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* Create a branch for USB experiments.
svn path=/branches/usb-experiments/; revision=72629
This commit is contained in:
Amine Khaldi
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23049 changed files with 0 additions and 1313991 deletions
258
base/shell/cmd/prompt.c
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258
base/shell/cmd/prompt.c
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/*
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* PROMPT.C - prompt handling.
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*
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*
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* History:
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*
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* 14/01/95 (Tim Normal)
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* started.
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*
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* 08/08/95 (Matt Rains)
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* i have cleaned up the source code. changes now bring this source
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* into guidelines for recommended programming practice.
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*
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* 01/06/96 (Tim Norman)
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* added day of the week printing (oops, forgot about that!)
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*
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* 08/07/96 (Steffan Kaiser)
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* small changes for speed
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*
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* 20-Jul-1998 (John P Price <linux-guru@gcfl.net>)
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* removed redundant day strings. Use ones defined in date.c.
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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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* 28-Jul-1998 (John P Price <linux-guru@gcfl.net>)
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* moved cmd_prompt from internal.c to here
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*
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* 09-Dec-1998 (Eric Kohl)
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* Added help text ("/?").
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*
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* 14-Dec-1998 (Eric Kohl)
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* Added "$+" option.
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*
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* 09-Jan-1999 (Eric Kohl)
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* Added "$A", "$C" and "$F" option.
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* Added locale support.
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* Fixed "$V" option.
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*
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* 20-Jan-1999 (Eric Kohl)
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* Unicode and redirection safe!
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*
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* 24-Jan-1999 (Eric Kohl)
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* Fixed Win32 environment handling.
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*
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* 30-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
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* Remove all hardcoded strings in En.rc
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*/
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#include "precomp.h"
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/* The default prompt */
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static TCHAR DefaultPrompt[] = _T("$P$G");
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/*
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* Initialize prompt support
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*/
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VOID InitPrompt(VOID)
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{
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TCHAR Buffer[2];
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/*
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* Set the PROMPT environment variable if it doesn't exist already.
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* You can change the PROMPT environment variable before cmd starts.
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*/
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if (GetEnvironmentVariable(_T("PROMPT"), Buffer, ARRAYSIZE(Buffer)) == 0)
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SetEnvironmentVariable(_T("PROMPT"), DefaultPrompt);
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}
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/*
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* Print an information line on top of the screen
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*/
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VOID PrintInfoLine(VOID)
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{
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#define FOREGROUND_WHITE (FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY)
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HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
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CONSOLE_SCREEN_BUFFER_INFO csbi;
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COORD coPos;
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DWORD dwWritten;
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TCHAR szInfoLine[80 + 1]; // The info line is 80 characters long (without NULL character)
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INT iInfoLineLen;
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/* Return directly if the output handle is not a console handle */
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if (!GetConsoleScreenBufferInfo(hOutput, &csbi))
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return;
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iInfoLineLen = LoadString(CMD_ModuleHandle, STRING_CMD_INFOLINE, szInfoLine, ARRAYSIZE(szInfoLine));
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/* Display the localized information line */
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coPos.X = 0;
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coPos.Y = 0;
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FillConsoleOutputAttribute(hOutput, BACKGROUND_BLUE | FOREGROUND_WHITE,
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csbi.dwSize.X,
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coPos, &dwWritten);
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FillConsoleOutputCharacter(hOutput, _T(' '),
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csbi.dwSize.X,
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coPos, &dwWritten);
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WriteConsoleOutputCharacter(hOutput, szInfoLine, iInfoLineLen,
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coPos, &dwWritten);
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}
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/*
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* Print the command-line prompt
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*/
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VOID PrintPrompt(VOID)
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{
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TCHAR szPrompt[256];
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LPTSTR pr;
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if (GetEnvironmentVariable(_T("PROMPT"), szPrompt, 256))
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pr = szPrompt;
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else
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pr = DefaultPrompt;
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while (*pr)
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{
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if (*pr != _T('$'))
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{
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ConOutChar(*pr);
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}
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else
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{
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pr++;
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switch (_totupper(*pr))
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{
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case _T('A'):
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ConOutChar(_T('&'));
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break;
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case _T('B'):
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ConOutChar(_T('|'));
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break;
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case _T('C'):
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ConOutChar(_T('('));
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break;
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case _T('D'):
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ConOutPrintf(_T("%s"), GetDateString());
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break;
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case _T('E'):
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ConOutChar(_T('\x1B'));
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break;
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case _T('F'):
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ConOutChar(_T(')'));
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break;
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case _T('G'):
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ConOutChar(_T('>'));
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break;
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case _T('H'):
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ConOutChar(_T('\x08'));
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ConOutChar(_T(' '));
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ConOutChar(_T('\x08'));
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break;
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case _T('I'):
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PrintInfoLine();
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break;
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case _T('L'):
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ConOutChar(_T('<'));
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break;
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case _T('N'):
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{
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TCHAR szPath[MAX_PATH];
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GetCurrentDirectory(MAX_PATH, szPath);
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ConOutChar(szPath[0]);
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}
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break;
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case _T('P'):
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{
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TCHAR szPath[MAX_PATH];
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GetCurrentDirectory(MAX_PATH, szPath);
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ConOutPrintf(_T("%s"), szPath);
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}
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break;
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case _T('Q'):
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ConOutChar(_T('='));
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break;
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case _T('S'):
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ConOutChar(_T(' '));
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break;
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case _T('T'):
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ConOutPrintf(_T("%s"), GetTimeString());
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break;
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case _T('V'):
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PrintOSVersion();
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break;
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case _T('_'):
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ConOutChar(_T('\n'));
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break;
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case '$':
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ConOutChar(_T('$'));
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break;
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#ifdef FEATURE_DIRECTORY_STACK
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case '+':
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{
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INT i;
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for (i = 0; i < GetDirectoryStackDepth (); i++)
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ConOutChar(_T('+'));
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}
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break;
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#endif
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}
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}
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pr++;
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}
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}
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#ifdef INCLUDE_CMD_PROMPT
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INT cmd_prompt(LPTSTR param)
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{
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if (!_tcsncmp(param, _T("/?"), 2))
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{
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ConOutResPaging(TRUE, STRING_PROMPT_HELP1);
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#ifdef FEATURE_DIRECTORY_STACK
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ConOutResPaging(FALSE, STRING_PROMPT_HELP2);
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#endif
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ConOutResPaging(FALSE, STRING_PROMPT_HELP3);
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return 0;
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}
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/*
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* Set the PROMPT environment variable. If 'param' is NULL or is
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* an empty string (the user entered "prompt" only), then remove
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* the environment variable and therefore use the default prompt.
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* Otherwise, use the new prompt.
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*/
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if (!SetEnvironmentVariable(_T("PROMPT"),
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(param && param[0] != _T('\0') ? param : NULL)))
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{
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return 1;
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}
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return 0;
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}
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#endif
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/* EOF */
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