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| #include <windows.h>
#include <stdio.h>
void main (int argc, char **argv)
{
BOOL fResult;
char *pszDrive = NULL,
szDrive[4];
unsigned __int64 i64FreeBytesToCaller,
i64TotalBytes,
i64FreeBytes;
/*
Command line parsing.
If the drive is a drive letter and not a UNC path, append a
trailing backslash to the drive letter and colon. This is
required on Windows 95 and 98.
*/
if (argc != 2)
{
printf ("usage: %s <drive|UNC path>\n", argv[0]);
printf ("\texample: %s C:\\\n", argv[0]);
return;
}
pszDrive = argv[1];
if (pszDrive[1] == ':')
{
szDrive[0] = pszDrive[0];
szDrive[1] = ':';
szDrive[2] = '\\';
szDrive[3] = '\0';
pszDrive = szDrive;
}
fResult = GetDiskFreeSpaceEx (pszDrive,
(PULARGE_INTEGER)&i64FreeBytesToCaller,
(PULARGE_INTEGER)&i64TotalBytes,
(PULARGE_INTEGER)&i64FreeBytes);
if (fResult)
{
printf ("\n\nGetDiskFreeSpaceEx reports\n\n");
printf ("Available space to caller = %I64u MB\n",
i64FreeBytesToCaller / (1024*1024));
printf ("Total space = %I64u MB\n",
i64TotalBytes / (1024*1024));
printf ("Free space on drive = %I64u MB\n",
i64FreeBytes / (1024*1024));
}
if (!fResult)
printf ("error: %lu: could not get free space for \"%s\"\n",
GetLastError(), argv[1]);
} |
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