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

   1 /*
   2  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1997-2001  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 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 1.17.2.1 2004/03/09 06:11:54 marka Exp $
  20  */
  21
  22 #ifndef ISC_ASSERTIONS_H
  23 #define ISC_ASSERTIONS_H 1
  24
  25 #include <isc/lang.h>
  26 #include <isc/platform.h>
  27
  28 ISC_LANG_BEGINDECLS
  29
  30 typedef enum {
  31         isc_assertiontype_require,
  32         isc_assertiontype_ensure,
  33         isc_assertiontype_insist,
  34         isc_assertiontype_invariant
  35 } isc_assertiontype_t;
  36
  37 typedef void (*isc_assertioncallback_t)(const char *, int, isc_assertiontype_t,
  38                                         const char *);
  39
  40 LIBISC_EXTERNAL_DATA extern isc_assertioncallback_t isc_assertion_failed;
  41
  42 void
  43 isc_assertion_setcallback(isc_assertioncallback_t);
  44
  45 const char *
  46 isc_assertion_typetotext(isc_assertiontype_t type);
  47
  48 #ifdef ISC_CHECK_ALL
  49 #define ISC_CHECK_REQUIRE               1
  50 #define ISC_CHECK_ENSURE                1
  51 #define ISC_CHECK_INSIST                1
  52 #define ISC_CHECK_INVARIANT             1
  53 #endif
  54
  55 #ifdef ISC_CHECK_NONE
  56 #define ISC_CHECK_REQUIRE               0
  57 #define ISC_CHECK_ENSURE                0
  58 #define ISC_CHECK_INSIST                0
  59 #define ISC_CHECK_INVARIANT             0
  60 #endif
  61
  62 #ifndef ISC_CHECK_REQUIRE
  63 #define ISC_CHECK_REQUIRE               1
  64 #endif
  65
  66 #ifndef ISC_CHECK_ENSURE
  67 #define ISC_CHECK_ENSURE                1
  68 #endif
  69
  70 #ifndef ISC_CHECK_INSIST
  71 #define ISC_CHECK_INSIST                1
  72 #endif
  73
  74 #ifndef ISC_CHECK_INVARIANT
  75 #define ISC_CHECK_INVARIANT             1
  76 #endif
  77
  78 #if ISC_CHECK_REQUIRE != 0
  79 #define ISC_REQUIRE(cond) \
  80         ((void) ((cond) || \
  81                  ((isc_assertion_failed)(__FILE__, __LINE__, \
  82                                          isc_assertiontype_require, \
  83                                          #cond), 0)))
  84 #else
  85 #define ISC_REQUIRE(cond)       ((void) 0)
  86 #endif /* ISC_CHECK_REQUIRE */
  87
  88 #if ISC_CHECK_ENSURE != 0
  89 #define ISC_ENSURE(cond) \
  90         ((void) ((cond) || \
  91                  ((isc_assertion_failed)(__FILE__, __LINE__, \
  92                                          isc_assertiontype_ensure, \
  93                                          #cond), 0)))
  94 #else
  95 #define ISC_ENSURE(cond)        ((void) 0)
  96 #endif /* ISC_CHECK_ENSURE */
  97
  98 #if ISC_CHECK_INSIST != 0
  99 #define ISC_INSIST(cond) \
 100         ((void) ((cond) || \
 101                  ((isc_assertion_failed)(__FILE__, __LINE__, \
 102                                          isc_assertiontype_insist, \
 103                                          #cond), 0)))
 104 #else
 105 #define ISC_INSIST(cond)        ((void) 0)
 106 #endif /* ISC_CHECK_INSIST */
 107
 108 #if ISC_CHECK_INVARIANT != 0
 109 #define ISC_INVARIANT(cond) \
 110         ((void) ((cond) || \
 111                  ((isc_assertion_failed)(__FILE__, __LINE__, \
 112                                          isc_assertiontype_invariant, \
 113                                          #cond), 0)))
 114 #else
 115 #define ISC_INVARIANT(cond)     ((void) 0)
 116 #endif /* ISC_CHECK_INVARIANT */
 117
 118 ISC_LANG_ENDDECLS
 119
 120 #endif /* ISC_ASSERTIONS_H */