Leaked source code of windows server 2003
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53 lines
1.7 KiB

#include <windows.h>
#include <windowsx.h>
#include <tchar.h>
#include <stdio.h>
#include <string.h>
void DiskFreeSpace(char *DirectoryName)
{
ULARGE_INTEGER freeBytesAvailableToCaller;
ULARGE_INTEGER totalNumberOfBytes;
ULARGE_INTEGER totalNumberOfFreeBytes;
HINSTANCE FHandle;
FARPROC PAddress;
FHandle = LoadLibrary("Kernel32");
PAddress = GetProcAddress(FHandle,"GetDiskFreeSpaceEx");
if (GetDiskFreeSpaceEx(DirectoryName, &freeBytesAvailableToCaller, &totalNumberOfBytes, &totalNumberOfFreeBytes))
{
/*printf("Total number of free bytes (low): %f\n", totalNumberOfFreeBytes.LowPart/1048576.0);
printf("Total number of free bytes (high): %lu\n", totalNumberOfFreeBytes.HighPart*4096);*/
printf("%f", totalNumberOfFreeBytes.LowPart/1048576.0 + totalNumberOfFreeBytes.HighPart*4096.0);
/*printf("Free bytes available to caller(low): %f\n", freeBytesAvailableToCaller.LowPart/1048576.0);
printf("Free bytes available to caller(high): %lu\n", freeBytesAvailableToCaller.HighPart*4096);*/
/*printf("Free bytes available to caller: %f MB\n", freeBytesAvailableToCaller.LowPart/1048576.0 + freeBytesAvailableToCaller.HighPart*4096.0);
/*printf("Total number of bytes (low): %f\n", totalNumberOfBytes.LowPart/1048576.0);
printf("Total number of bytes (high): %lu\n", totalNumberOfBytes.HighPart*4096);
printf("Total number of bytes: %f MB\n",totalNumberOfBytes.LowPart/1048576.0 + freeBytesAvailableToCaller.HighPart*4096.0);*/
}
else
{
printf("Error");
}
}
void __cdecl main(int arc, char *argv[])
{
char *Path;
/* Path is the second argument in the command line when calling the executable "freespace" */
Path = argv[1];
DiskFreeSpace(Path);
}