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114 lines
3.1 KiB
114 lines
3.1 KiB
#include <windows.h>
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//=--------------------------------------------------------------------------=
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// Function name here
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//=--------------------------------------------------------------------------=
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// Function description
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//
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// Parameters:
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//
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// Returns:
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//
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// Notes:
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//
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// Checks the install destination dir free disk space
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//
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DWORD GetSpace( LPSTR szPath )
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{
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DWORD dwSecsPerCluster = 0;
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DWORD dwBytesPerSector = 0;
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DWORD dwFreeClusters = 0;
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DWORD dwTotalClusters = 0;
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DWORD dwClusterSize = 0;
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DWORD dwFreeBytes = 0;
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DWORD dwVolFlags = 0;
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if( szPath[0] == 0)
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return 0;
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if ( ! GetDiskFreeSpace( szPath, &dwSecsPerCluster, &dwBytesPerSector,
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&dwFreeClusters, &dwTotalClusters ) )
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{
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return( 0 );
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}
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dwClusterSize = dwBytesPerSector * dwSecsPerCluster;
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dwFreeBytes = MulDiv(dwClusterSize, dwFreeClusters, 1024);
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return dwFreeBytes;
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}
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//=--------------------------------------------------------------------------=
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// Function name here
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//=--------------------------------------------------------------------------=
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// Function description
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//
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// Parameters:
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//
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// Returns:
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//
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// Notes:
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//
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// Checks the install destination dir free disk space
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//
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DWORD GetDriveSize( LPSTR szPath )
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{
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DWORD dwSecsPerCluster = 0;
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DWORD dwBytesPerSector = 0;
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DWORD dwFreeClusters = 0;
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DWORD dwTotalClusters = 0;
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DWORD dwClusterSize = 0;
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DWORD dwFreeBytes = 0;
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DWORD dwVolFlags = 0;
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if( szPath[0] == 0)
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return 0;
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if ( ! GetDiskFreeSpace( szPath, &dwSecsPerCluster, &dwBytesPerSector,
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&dwFreeClusters, &dwTotalClusters ) )
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{
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return( 0 );
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}
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dwClusterSize = dwBytesPerSector * dwSecsPerCluster;
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dwFreeBytes = MulDiv(dwClusterSize, dwTotalClusters, 1024);
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return dwFreeBytes;
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}
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//=--------------------------------------------------------------------------=
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// Function name here
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//=--------------------------------------------------------------------------=
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// Function description
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//
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// Parameters:
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//
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// Returns:
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//
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// Notes:
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//
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// Checks the given path drive free space and the current cluster size
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//
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DWORD GetDrvFreeSpaceAndClusterSize( LPSTR szPath, LPDWORD lpdwClustSize )
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{
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DWORD dwSecsPerCluster = 0;
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DWORD dwBytesPerSector = 0;
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DWORD dwFreeClusters = 0;
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DWORD dwTotalClusters = 0;
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DWORD dwClusterSize = 0;
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DWORD dwFreeBytes = 0;
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DWORD dwVolFlags = 0;
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// if szPath is NULL, the current directory root will be used by the API
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if ( ! GetDiskFreeSpace( szPath, &dwSecsPerCluster, &dwBytesPerSector,
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&dwFreeClusters, &dwTotalClusters ) )
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{
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return( 0 );
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}
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dwClusterSize = dwBytesPerSector * dwSecsPerCluster;
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dwFreeBytes = MulDiv(dwClusterSize, dwFreeClusters, 1024);
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if (lpdwClustSize)
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*lpdwClustSize = dwClusterSize;
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return dwFreeBytes;
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}
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