mirror of
https://github.com/reactos/reactos.git
synced 2024-11-09 16:20:37 +00:00
85 lines
1.5 KiB
C
85 lines
1.5 KiB
C
/*
|
|
* SHIFT.C - shift internal batch command
|
|
*
|
|
*
|
|
* History:
|
|
*
|
|
* 16 Jul 1998 (Hans B Pufal)
|
|
* started.
|
|
*
|
|
* 16 Jul 1998 (John P Price)
|
|
* Separated commands into individual files.
|
|
*
|
|
* 27-Jul-1998 (John P Price <linux-guru@gcfl.net>)
|
|
* added config.h include
|
|
*
|
|
* 07-Jan-1999 (Eric Kohl)
|
|
* Added help text ("shift /?") and cleaned up.
|
|
*
|
|
* 20-Jan-1999 (Eric Kohl)
|
|
* Unicode and redirection safe!
|
|
*
|
|
* 30-Apr-2005 (Magnus Olsen) <magnus@greatlord.com>)
|
|
* Remove all hardcode string to En.rc
|
|
*/
|
|
|
|
#include <precomp.h>
|
|
|
|
|
|
/*
|
|
* Perform the SHIFT command.
|
|
*
|
|
* Only valid inside batch files.
|
|
*
|
|
* FREEDOS extension : optional parameter DOWN to allow shifting
|
|
* parameters backwards.
|
|
*
|
|
*/
|
|
|
|
INT cmd_shift (LPTSTR param)
|
|
{
|
|
INT i = 0;
|
|
TRACE ("cmd_shift: (\'%s\')\n", debugstr_aw(param));
|
|
|
|
if (!_tcsncmp (param, _T("/?"), 2))
|
|
{
|
|
ConOutResPaging(TRUE,STRING_SHIFT_HELP);
|
|
return 0;
|
|
}
|
|
|
|
nErrorLevel = 0;
|
|
|
|
if (bc == NULL)
|
|
{
|
|
/* not in batch - error!! */
|
|
nErrorLevel = 1;
|
|
return 1;
|
|
}
|
|
|
|
if (!_tcsicmp (param, _T("down")))
|
|
{
|
|
if (bc->shiftlevel[0])
|
|
for (; i <= 9; i++)
|
|
bc->shiftlevel[i]--;
|
|
}
|
|
else /* shift up */
|
|
{
|
|
if (*param == _T('/'))
|
|
{
|
|
if (param[1] < '0' || param[1] > '9')
|
|
{
|
|
error_invalid_switch(param[1]);
|
|
return 1;
|
|
}
|
|
i = param[1] - '0';
|
|
}
|
|
|
|
for (; i < 9; i++)
|
|
bc->shiftlevel[i] = bc->shiftlevel[i + 1];
|
|
bc->shiftlevel[i]++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* EOF */
|