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* START.C - start internal command.

* History:

* 24-Jul-1999 (Eric Kohl)

* Started.

* 30-Apr-2005 (Magnus Olsen <[email protected]>)

* Remove all hardcoded strings in En.rc

#include "precomp.h"

#ifdef INCLUDE_CMD_START

/* Find the end of an option, and turn it into a nul-terminated string

* in place. (It's moved back one character, to make room for the nul) */

static TCHAR *GetParameter(TCHAR **pPointer)

{

BOOL bInQuote = FALSE;

TCHAR *start = *pPointer;

TCHAR *p;

for (p = start; *p; p++)

{

if (!bInQuote && (*p == _T('/') || _istspace(*p)))

break;

bInQuote ^= (*p == _T('"'));

p[-1] = *p;

}

p[-1] = _T('\0');

*pPointer = p;

return start - 1;

}

INT cmd_start (LPTSTR Rest)

{

TCHAR szFullName[CMDLINE_LENGTH];

TCHAR szUnquotedName[CMDLINE_LENGTH];

TCHAR *param = NULL;

TCHAR *dot;

INT size;

LPTSTR comspec;

BOOL bWait = FALSE;

BOOL bBat = FALSE;

BOOL bCreate = FALSE;

TCHAR szFullCmdLine[CMDLINE_LENGTH];

PROCESS_INFORMATION prci;

STARTUPINFO stui;

#ifdef UNICODE

DWORD dwCreationFlags = CREATE_NEW_CONSOLE | CREATE_UNICODE_ENVIRONMENT;

#else

DWORD dwCreationFlags = CREATE_NEW_CONSOLE;

#endif

DWORD dwAffinityMask = 0;

LPTSTR lpTitle = NULL;

LPTSTR lpDirectory = NULL;

LPTSTR lpEnvironment = NULL;

WORD wShowWindow = SW_SHOWNORMAL;

while (1)

{

if (_istspace(*Rest))

{

Rest++;

}

else if (*Rest == _T('"') && !lpTitle)

{

lpTitle = GetParameter(&Rest);

StripQuotes(lpTitle);

}

else if (*Rest == _T('/'))

{

LPTSTR option;

Rest++;

option = GetParameter(&Rest);

if (*option == _T('?'))

{

ConOutResPaging(TRUE,STRING_START_HELP1);

return 0;

}

else if (_totupper(*option) == _T('D'))

{

lpDirectory = option + 1;

if (!*lpDirectory)

{

while (_istspace(*Rest))

Rest++;

lpDirectory = GetParameter(&Rest);

}

StripQuotes(lpDirectory);

}

else if (_totupper(*option) == _T('I'))

{

/* rest of the option is apparently ignored */

lpEnvironment = lpOriginalEnvironment;

}

else if (!_tcsicmp(option, _T("MIN")))

{

wShowWindow = SW_MINIMIZE;

}

else if (!_tcsicmp(option, _T("MAX")))

{

wShowWindow = SW_MAXIMIZE;

}

else if (!_tcsicmp(option, _T("AFFINITY")))

{

TCHAR *end;

while (_istspace(*Rest))

Rest++;

option = GetParameter(&Rest);

/* Affinity mask is given in hexadecimal */

dwAffinityMask = _tcstoul(option, &end, 16);

if (*end != _T('\0') || dwAffinityMask == 0 ||

dwAffinityMask == (DWORD)-1)

{

ConErrResPrintf(STRING_ERROR_INVALID_PARAM_FORMAT, option);

return 1;

}

dwCreationFlags |= CREATE_SUSPENDED;

}

else if (!_tcsicmp(option, _T("B")))

{

dwCreationFlags &= ~CREATE_NEW_CONSOLE;

dwCreationFlags |= CREATE_NEW_PROCESS_GROUP;

}

else if (!_tcsicmp(option, _T("LOW")))

{

dwCreationFlags |= IDLE_PRIORITY_CLASS;

}

else if (!_tcsicmp(option, _T("NORMAL")))

{

dwCreationFlags |= NORMAL_PRIORITY_CLASS;

}

else if (!_tcsicmp(option, _T("HIGH")))

{

dwCreationFlags |= HIGH_PRIORITY_CLASS;

}

else if (!_tcsicmp(option, _T("REALTIME")))

{

dwCreationFlags |= REALTIME_PRIORITY_CLASS;

}

else if (!_tcsicmp(option, _T("ABOVENORMAL")))

{

dwCreationFlags |= ABOVE_NORMAL_PRIORITY_CLASS;

}

else if (!_tcsicmp(option, _T("BELOWNORMAL")))

{

dwCreationFlags |= BELOW_NORMAL_PRIORITY_CLASS;

}

else if (!_tcsicmp(option, _T("SEPARATE")))

{

dwCreationFlags |= CREATE_SEPARATE_WOW_VDM;

}

else if (!_tcsicmp(option, _T("SHARED")))

{

dwCreationFlags |= CREATE_SHARED_WOW_VDM;

}

else if (!_tcsicmp(option, _T("W")) ||

!_tcsicmp(option, _T("WAIT")))

{

bWait = TRUE;

}

else

{

ConErrResPrintf(STRING_TYPE_ERROR, option);

return 0;

