reactos/base/shell/cmd/path.c
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS]
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

88 lines
1.9 KiB
C

/*
* PATH.C - path internal command.
*
*
* History:
*
* 17 Jul 1998 (John P Price)
* Separated commands into individual files.
*
* 27-Jul-1998 (John P Price <linux-guru@gcfl.net>)
* added config.h include
*
* 09-Dec-1998 (Eric Kohl)
* Added help text ("/?").
*
* 18-Jan-1999 (Eric Kohl)
* Unicode ready!
*
* 18-Jan-1999 (Eric Kohl)
* Redirection safe!
*
* 24-Jan-1999 (Eric Kohl)
* Fixed Win32 environment handling.
*
* 30-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
* Remove all hardcoded strings in En.rc
*/
#include "precomp.h"
#ifdef INCLUDE_CMD_PATH
/* size of environment variable buffer */
#define ENV_BUFFER_SIZE 1024
INT cmd_path (LPTSTR param)
{
if (!_tcsncmp (param, _T("/?"), 2))
{
ConOutResPaging(TRUE,STRING_PATH_HELP1);
return 0;
}
nErrorLevel = 0;
/* if param is empty, display the PATH environment variable */
if (!param || !*param)
{
DWORD dwBuffer;
LPTSTR pszBuffer;
pszBuffer = (LPTSTR)cmd_alloc (ENV_BUFFER_SIZE * sizeof(TCHAR));
dwBuffer = GetEnvironmentVariable (_T("PATH"), pszBuffer, ENV_BUFFER_SIZE);
if (dwBuffer == 0)
{
cmd_free(pszBuffer);
ConOutResPrintf(STRING_VOL_HELP2, _T("PATH"));
return 0;
}
else if (dwBuffer > ENV_BUFFER_SIZE)
{
pszBuffer = (LPTSTR)cmd_realloc (pszBuffer, dwBuffer * sizeof (TCHAR));
GetEnvironmentVariable (_T("PATH"), pszBuffer, dwBuffer);
}
ConOutPrintf(_T("PATH=%s\n"), pszBuffer);
cmd_free (pszBuffer);
return 0;
}
/* skip leading '=' */
if (*param == _T('='))
param++;
/* set PATH environment variable */
if (!SetEnvironmentVariable (_T("PATH"), param))
{
nErrorLevel = 1;
return 1;
}
return 0;
}
#endif
/* EOF */