xref: /reactos/base/shell/cmd/free.c (revision 1734f297)
1 /*
2  *  FREE.C - internal command.
3  *
4  *
5  *  History:
6  *
7  *    01-Sep-1999 (Eric Kohl)
8  *        Started.
9  *
10  *    28-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
11  *        Remove all hardcoded strings in En.rc
12  */
13 
14 #include "precomp.h"
15 
16 #ifdef INCLUDE_CMD_FREE
17 
18 static VOID
19 PrintDiskInfo (LPTSTR szDisk)
20 {
21     TCHAR szMsg[RC_STRING_MAX_SIZE];
22     TCHAR szRootPath[4] = _T("A:\\");
23     TCHAR szDrive[2] = _T("A");
24     TCHAR szVolume[64];
25     TCHAR szSerial[10];
26     TCHAR szTotal[40];
27     TCHAR szUsed[40];
28     TCHAR szFree[40];
29     DWORD dwSerial;
30     ULONGLONG uliSize;
31     DWORD dwSecPerCl;
32     DWORD dwBytPerSec;
33     DWORD dwFreeCl;
34     DWORD dwTotCl;
35 
36     if (_tcslen (szDisk) < 2 || szDisk[1] != _T(':'))
37     {
38         ConErrResPrintf(STRING_FREE_ERROR1);
39         return;
40     }
41 
42     szRootPath[0] = szDisk[0];
43     szDrive[0] = _totupper (szRootPath[0]);
44 
45     if (!GetVolumeInformation (szRootPath, szVolume, 64, &dwSerial,
46                                NULL, NULL, NULL, 0))
47     {
48         LoadString(CMD_ModuleHandle, STRING_FREE_ERROR1, szMsg, ARRAYSIZE(szMsg));
49         ConErrPrintf(_T("%s %s:\n"), szMsg, szDrive);
50         return;
51     }
52 
53     if (szVolume[0] == _T('\0'))
54     {
55 
56         LoadString(CMD_ModuleHandle, STRING_FREE_ERROR2, szMsg, ARRAYSIZE(szMsg));
57         _tcscpy (szVolume, szMsg);
58     }
59 
60     _stprintf (szSerial,
61                _T("%04X-%04X"),
62                HIWORD(dwSerial),
63                LOWORD(dwSerial));
64 
65     if (!GetDiskFreeSpace (szRootPath, &dwSecPerCl,
66                            &dwBytPerSec, &dwFreeCl, &dwTotCl))
67     {
68         LoadString(CMD_ModuleHandle, STRING_FREE_ERROR1, szMsg, ARRAYSIZE(szMsg));
69         ConErrPrintf(_T("%s %s:\n"), szMsg, szDrive);
70         return;
71     }
72 
73     uliSize = dwSecPerCl * dwBytPerSec * (ULONGLONG)dwTotCl;
74     ConvertULargeInteger(uliSize, szTotal, 40, TRUE);
75 
76     uliSize = dwSecPerCl * dwBytPerSec * (ULONGLONG)(dwTotCl - dwFreeCl);
77     ConvertULargeInteger(uliSize, szUsed, 40, TRUE);
78 
79     uliSize = dwSecPerCl * dwBytPerSec * (ULONGLONG)dwFreeCl;
80     ConvertULargeInteger(uliSize, szFree, 40, TRUE);
81 
82     ConOutResPrintf(STRING_FREE_HELP1, szDrive, szVolume, szSerial, szTotal, szUsed, szFree);
83 }
84 
85 
86 INT CommandFree (LPTSTR param)
87 {
88     LPTSTR szParam;
89     TCHAR  szDefPath[MAX_PATH];
90     INT argc, i;
91     LPTSTR *arg;
92 
93     if (!_tcsncmp (param, _T("/?"), 2))
94     {
95         ConOutResPaging(TRUE,STRING_FREE_HELP2);
96         return 0;
97     }
98 
99     if (!param || *param == _T('\0'))
100     {
101         GetCurrentDirectory (MAX_PATH, szDefPath);
102         szDefPath[2] = _T('\0');
103         szParam = szDefPath;
104     }
105     else
106         szParam = param;
107 
108     arg = split (szParam, &argc, FALSE, FALSE);
109 
110     for (i = 0; i < argc; i++)
111         PrintDiskInfo (arg[i]);
112 
113     freep (arg);
114 
115     return 0;
116 }
117 
118 #endif /* INCLUDE_CMD_FREE */
119 
120 /* EOF */
121