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#include "stdafx.h"
#include "CommandLineArgs.h"
#include <charconv>
static bool printUsage()
{
fprintf( stderr, "Usage: compareTraces.exe trace1.bin trace2.bin [-diff N]\n" );
return false;
}
bool CommandLineArgs::parse( int argc, wchar_t* argv[] )
{
size_t idx = 0;
CString sw;
CStringA tmp;
for( int i = 1; i < argc; i++ )
{
if( argv[ i ][ 0 ] != L'-' )
{
if( idx >= 2 )
return printUsage();
inputs[ idx ] = argv[ i ];
idx++;
continue;
}
sw = argv[ i ];
if( 0 == sw.CompareNoCase( L"-diff" ) )
{
i++;
if( i >= argc )
return printUsage();
tmp.Format( "%S", argv[ i ] );
tmp.Trim();
uint64_t v;
auto res = std::from_chars( tmp, cstr( tmp ) + tmp.GetLength(), v );
if( res.ec != (std::errc)0 )
{
fprintf( stderr, "Unable to parse string into number\n" );
return false;
}
printDiff = v;
continue;
}
return printUsage();
}
if( idx != 2 )
return printUsage();
return true;
}
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