mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 03:27:31 +00:00
110 lines
2.3 KiB
C
110 lines
2.3 KiB
C
/*
|
|
* GOTO.C - goto internal batch command.
|
|
*
|
|
* History:
|
|
*
|
|
* 16 Jul 1998 (Hans B Pufal)
|
|
* started.
|
|
*
|
|
* 16 Jul 1998 (John P Price)
|
|
* Seperated commands into individual files.
|
|
*
|
|
* 27-Jul-1998 (John P Price <linux-guru@gcfl.net>)
|
|
* added config.h include
|
|
*
|
|
* 28 Jul 1998 (Hans B Pufal) [HBP_003]
|
|
* Terminate label on first space character, use only first 8 chars of
|
|
* label string
|
|
*
|
|
* 24-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
|
|
* Unicode and redirection safe!
|
|
*
|
|
* 27-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
|
|
* Added help text ("/?").
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <windows.h>
|
|
#include <tchar.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
|
|
#include "cmd.h"
|
|
#include "batch.h"
|
|
|
|
|
|
/*
|
|
* Perform GOTO command.
|
|
*
|
|
* Only valid if batch file current.
|
|
*
|
|
*/
|
|
|
|
INT cmd_goto (LPTSTR cmd, LPTSTR param)
|
|
{
|
|
LPTSTR tmp;
|
|
LONG lNewPosHigh;
|
|
|
|
#ifdef _DEBUG
|
|
DebugPrintf ("cmd_goto (\'%s\', \'%s\'\n", cmd, param);
|
|
#endif
|
|
|
|
if (!_tcsncmp (param, _T("/?"), 2))
|
|
{
|
|
ConOutPuts (_T("Directs CMD to a labeled line in a batch script.\n"
|
|
"\n"
|
|
"GOTO label\n"
|
|
"\n"
|
|
" label Specifies a text string used in a batch script as a label.\n"
|
|
"\n"
|
|
"You type a label on a line by itself, beginning with a colon."));
|
|
return 0;
|
|
}
|
|
|
|
/* if not in batch -- error!! */
|
|
if (bc == NULL)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
if (*param == _T('\0'))
|
|
{
|
|
ExitBatch (_T("No label specified for GOTO\n"));
|
|
return 1;
|
|
}
|
|
|
|
/* terminate label at first space char */
|
|
tmp = param;
|
|
while (*tmp && !_istspace (*tmp))
|
|
tmp++;
|
|
*tmp = _T('\0');
|
|
|
|
/* set file pointer to the beginning of the batch file */
|
|
lNewPosHigh = 0;
|
|
SetFilePointer (bc->hBatchFile, 0, &lNewPosHigh, FILE_BEGIN);
|
|
|
|
while (FileGetString (bc->hBatchFile, textline, sizeof(textline)))
|
|
{
|
|
/* Strip out any trailing spaces or control chars */
|
|
tmp = textline + _tcslen (textline) - 1;
|
|
while (_istcntrl (*tmp) || _istspace (*tmp))
|
|
tmp--;
|
|
*(tmp + 1) = _T('\0');
|
|
|
|
/* Then leading spaces... */
|
|
tmp = textline;
|
|
while (_istspace (*tmp))
|
|
tmp++;
|
|
|
|
/* use only 1st 8 chars of label */
|
|
if ((*tmp == _T(':')) && (_tcsncmp (++tmp, param, 8) == 0))
|
|
return 0;
|
|
}
|
|
|
|
ConErrPrintf (_T("Label '%s' not found\n"), param);
|
|
ExitBatch (NULL);
|
|
|
|
return 1;
|
|
}
|