85 rivejä
3.2 KiB
C
85 rivejä
3.2 KiB
C
//{
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//(
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// This class is used to format error messages and track the last error generated.
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//
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// Most of the cmHandle_t based classes use cmErr_t to format error messages with a
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// title, maintain the last result code which indicated an error, and to hold
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// a cmRpt_t object to manage application supplied text printing callbacks.
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//
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//)
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//
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#ifndef cmErr_h
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#define cmErr_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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//(
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typedef struct
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{
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cmRpt_t* rpt; //< Pointer to a cmRpt_t object which is used to direct error messages to an application supplied console.
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const cmChar_t* label; //< This field contains a pointer to a text label used to form the error message title.
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cmRC_t rc; //< This is the last result code passed via one of the cmErrXXXMsg() functions.
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cmRC_t warnRC; //< Last warning RC
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} cmErr_t;
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// Setup a cmErr_t record.
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//
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// Note that rpt and staticLabelStr must point to client supplied objects
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// whose lifetime is at least that of this cmErr_t object.
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void cmErrSetup( cmErr_t* err, cmRpt_t* rpt, const cmChar_t* staticLabelStr );
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// Duplicate a cmErr_t record.
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void cmErrClone( cmErr_t* dstErr, const cmErr_t* srcErr );
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// Error Reporting functions:
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// Functions to signal an error. The rc argument is generally specific to the
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// client class using the error. See the kXXXRC enumerations in the handle based
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// classes for examples of result codes.
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cmRC_t cmErrMsg( cmErr_t* err, cmRC_t rc, const cmChar_t* fmt, ... );
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cmRC_t cmErrVMsg(cmErr_t* err, cmRC_t rc, const cmChar_t* fmt, va_list vl );
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// Report Errors which contain accompanying system error codes.
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// Use these functions when a system error (e.g. Unix errno) gives additional information
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// about the source of the error.
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cmRC_t cmErrSysMsg( cmErr_t* err, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, ... );
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cmRC_t cmErrVSysMsg(cmErr_t* err, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, va_list vl );
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// Warning Reporting functions:
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// Errors generally result in a task aborting. Warnings are informative but the task is
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// expected to continue.
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// Functions to signal a warning. The rc argument is generally specific to the
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// client class using the error. See the kXXXRC enumerations in the handle based
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// classes for examples of result codes.
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cmRC_t cmErrWarnMsg( cmErr_t* err, cmRC_t rc, const cmChar_t* fmt, ... );
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cmRC_t cmErrWarnVMsg(cmErr_t* err, cmRC_t rc, const cmChar_t* fmt, va_list vl );
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// Report warnings which contain accompanying system error codes.
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// Use these functions when a system error (e.g. Unix errno) gives additional information
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// about the source of the error.
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cmRC_t cmErrWarnSysMsg( cmErr_t* err, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, ... );
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cmRC_t cmErrWarnVSysMsg(cmErr_t* err, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, va_list vl );
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// Return the last recorded RC.
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cmRC_t cmErrLastRC( cmErr_t* err );
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// Return the last recorded RC and set it to a new value.
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cmRC_t cmErrSetRC( cmErr_t* err, cmRC_t rc );
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// Return the last recorded RC and set it to cmOkRC.
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cmRC_t cmErrClearRC( cmErr_t* err );
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//)
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//}
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#ifdef __cplusplus
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}
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#endif
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#endif
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