2014-01-25 08:51:03 -05:00
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#include "Globals.h"
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#include "Errors.h"
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2014-07-21 09:19:48 -04:00
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AString GetOSErrorString( int a_ErrNo)
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2014-01-25 08:51:03 -05:00
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{
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char buffer[ 1024 ];
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AString Out;
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#ifdef _WIN32
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2015-09-26 17:19:29 -04:00
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FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, a_ErrNo, 0, buffer, ARRAYCOUNT(buffer), nullptr);
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2014-01-25 08:51:03 -05:00
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Printf(Out, "%d: %s", a_ErrNo, buffer);
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if (!Out.empty() && (Out[Out.length() - 1] == '\n'))
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{
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Out.erase(Out.length() - 2);
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}
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return Out;
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2016-02-05 16:45:45 -05:00
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2014-01-25 08:51:03 -05:00
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#else // _WIN32
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2016-02-05 16:45:45 -05:00
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2016-12-19 11:08:19 -05:00
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// According to https://linux.die.net/man/3/strerror_r there are two versions of strerror_r():
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2016-02-05 16:45:45 -05:00
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2016-11-07 17:15:07 -05:00
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#if defined(__GLIBC__) && defined( _GNU_SOURCE) && !defined(ANDROID) // GNU version of strerror_r()
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2016-02-05 16:45:45 -05:00
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2014-07-21 09:19:48 -04:00
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char * res = strerror_r( errno, buffer, ARRAYCOUNT(buffer));
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2014-10-20 16:55:07 -04:00
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if (res != nullptr)
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2014-01-25 08:51:03 -05:00
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{
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Printf(Out, "%d: %s", a_ErrNo, res);
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return Out;
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}
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2016-02-05 16:45:45 -05:00
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2014-01-25 08:51:03 -05:00
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#else // XSI version of strerror_r():
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2016-02-05 16:45:45 -05:00
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2014-07-21 09:19:48 -04:00
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int res = strerror_r( errno, buffer, ARRAYCOUNT(buffer));
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if (res == 0)
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2014-01-25 08:51:03 -05:00
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{
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Printf(Out, "%d: %s", a_ErrNo, buffer);
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return Out;
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}
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2016-02-05 16:45:45 -05:00
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2014-01-25 08:51:03 -05:00
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#endif // strerror_r() version
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2016-02-05 16:45:45 -05:00
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2014-01-25 08:51:03 -05:00
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else
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{
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Printf(Out, "Error %d while getting error string for error #%d!", errno, a_ErrNo);
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return Out;
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}
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2016-02-05 16:45:45 -05:00
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2014-01-25 08:51:03 -05:00
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#endif // else _WIN32
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}
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2014-01-25 09:02:20 -05:00
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