MacOS/GetHTTPS.src/ErrorHandling.hpp

   1 #ifdef __cplusplus
   2 extern "C" {
   3 #endif
   4
   5 #ifndef kGenericError
   6         #define kGenericError           -1
   7 #endif
   8
   9 extern char     *gErrorMessage;
  10
  11
  12 void SetErrorMessage(const char *theErrorMessage);
  13 void SetErrorMessageAndAppendLongInt(const char *theErrorMessage,const long theLongInt);
  14 void SetErrorMessageAndCStrAndLongInt(const char *theErrorMessage,const char * theCStr,const long theLongInt);
  15 void SetErrorMessageAndCStr(const char *theErrorMessage,const char * theCStr);
  16 void AppendCStrToErrorMessage(const char *theErrorMessage);
  17 void AppendLongIntToErrorMessage(const long theLongInt);
  18
  19
  20 char *GetErrorMessage(void);
  21 OSErr GetErrorMessageInNewHandle(Handle *inoutHandle);
  22 OSErr GetErrorMessageInExistingHandle(Handle inoutHandle);
  23 OSErr AppendErrorMessageToHandle(Handle inoutHandle);
  24
  25
  26 #ifdef __EXCEPTIONS_ENABLED__
  27         void ThrowErrorMessageException(void);
  28 #endif
  29
  30
  31
  32 //      A bunch of evil macros that would be unnecessary if I were always using C++ !
  33
  34 #define SetErrorMessageAndBailIfNil(theArg,theMessage)                                                          \
  35 {                                                                                                                                                                       \
  36         if (theArg == nil)                                                                                                                              \
  37         {                                                                                                                                                               \
  38                 SetErrorMessage(theMessage);                                                                                            \
  39                 errCode = kGenericError;                                                                                                        \
  40                 goto EXITPOINT;                                                                                                                         \
  41         }                                                                                                                                                               \
  42 }
  43
  44
  45 #define SetErrorMessageAndBail(theMessage)                                                                                      \
  46 {                                                                                                                                                                       \
  47                 SetErrorMessage(theMessage);                                                                                            \
  48                 errCode = kGenericError;                                                                                                        \
  49                 goto EXITPOINT;                                                                                                                         \
  50 }
  51
  52
  53 #define SetErrorMessageAndLongIntAndBail(theMessage,theLongInt)                                         \
  54 {                                                                                                                                                                       \
  55                 SetErrorMessageAndAppendLongInt(theMessage,theLongInt);                                         \
  56                 errCode = kGenericError;                                                                                                        \
  57                 goto EXITPOINT;                                                                                                                         \
  58 }
  59
  60
  61 #define SetErrorMessageAndLongIntAndBailIfError(theErrCode,theMessage,theLongInt)       \
  62 {                                                                                                                                                                       \
  63         if (theErrCode != noErr)                                                                                                                \
  64         {                                                                                                                                                               \
  65                 SetErrorMessageAndAppendLongInt(theMessage,theLongInt);                                         \
  66                 errCode = theErrCode;                                                                                                           \
  67                 goto EXITPOINT;                                                                                                                         \
  68         }                                                                                                                                                               \
  69 }
  70
  71
  72 #define SetErrorMessageCStrLongIntAndBailIfError(theErrCode,theMessage,theCStr,theLongInt)      \
  73 {                                                                                                                                                                       \
  74         if (theErrCode != noErr)                                                                                                                \
  75         {                                                                                                                                                               \
  76                 SetErrorMessageAndCStrAndLongInt(theMessage,theCStr,theLongInt);                        \
  77                 errCode = theErrCode;                                                                                                           \
  78                 goto EXITPOINT;                                                                                                                         \
  79         }                                                                                                                                                               \
  80 }
  81
  82
  83 #define SetErrorMessageAndCStrAndBail(theMessage,theCStr)                                                       \
  84 {                                                                                                                                                                       \
  85         SetErrorMessageAndCStr(theMessage,theCStr);                                                                             \
  86         errCode = kGenericError;                                                                                                                \
  87         goto EXITPOINT;                                                                                                                                 \
  88 }
  89
  90
  91 #define SetErrorMessageAndBailIfError(theErrCode,theMessage)                                            \
  92 {                                                                                                                                                                       \
  93         if (theErrCode != noErr)                                                                                                                \
  94         {                                                                                                                                                               \
  95                 SetErrorMessage(theMessage);                                                                                            \
  96                 errCode = theErrCode;                                                                                                           \
  97                 goto EXITPOINT;                                                                                                                         \
  98         }                                                                                                                                                               \
  99 }
 100
 101
 102 #define SetErrorMessageAndLongIntAndBailIfNil(theArg,theMessage,theLongInt)                     \
 103 {                                                                                                                                                                       \
 104         if (theArg == nil)                                                                                                                              \
 105         {                                                                                                                                                               \
 106                 SetErrorMessageAndAppendLongInt(theMessage,theLongInt);                                         \
 107                 errCode = kGenericError;                                                                                                        \
 108                 goto EXITPOINT;                                                                                                                         \
 109         }                                                                                                                                                               \
 110 }
 111
 112
 113 #define BailIfError(theErrCode)                                                                                                         \
 114 {                                                                                                                                                                       \
 115         if ((theErrCode) != noErr)                                                                                                              \
 116         {                                                                                                                                                               \
 117                 goto EXITPOINT;                                                                                                                         \
 118         }                                                                                                                                                               \
 119 }
 120
 121
 122 #define SetErrCodeAndBail(theErrCode)                                                                                           \
 123 {                                                                                                                                                                       \
 124         errCode = theErrCode;                                                                                                                   \
 125                                                                                                                                                                         \
 126         goto EXITPOINT;                                                                                                                                 \
 127 }
 128
 129
 130 #define SetErrorCodeAndMessageAndBail(theErrCode,theMessage)                                            \
 131 {                                                                                                                                                                       \
 132         SetErrorMessage(theMessage);                                                                                                    \
 133         errCode = theErrCode;                                                                                                                   \
 134         goto EXITPOINT;                                                                                                                                 \
 135 }
 136
 137
 138 #define BailNow()                                                                                                                                       \
 139 {                                                                                                                                                                       \
 140         errCode = kGenericError;                                                                                                                \
 141         goto EXITPOINT;                                                                                                                                 \
 142 }
 143
 144
 145 #ifdef __cplusplus
 146 }
 147 #endif