VOID ExitBatch()
{
ClearBatch();
TRACE ("ExitBatch\n");
UndoRedirection(bc->RedirList, NULL);
FreeRedirection(bc->RedirList);
/* Preserve echo state across batch calls */
bEcho = bc->bEcho;
while (bc->setlocal)
cmd_endlocal(_T(""));
bc = bc->prev;
}
BOOL
PerformRedirection(REDIRECTION *RedirList)
{
REDIRECTION *Redir;
LPTSTR Filename;
HANDLE hNew;
UINT DupNumber;
static SECURITY_ATTRIBUTES SecAttr = { sizeof(SECURITY_ATTRIBUTES), NULL, TRUE };
/* Some parameters used for read, write, and append, respectively */
static const DWORD dwAccess[] = {
GENERIC_READ,
GENERIC_WRITE,
GENERIC_WRITE
};
static const DWORD dwShareMode[] = {
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_SHARE_READ,
FILE_SHARE_READ
};
static const DWORD dwCreationDisposition[] = {
OPEN_EXISTING,
CREATE_ALWAYS,
OPEN_ALWAYS
};
for (Redir = RedirList; Redir; Redir = Redir->Next)
{
Filename = DoDelayedExpansion(Redir->Filename);
if (!Filename)
goto redir_error;
StripQuotes(Filename);
if (*Filename == _T('&'))
{
DupNumber = Filename[1] - _T('0');
if (DupNumber >= 10 ||
!DuplicateHandle(GetCurrentProcess(),
GetHandle(DupNumber),
GetCurrentProcess(),
&hNew,
0,
TRUE,
DUPLICATE_SAME_ACCESS))
{
hNew = INVALID_HANDLE_VALUE;
}
}
else
{
hNew = CreateFile(Filename,
dwAccess[Redir->Type],
dwShareMode[Redir->Type],
&SecAttr,
dwCreationDisposition[Redir->Type],
0,
NULL);
}
if (hNew == INVALID_HANDLE_VALUE)
{
ConErrResPrintf(Redir->Type == REDIR_READ ? STRING_CMD_ERROR1 : STRING_CMD_ERROR3,
Filename);
cmd_free(Filename);
redir_error:
/* Undo all the redirections before this one */
UndoRedirection(RedirList, Redir);
return FALSE;
}
if (Redir->Type == REDIR_APPEND)
SetFilePointer(hNew, 0, NULL, FILE_END);
Redir->OldHandle = GetHandle(Redir->Number);
SetHandle(Redir->Number, hNew);
TRACE("%d redirected to: %s\n", Redir->Number, debugstr_aw(Filename));
cmd_free(Filename);
}
return TRUE;
}