}

else

{

/* It's not an option - must be the beginning of

* the actual command. Leave the loop. */

break;

}

/* get comspec */

comspec = cmd_alloc ( MAX_PATH * sizeof(TCHAR));

if (!comspec)

{

WARN("Cannot allocate memory for start comspec!\n");

error_out_of_memory();

return 1;

}

SetLastError(0);

size = GetEnvironmentVariable (_T("COMSPEC"), comspec, MAX_PATH);

if (GetLastError() == ERROR_ENVVAR_NOT_FOUND)

{

_tcscpy(comspec, _T("cmd"));

}

else

{

if (size > MAX_PATH)

{

LPTSTR Oldcomspec = comspec;

comspec = cmd_realloc(comspec,size * sizeof(TCHAR) );

if (comspec==NULL)

{

cmd_free(Oldcomspec);

return 1;

}

size = GetEnvironmentVariable (_T("COMSPEC"), comspec, size);

}

nErrorLevel = 0;

if (!*Rest)

{

Rest = _T("cmd.exe");

}

else

/* Parsing the command that gets called by start, and it's parameters */

{

BOOL bInside = FALSE;

INT i;

/* find the end of the command and put the arguments in param */

for (i = 0; Rest[i]; i++)

{

if (Rest[i] == _T('\"'))

bInside = !bInside;

if (_istspace(Rest[i]) && !bInside)

{

param = &Rest[i+1];

Rest[i] = _T('\0');

break;

}

_tcscpy(szUnquotedName, Rest);

StripQuotes(szUnquotedName);

/* get the PATH environment variable and parse it */

/* search the PATH environment variable for the binary */

if (SearchForExecutable(szUnquotedName, szFullName))

{

/* check if this is a .BAT or .CMD file */

dot = _tcsrchr(szFullName, _T('.'));

if (dot && (!_tcsicmp(dot, _T(".bat")) || !_tcsicmp(dot, _T(".cmd"))))

{

bBat = TRUE;

_stprintf(szFullCmdLine, _T("\"%s\" /K %s"), comspec, Rest);

TRACE ("[BATCH: %s %s]\n", debugstr_aw(szFullName), debugstr_aw(Rest));

}

else

{

TRACE ("[EXEC: %s %s]\n", debugstr_aw(szFullName), debugstr_aw(Rest));

_tcscpy(szFullCmdLine, szFullName);

}

/* build command line for CreateProcess() */

if (param != NULL)

{

_tcsncat(szFullCmdLine, _T(" "), CMDLINE_LENGTH - _tcslen(szFullCmdLine));

_tcsncat(szFullCmdLine, param, CMDLINE_LENGTH - _tcslen(szFullCmdLine));

}

/* fill startup info */

memset (&stui, 0, sizeof (STARTUPINFO));

stui.cb = sizeof (STARTUPINFO);

stui.dwFlags = STARTF_USESHOWWINDOW;

stui.lpTitle = lpTitle;

stui.wShowWindow = wShowWindow;

bCreate = CreateProcess(bBat ? comspec : szFullName,

szFullCmdLine, NULL, NULL, TRUE, dwCreationFlags,

lpEnvironment, lpDirectory, &stui, &prci);

if (bCreate)

{

if (dwAffinityMask)

{

SetProcessAffinityMask(prci.hProcess, dwAffinityMask);

ResumeThread(prci.hThread);

}

CloseHandle(prci.hThread);

}

else

{

/* The file name did not seem to be valid, but maybe it's actually a

* directory or URL, so we still want to pass it to ShellExecute. */

_tcscpy(szFullName, szUnquotedName);

}

if (!bCreate)

{

/* CreateProcess didn't work; try ShellExecute */

DWORD flags = SEE_MASK_NOCLOSEPROCESS;

if (!(dwCreationFlags & CREATE_NEW_CONSOLE))

flags |= SEE_MASK_NO_CONSOLE;

prci.hProcess = RunFile(flags, szFullName, param, lpDirectory, wShowWindow);

}

if (prci.hProcess != NULL)

{

if (bWait)

{

DWORD dwExitCode;

WaitForSingleObject (prci.hProcess, INFINITE);

GetExitCodeProcess (prci.hProcess, &dwExitCode);

nErrorLevel = (INT)dwExitCode;

}

CloseHandle (prci.hProcess);

/* Update the local code page cache */

{

UINT uNewInputCodePage = GetConsoleCP();

UINT uNewOutputCodePage = GetConsoleOutputCP();

if ((InputCodePage != uNewInputCodePage) ||

(OutputCodePage != uNewOutputCodePage))

{

InputCodePage = uNewInputCodePage;

OutputCodePage = uNewOutputCodePage;

/* Reset the current thread UI language */

if (IsConsoleHandle(ConStreamGetOSHandle(StdOut)) ||

IsConsoleHandle(ConStreamGetOSHandle(StdErr)))

{

ConSetThreadUILanguage(0);

}

/* Update the streams cached code page */

ConStdStreamsSetCacheCodePage(InputCodePage, OutputCodePage);

/* Update the locale as well */

InitLocale();

}

else

{

ErrorMessage(GetLastError (),

_T("Error executing CreateProcess()!!\n"));

}

cmd_free(comspec);

return 0;

}

#endif

/* EOF */