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//
// AUTHOR
// N. Nielsen
//
// LICENSE
// This software is in the public domain.
//
// The software is provided "as is", without warranty of any kind,
// express or implied, including but not limited to the warranties
// of merchantability, fitness for a particular purpose, and
// noninfringement. In no event shall the author(s) be liable for any
// claim, damages, or other liability, whether in an action of
// contract, tort, or otherwise, arising from, out of, or in connection
// with the software or the use or other dealings in the software.
//
// SUPPORT
// Send bug reports to: <nielsen@memberwebs.com>
//
#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
#include <windows.h>
#include <tchar.h>
#include <winioctl.h>
// Get first CD-ROM Drive letter
TCHAR GetCDROM()
{
TCHAR buff[4];
TCHAR i;
_tcscpy(buff, "X:\\");
for(i = _T('A'); i <= _T('Z'); i++)
{
buff[0] = i;
if(GetDriveType(buff) == DRIVE_CDROM)
return i;
}
return 0;
}
int Usage()
{
MessageBox(NULL, _T("usage: eject [-load] [drive] ..."), _T("Eject Usage"), MB_OK | MB_ICONINFORMATION);
return 2;
}
int DoEject(TCHAR drive, int mode)
{
TCHAR buff[7];
HANDLE hDevice;
_tcscpy(buff, "\\\\.\\X:");
if(drive == 0)
{
// Create a CD-ROM drive string
buff[4] = GetCDROM(drive);
}
else
{
buff[4] = drive;
}
if(buff[4] == 0)
{
MessageBox(NULL, _T("No CD-ROM drives found on system."), _T("Eject"), MB_OK | MB_ICONSTOP);
return 1;
}
// Open the CD device
hDevice = CreateFile(buff, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
if(hDevice != INVALID_HANDLE_VALUE)
{
DWORD code = IOCTL_STORAGE_EJECT_MEDIA;
DWORD bytesRet = 0;
// If specified with the '-load' parameter then load
// the drive rather than eject
if(mode)
code = IOCTL_STORAGE_LOAD_MEDIA;
DeviceIoControl(hDevice, code, NULL, 0, NULL, 0, &bytesRet, NULL);
}
CloseHandle(hDevice);
return 0;
}
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
int mode = 0;
int spec = 0;
int i;
for(i = 0; i < __argc; i++)
{
/* Specifying a parameter */
if(__argv[i][0] == '-')
{
char* arg = __argv[i] + 1;
if(strstr(arg, "load"))
{
mode = 1;
continue;
}
else if(strstr(arg, "eject"))
{
mode = 0;
continue;
}
else if(strstr(arg, "h"))
{
return Usage();
}
}
/* Specifying a drive */
if(strlen(__argv[i]) == 1)
{
char drive = tolower(__argv[i][0]);
if(drive >= 'a' && drive <= 'z')
{
if(!DoEject(drive, mode))
return 1;
spec = 1;
continue;
}
}
return Usage();
}
if(!spec)
{
if(!DoEject(0, mode))
return 1;
}
return 0;
}
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