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Make cmd able to (sort of) work without a console.

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svn path=/trunk/; revision=40289
This commit is contained in:
Jeffrey Morlan 2009-03-29 19:17:45 +00:00
parent c233cfcaf8
commit c1ff41171d
4 changed files with 50 additions and 17 deletions
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21
reactos/base/shell/cmd/cmd.c
View file

@ -164,7 +164,6 @@ DWORD dwChildProcessId = 0;
OSVERSIONINFO osvi;
HANDLE hIn;
HANDLE hOut;
HANDLE hConsole;
LPTSTR lpOriginalEnvironment;
HANDLE CMD_ModuleHandle;
@ -1380,7 +1379,12 @@ ReadLine (TCHAR *commandline, BOOL bMore)
}
}
ReadCommand (readline, CMDLINE_LENGTH - 1);
if (!ReadCommand(readline, CMDLINE_LENGTH - 1))
{
bExit = TRUE;
return FALSE;
}
if (CheckCtrlBreak(BREAK_INPUT))
{
ConOutPuts(_T("\n"));
@ -1805,6 +1809,7 @@ static VOID Cleanup()
*/
int cmd_main (int argc, const TCHAR *argv[])
{
HANDLE hConsole;
TCHAR startPath[MAX_PATH];
CONSOLE_SCREEN_BUFFER_INFO Info;
INT nExitCode;
@ -1821,12 +1826,16 @@ int cmd_main (int argc, const TCHAR *argv[])
hConsole = CreateFile(_T("CONOUT$"), GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, 0, NULL);
if (GetConsoleScreenBufferInfo(hConsole, &Info) == FALSE)
if (hConsole != INVALID_HANDLE_VALUE)
{
ConErrFormatMessage(GetLastError());
return(1);
if (!GetConsoleScreenBufferInfo(hConsole, &Info))
{
ConErrFormatMessage(GetLastError());
return(1);
}
wDefColor = Info.wAttributes;
CloseHandle(hConsole);
}
wDefColor = Info.wAttributes;
InputCodePage= GetConsoleCP();
OutputCodePage = GetConsoleOutputCP();

3
reactos/base/shell/cmd/cmd.h
View file

@ -53,7 +53,6 @@
/* global variables */
extern HANDLE hOut;
extern HANDLE hIn;
extern HANDLE hConsole;
extern LPTSTR lpOriginalEnvironment;
extern WORD wColor;
extern WORD wDefColor;
@ -120,7 +119,7 @@ extern HANDLE CMD_ModuleHandle;
/* Prototypes for CMDINPUT.C */
VOID ReadCommand (LPTSTR, INT);
BOOL ReadCommand (LPTSTR, INT);
/* Prototypes for CMDTABLE.C */

31
reactos/base/shell/cmd/cmdinput.c
View file

@ -126,8 +126,9 @@ ClearCommandLine (LPTSTR str, INT maxlen, SHORT orgx, SHORT orgy)
/* read in a command line */
VOID ReadCommand (LPTSTR str, INT maxlen)
BOOL ReadCommand (LPTSTR str, INT maxlen)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
SHORT orgx; /* origin x/y */
SHORT orgy;
SHORT curx; /*current x/y cursor position*/
@ -149,11 +150,30 @@ VOID ReadCommand (LPTSTR str, INT maxlen)
TCHAR PreviousChar;
#endif
/* get screen size */
GetScreenSize (&maxx, &maxy);
if (!GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi))
{
/* No console */
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
DWORD dwRead;
CHAR chr;
do
{
if (!ReadFile(hStdin, &chr, 1, &dwRead, NULL) || !dwRead)
return FALSE;
#ifdef _UNICODE
MultiByteToWideChar(InputCodePage, 0, &chr, 1, &str[charcount++], 1);
#endif
} while (chr != '\n' && charcount < maxlen);
str[charcount] = _T('\0');
return TRUE;
}
GetCursorXY (&orgx, &orgy);
GetCursorXY (&curx, &cury);
/* get screen size */
maxx = csbi.dwSize.X;
maxy = csbi.dwSize.Y;
curx = orgx = csbi.dwCursorPosition.X;
cury = orgy = csbi.dwCursorPosition.Y;
memset (str, 0, maxlen * sizeof (TCHAR));
@ -590,4 +610,5 @@ VOID ReadCommand (LPTSTR str, INT maxlen)
/* expand all aliases */
ExpandAlias (str, maxlen);
#endif /* FEATURE_ALIAS */
return TRUE;
}

12
reactos/base/shell/cmd/console.c
View file

@ -413,7 +413,7 @@ VOID GetCursorXY (PSHORT x, PSHORT y)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo (hConsole, &csbi);
GetConsoleScreenBufferInfo (GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
*x = csbi.dwCursorPosition.X;
*y = csbi.dwCursorPosition.Y;
@ -424,7 +424,7 @@ SHORT GetCursorX (VOID)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo (hConsole, &csbi);
GetConsoleScreenBufferInfo (GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
return csbi.dwCursorPosition.X;
}
@ -434,7 +434,7 @@ SHORT GetCursorY (VOID)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo (hConsole, &csbi);
GetConsoleScreenBufferInfo (GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
return csbi.dwCursorPosition.Y;
}
@ -444,7 +444,11 @@ VOID GetScreenSize (PSHORT maxx, PSHORT maxy)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo (hConsole, &csbi);
if (!GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi))
{
csbi.dwSize.X = 80;
csbi.dwSize.Y = 25;
}
if (maxx)
*maxx = csbi.dwSize.X;