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