EXTERNAL_HEADERS/corecrypto/cc_macros.h

   1 /*
   2  *  cc_macros.h
   3  *  corecrypto
   4  *
   5  *  Created on 01/11/2012
   6  *
   7  *  Copyright (c) 2012,2015 Apple Inc. All rights reserved.
   8  *
   9  */
  10
  11 #ifndef _CORECRYPTO_CC_MACROS_H_
  12 #define _CORECRYPTO_CC_MACROS_H_
  13
  14 #include <corecrypto/cc_config.h>
  15
  16 #ifndef __CC_DEBUG_ASSERT_COMPONENT_NAME_STRING
  17 #define __CC_DEBUG_ASSERT_COMPONENT_NAME_STRING ""
  18 #endif
  19
  20 #ifndef __CC_DEBUG_ASSERT_PRODUCTION_CODE
  21 #define __CC_DEBUG_ASSERT_PRODUCTION_CODE !CORECRYPTO_DEBUG
  22 #endif
  23
  24 #if CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS
  25
  26 #if !CC_KERNEL
  27     #include <string.h> // for strstr
  28 #endif // !CC_KERNEL
  29
  30 CC_UNUSED static char *cc_strstr(const char *file) {
  31 #if CC_KERNEL
  32     (void) file;
  33 #else
  34     const char cc_char []="corecrypto";
  35     char *p=strstr(file, cc_char);
  36     if (p) return (p+strlen(cc_char)+1);
  37 #endif
  38     return NULL;
  39 }
  40
  41 #define __CC_DEBUG_REQUIRE_MESSAGE(name, assertion, label, message, file, line, value) \
  42 {char *___t = cc_strstr(file); cc_printf( "require: %s, %s%s:%d\n", assertion, (message!=0) ? message : "", ___t==NULL?file:___t, line);}
  43
  44 #endif // CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS
  45
  46 #ifndef cc_require
  47 #if (__CC_DEBUG_ASSERT_PRODUCTION_CODE) || (!CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS)
  48   #if defined(_WIN32) && defined (__clang__)
  49     #define cc_require(assertion, exceptionLabel) \
  50        do { \
  51            if (!(assertion) ) { \
  52               goto exceptionLabel; \
  53            } \
  54         } while ( 0 )
  55   #else
  56     #define cc_require(assertion, exceptionLabel) \
  57         do { \
  58             if ( __builtin_expect(!(assertion), 0) ) { \
  59                 goto exceptionLabel; \
  60             } \
  61         } while ( 0 )
  62  #endif
  63 #else
  64     #define cc_require(assertion, exceptionLabel) \
  65         do { \
  66             if ( __builtin_expect(!(assertion), 0) ) { \
  67                 __CC_DEBUG_REQUIRE_MESSAGE(__CC_DEBUG_ASSERT_COMPONENT_NAME_STRING, \
  68                     #assertion, #exceptionLabel, 0, __FILE__, __LINE__,  0); \
  69                 goto exceptionLabel; \
  70             } \
  71         } while ( 0 )
  72 #endif
  73 #endif
  74
  75 #ifndef cc_require_action
  76 #if __CC_DEBUG_ASSERT_PRODUCTION_CODE || (!CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS)
  77   #if defined(_WIN32) && defined(__clang__)
  78     #define cc_require_action(assertion, exceptionLabel, action)                \
  79         do                                                                      \
  80         {                                                                       \
  81             if (!(assertion))                                                   \
  82             {                                                                   \
  83                 {                                                               \
  84                     action;                                                     \
  85                 }                                                               \
  86                 goto exceptionLabel;                                            \
  87             }                                                                   \
  88         } while ( 0 )
  89   #else
  90     #define cc_require_action(assertion, exceptionLabel, action)                \
  91         do                                                                      \
  92         {                                                                       \
  93             if ( __builtin_expect(!(assertion), 0) )                            \
  94             {                                                                   \
  95                 {                                                               \
  96                     action;                                                     \
  97                 }                                                               \
  98                 goto exceptionLabel;                                            \
  99             }                                                                   \
 100         } while ( 0 )
 101   #endif
 102 #else
 103     #define cc_require_action(assertion, exceptionLabel, action)                \
 104         do                                                                      \
 105         {                                                                       \
 106             if ( __builtin_expect(!(assertion), 0) )                            \
 107             {                                                                   \
 108                 __CC_DEBUG_REQUIRE_MESSAGE(                                      \
 109                     __CC_DEBUG_ASSERT_COMPONENT_NAME_STRING,                    \
 110                     #assertion, #exceptionLabel, 0,   __FILE__, __LINE__, 0);   \
 111                 {                                                               \
 112                     action;                                                     \
 113                 }                                                               \
 114                 goto exceptionLabel;                                            \
 115             }                                                                   \
 116         } while ( 0 )
 117 #endif
 118 #endif
 119
 120 #endif /* _CORECRYPTO_CC_MACROS_H_ */