dist/ntp/include/isc/assertions.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 1997-2001  Internet Software Consortium.
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
  11  * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
  12  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
  13  * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
  14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
  15  * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
  16  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
  17  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /*
  21  * Id: assertions.h,v 1.17 2001/07/12 05:58:21 mayer Exp
  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 typedef enum {
  33         isc_assertiontype_require,
  34         isc_assertiontype_ensure,
  35         isc_assertiontype_insist,
  36         isc_assertiontype_invariant
  37 } isc_assertiontype_t;
  38
  39 typedef void (*isc_assertioncallback_t)(const char *, int, isc_assertiontype_t,
  40                                         const char *);
  41
  42 LIBISC_EXTERNAL_DATA extern isc_assertioncallback_t isc_assertion_failed;
  43
  44 void
  45 isc_assertion_setcallback(isc_assertioncallback_t);
  46
  47 const char *
  48 isc_assertion_typetotext(isc_assertiontype_t type);
  49
  50 #ifdef ISC_CHECK_ALL
  51 #define ISC_CHECK_REQUIRE               1
  52 #define ISC_CHECK_ENSURE                1
  53 #define ISC_CHECK_INSIST                1
  54 #define ISC_CHECK_INVARIANT             1
  55 #endif
  56
  57 #ifdef ISC_CHECK_NONE
  58 #define ISC_CHECK_REQUIRE               0
  59 #define ISC_CHECK_ENSURE                0
  60 #define ISC_CHECK_INSIST                0
  61 #define ISC_CHECK_INVARIANT             0
  62 #endif
  63
  64 #ifndef ISC_CHECK_REQUIRE
  65 #define ISC_CHECK_REQUIRE               1
  66 #endif
  67
  68 #ifndef ISC_CHECK_ENSURE
  69 #define ISC_CHECK_ENSURE                1
  70 #endif
  71
  72 #ifndef ISC_CHECK_INSIST
  73 #define ISC_CHECK_INSIST                1
  74 #endif
  75
  76 #ifndef ISC_CHECK_INVARIANT
  77 #define ISC_CHECK_INVARIANT             1
  78 #endif
  79
  80 #if ISC_CHECK_REQUIRE != 0
  81 #define ISC_REQUIRE(cond) \
  82         ((void) ((cond) || \
  83                  ((isc_assertion_failed)(__FILE__, __LINE__, \
  84                                          isc_assertiontype_require, \
  85                                          #cond), 0)))
  86 #else
  87 #define ISC_REQUIRE(cond)       ((void) 0)
  88 #endif /* ISC_CHECK_REQUIRE */
  89
  90 #if ISC_CHECK_ENSURE != 0
  91 #define ISC_ENSURE(cond) \
  92         ((void) ((cond) || \
  93                  ((isc_assertion_failed)(__FILE__, __LINE__, \
  94                                          isc_assertiontype_ensure, \
  95                                          #cond), 0)))
  96 #else
  97 #define ISC_ENSURE(cond)        ((void) 0)
  98 #endif /* ISC_CHECK_ENSURE */
  99
 100 #if ISC_CHECK_INSIST != 0
 101 #define ISC_INSIST(cond) \
 102         ((void) ((cond) || \
 103                  ((isc_assertion_failed)(__FILE__, __LINE__, \
 104                                          isc_assertiontype_insist, \
 105                                          #cond), 0)))
 106 #else
 107 #define ISC_INSIST(cond)        ((void) 0)
 108 #endif /* ISC_CHECK_INSIST */
 109
 110 #if ISC_CHECK_INVARIANT != 0
 111 #define ISC_INVARIANT(cond) \
 112         ((void) ((cond) || \
 113                  ((isc_assertion_failed)(__FILE__, __LINE__, \
 114                                          isc_assertiontype_invariant, \
 115                                          #cond), 0)))
 116 #else
 117 #define ISC_INVARIANT(cond)     ((void) 0)
 118 #endif /* ISC_CHECK_INVARIANT */
 119
 120 ISC_LANG_ENDDECLS
 121
 122 #endif /* ISC_ASSERTIONS_H */