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https://github.com/reactos/reactos.git
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165 lines
3.1 KiB
C
165 lines
3.1 KiB
C
/*
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* FREE.C - internal command.
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*
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*
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* History:
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*
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* 01-Sep-1999 (Eric Kohl)
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* Started.
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*/
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#include "config.h"
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#ifdef INCLUDE_CMD_FREE
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#include <windows.h>
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#include <tchar.h>
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "cmd.h"
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/*
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* convert
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*
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* insert commas into a number
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*/
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static INT
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ConvertULargeInteger (ULARGE_INTEGER num, LPTSTR des, INT len)
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{
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TCHAR temp[32];
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INT c = 0;
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INT n = 0;
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if (num.QuadPart == 0)
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{
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des[0] = _T('0');
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des[1] = _T('\0');
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n = 1;
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}
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else
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{
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temp[31] = 0;
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while (num.QuadPart > 0)
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{
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if (((c + 1) % (nNumberGroups + 1)) == 0)
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temp[30 - c++] = cThousandSeparator;
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temp[30 - c++] = (TCHAR)(num.QuadPart % 10) + _T('0');
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num.QuadPart /= 10;
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}
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for (n = 0; n <= c; n++)
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des[n] = temp[31 - c + n];
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}
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return n;
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}
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static VOID
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PrintDiskInfo (LPTSTR szDisk)
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{
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TCHAR szRootPath[4] = "A:\\";
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TCHAR szDrive[2] = "A";
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TCHAR szVolume[64];
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TCHAR szSerial[10];
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TCHAR szTotal[40];
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TCHAR szUsed[40];
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TCHAR szFree[40];
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DWORD dwSerial;
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ULARGE_INTEGER uliSize;
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DWORD dwSecPerCl;
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DWORD dwBytPerSec;
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DWORD dwFreeCl;
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DWORD dwTotCl;
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if (_tcslen (szDisk) < 2 || szDisk[1] != _T(':'))
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{
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ConErrPrintf (_T("Invalid drive %s\n"), szDisk);
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return;
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}
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szRootPath[0] = szDisk[0];
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szDrive[0] = _totupper (szRootPath[0]);
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if (!GetVolumeInformation (szRootPath, szVolume, 64, &dwSerial,
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NULL, NULL, NULL, 0))
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{
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ConErrPrintf (_T("Invalid drive %s:\n"), szDrive);
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return;
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}
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if (szVolume[0] == _T('\0'))
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_tcscpy (szVolume, _T("unlabeled"));
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_stprintf (szSerial,
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_T("%04X-%04X"),
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HIWORD(dwSerial),
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LOWORD(dwSerial));
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if (!GetDiskFreeSpace (szRootPath, &dwSecPerCl,
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&dwBytPerSec, &dwFreeCl, &dwTotCl))
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{
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ConErrPrintf (_T("Invalid drive %s:\n"), szDrive);
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return;
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}
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uliSize.QuadPart = dwSecPerCl * dwBytPerSec * dwTotCl;
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ConvertULargeInteger (uliSize, szTotal, 40);
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uliSize.QuadPart = dwSecPerCl * dwBytPerSec * (dwTotCl - dwFreeCl);
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ConvertULargeInteger (uliSize, szUsed, 40);
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uliSize.QuadPart = dwSecPerCl * dwBytPerSec * dwFreeCl;
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ConvertULargeInteger (uliSize, szFree, 40);
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ConOutPrintf (_T("\n"
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" Volume in drive %s is %-11s Serial number is %s\n"
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" %16s bytes total disk space\n"
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" %16s bytes used\n"
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" %16s bytes free\n"),
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szDrive, szVolume, szSerial,
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szTotal, szUsed, szFree);
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}
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INT CommandFree (LPTSTR cmd, LPTSTR param)
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{
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LPTSTR szParam;
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TCHAR szDefPath[MAX_PATH];
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INT argc, i;
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LPTSTR *arg;
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if (!_tcsncmp (param, _T("/?"), 2))
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{
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ConOutPuts (_T("Displays drive information.\n"
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"\n"
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"FREE [drive: ...]"));
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return 0;
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}
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if (!param || *param == _T('\0'))
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{
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GetCurrentDirectory (MAX_PATH, szDefPath);
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szDefPath[2] = _T('\0');
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szParam = szDefPath;
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}
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else
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szParam = param;
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arg = split (szParam, &argc);
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for (i = 0; i < argc; i++)
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PrintDiskInfo (arg[i]);
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freep (arg);
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return 0;
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}
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#endif /* INCLUDE_CMD_FREE */
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/* EOF */ |