mirror of
https://github.com/reactos/reactos.git
synced 2024-11-02 21:09:15 +00:00
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
#include <precomp.h>
|
|
#include <direct.h>
|
|
#include <tchar.h>
|
|
|
|
/*
|
|
* @implemented
|
|
*
|
|
* _getdcwd (MSVCRT.@)
|
|
*
|
|
* Get the current working directory on a given disk.
|
|
*
|
|
* PARAMS
|
|
* drive [I] Drive letter to get the current working directory from.
|
|
* buf [O] Destination for the current working directory.
|
|
* size [I] Length of drive in characters.
|
|
*
|
|
* RETURNS
|
|
* Success: If drive is NULL, returns an allocated string containing the path.
|
|
* Otherwise populates drive with the path and returns it.
|
|
* Failure: NULL. errno indicates the error.
|
|
*/
|
|
_TCHAR* _tgetdcwd(int drive, _TCHAR * buf, int size)
|
|
{
|
|
static _TCHAR* dummy;
|
|
|
|
TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
|
|
|
|
if (!drive || drive == _getdrive())
|
|
return _tgetcwd(buf,size); /* current */
|
|
else
|
|
{
|
|
_TCHAR dir[MAX_PATH];
|
|
_TCHAR drivespec[] = _T("A:");
|
|
int dir_len;
|
|
|
|
drivespec[0] += drive - 1;
|
|
if (GetDriveType(drivespec) < DRIVE_REMOVABLE)
|
|
{
|
|
_set_errno(EACCES);
|
|
return NULL;
|
|
}
|
|
|
|
/* GetFullPathName for X: means "get working directory on drive X",
|
|
* just like passing X: to SetCurrentDirectory means "switch to working
|
|
* directory on drive X". -Gunnar */
|
|
dir_len = GetFullPathName(drivespec,MAX_PATH,dir,&dummy);
|
|
if (dir_len >= size || dir_len < 1)
|
|
{
|
|
_set_errno(ERANGE);
|
|
return NULL; /* buf too small */
|
|
}
|
|
|
|
TRACE(":returning '%s'\n", dir);
|
|
if (!buf)
|
|
return _tcsdup(dir); /* allocate */
|
|
|
|
_tcscpy(buf,dir);
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
|