
  48 #endif
  49
  50 #ifndef CHECK_REQUIRE
  51 #define CHECK_REQUIRE           1
  52 #endif
  53
  54 #ifndef CHECK_ENSURE
  55 #define CHECK_ENSURE            1
  56 #endif
  57
  58 #ifndef CHECK_INSIST
  59 #define CHECK_INSIST            1
  60 #endif
  61
  62 #ifndef CHECK_INVARIANT
  63 #define CHECK_INVARIANT         1
  64 #endif
  65
  66 #if CHECK_REQUIRE != 0
  67 #define REQUIRE(cond) \
  68         ((void) ((cond) || \
  69                  ((__assertion_failed)(__FILE__, __LINE__, assert_require, \
  70                                        #cond, 0), 0)))
  71 #define REQUIRE_ERR(cond) \
  72         ((void) ((cond) || \
  73                  ((__assertion_failed)(__FILE__, __LINE__, assert_require, \
  74                                        #cond, 1), 0)))
  75 #else
  76 #define REQUIRE(cond)           ((void) (cond))
  77 #define REQUIRE_ERR(cond)       ((void) (cond))
  78 #endif /* CHECK_REQUIRE */
  79
  80 #if CHECK_ENSURE != 0
  81 #define ENSURE(cond) \
  82         ((void) ((cond) || \
  83                  ((__assertion_failed)(__FILE__, __LINE__, assert_ensure, \
  84                                        #cond, 0), 0)))
  85 #define ENSURE_ERR(cond) \
  86         ((void) ((cond) || \
  87                  ((__assertion_failed)(__FILE__, __LINE__, assert_ensure, \
  88                                        #cond, 1), 0)))
  89 #else
  90 #define ENSURE(cond)            ((void) (cond))
  91 #define ENSURE_ERR(cond)        ((void) (cond))
  92 #endif /* CHECK_ENSURE */
  93
  94 #if CHECK_INSIST != 0
  95 #define INSIST(cond) \
  96         ((void) ((cond) || \
  97                  ((__assertion_failed)(__FILE__, __LINE__, assert_insist, \
  98                                        #cond, 0), 0)))
  99 #define INSIST_ERR(cond) \
 100         ((void) ((cond) || \
 101                  ((__assertion_failed)(__FILE__, __LINE__, assert_insist, \
 102                                        #cond, 1), 0)))
 103 #else
 104 #define INSIST(cond)            ((void) (cond))
 105 #define INSIST_ERR(cond)        ((void) (cond))
 106 #endif /* CHECK_INSIST */
 107
 108 #if CHECK_INVARIANT != 0
 109 #define INVARIANT(cond) \
 110         ((void) ((cond) || \
 111                  ((__assertion_failed)(__FILE__, __LINE__, assert_invariant, \
 112                                        #cond, 0), 0)))
 113 #define INVARIANT_ERR(cond) \
 114         ((void) ((cond) || \
 115                  ((__assertion_failed)(__FILE__, __LINE__, assert_invariant, \
 116                                        #cond, 1), 0)))
 117 #else
 118 #define INVARIANT(cond)         ((void) (cond))
 119 #define INVARIANT_ERR(cond)     ((void) (cond))
 120 #endif /* CHECK_INVARIANT */
 121
 122 #endif /* ASSERTIONS_H */