mirror of
https://github.com/reactos/reactos.git
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86 lines
2 KiB
C
86 lines
2 KiB
C
/*
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* PATH.C - path internal command.
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*
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*
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* History:
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*
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* 17 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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* 09-Dec-1998 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
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* Added help text ("/?").
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*
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* 18-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
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* Unicode ready!
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*
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* 18-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
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* Redirection safe!
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*
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* 24-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
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* Fixed Win32 environment handling.
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*/
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#include "config.h"
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#ifdef INCLUDE_CMD_PATH
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#include <windows.h>
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#include <tchar.h>
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#include <string.h>
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#include <stdlib.h>
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#include "cmd.h"
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/* size of environment variable buffer */
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#define ENV_BUFFER_SIZE 1024
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INT cmd_path (LPTSTR cmd, LPTSTR param)
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{
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if (!_tcsncmp (param, _T("/?"), 2))
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{
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ConOutPuts (_T("Displays or sets a search path for executable files.\n\n"
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"PATH [[drive:]path[;...]]\nPATH ;\n\n"
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"Type PATH ; to clear all search-path settings and direct the command shell\n"
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"to search only in the current directory.\n"
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"Type PATH without parameters to display the current path.\n"));
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return 0;
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}
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/* if param is empty, display the PATH environment variable */
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if (!param || !*param)
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{
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DWORD dwBuffer;
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LPTSTR pszBuffer;
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pszBuffer = (LPTSTR)malloc (ENV_BUFFER_SIZE * sizeof(TCHAR));
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dwBuffer = GetEnvironmentVariable (_T("PATH"), pszBuffer, ENV_BUFFER_SIZE);
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if (dwBuffer == 0)
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{
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ConErrPrintf ("CMD: Not in environment \"PATH\"\n");
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return 0;
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}
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else if (dwBuffer > ENV_BUFFER_SIZE)
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{
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pszBuffer = (LPTSTR)realloc (pszBuffer, dwBuffer * sizeof (TCHAR));
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GetEnvironmentVariable (_T("PATH"), pszBuffer, ENV_BUFFER_SIZE);
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}
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ConOutPrintf (_T("PATH=%s\n"), pszBuffer);
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free (pszBuffer);
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return 0;
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}
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/* set PATH environment variable */
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if (!SetEnvironmentVariable (_T("PATH"), param))
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return 1;
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return 0;
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}
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#endif
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