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64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
/**
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@file ErrorReporting.cpp
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@author Lime Microsystems
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@brief API for reporting error codes and error messages.
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*/
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#include "ErrorReporting.h"
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#include <cstring> //strerror
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#include <cstdio>
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#ifdef _MSC_VER
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#define thread_local __declspec( thread )
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#include <Windows.h>
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#endif
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#ifdef __APPLE__
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#define thread_local __thread
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#endif
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#define MAX_MSG_LEN 1024
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thread_local int _reportedErrorCode;
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thread_local char _reportedErrorMessage[MAX_MSG_LEN];
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static const char *errToStr(const int errnum)
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{
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thread_local static char buff[MAX_MSG_LEN];
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#ifdef _MSC_VER
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FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errnum, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&buff, sizeof(buff), NULL);
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return buff;
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#else
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//http://linux.die.net/man/3/strerror_r
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#if ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && ! _GNU_SOURCE) || __APPLE__
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strerror_r(errnum, buff, sizeof(buff));
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#else
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//this version may decide to use its own internal string
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//return strerror_r(errnum, buff, sizeof(buff)); MinGW
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return buff;
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#endif
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return buff;
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#endif
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}
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int lime::GetLastError(void)
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{
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return _reportedErrorCode;
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}
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const char *lime::GetLastErrorMessage(void)
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{
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return _reportedErrorMessage;
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}
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int lime::ReportError(const int errnum)
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{
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return lime::ReportError(errnum, errToStr(errnum));
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}
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int lime::ReportError(const int errnum, const char *format, va_list argList)
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{
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_reportedErrorCode = errnum;
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vsnprintf(_reportedErrorMessage, MAX_MSG_LEN, format, argList);
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return errnum;
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}
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