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[CMD] Don't reset bCtrlBreak too early.

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This allows to break commands such as:

C:\ReactOS\system32> for %f in (*.*) do dir

as one would expect: stop the currently running 'dir' and the 'for'.
"bCtrlBreak" doesn't need to be volatile too.
This commit is contained in:
Hermès Bélusca-Maïto 2018-04-29 00:53:49 +02:00
parent 6dd27bd467
commit a3b36f8d3e
No known key found for this signature in database
GPG key ID: 3B2539C65E7B93D0
3 changed files with 14 additions and 7 deletions
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7
base/shell/cmd/cmd.c
View file

@ -151,7 +151,7 @@ typedef NTSTATUS (WINAPI *NtReadVirtualMemoryProc)(HANDLE, PVOID, PVOID, ULONG,
BOOL bExit = FALSE; /* indicates EXIT was typed */
BOOL bCanExit = TRUE; /* indicates if this shell is exitable */
volatile BOOL bCtrlBreak = FALSE; /* Ctrl-Break or Ctrl-C hit */
BOOL bCtrlBreak = FALSE; /* Ctrl-Break or Ctrl-C hit */
BOOL bIgnoreEcho = FALSE; /* Set this to TRUE to prevent a newline, when executing a command */
static BOOL bWaitForCommand = FALSE; /* When we are executing something passed on the commandline after /c or /k */
INT nErrorLevel = 0; /* Errorlevel of last launched external program */
@ -1448,6 +1448,9 @@ ProcessInput(VOID)
while (!bCanExit || !bExit)
{
/* Reset the Ctrl-Break / Ctrl-C state */
bCtrlBreak = FALSE;
Cmd = ParseCommand(NULL);
if (!Cmd)
continue;
@ -1500,7 +1503,7 @@ BOOL WINAPI BreakHandler(DWORD dwCtrlType)
/* FIXME: Handle batch files */
//ConOutPrintf(_T("^C"));
// ConOutPrintf(_T("^C"));
return TRUE;
}

2
base/shell/cmd/cmd.h
View file

@ -47,7 +47,7 @@
extern LPTSTR lpOriginalEnvironment;
extern WORD wColor;
extern WORD wDefColor;
extern volatile BOOL bCtrlBreak;
extern BOOL bCtrlBreak;
extern BOOL bIgnoreEcho;
extern BOOL bExit;
extern BOOL bDisableBatchEcho;

12
base/shell/cmd/misc.c
View file

@ -129,7 +129,7 @@ VOID GetPathCase( TCHAR * Path, TCHAR * OutPath)
* Check if Ctrl-Break was pressed during the last calls
*/
BOOL CheckCtrlBreak (INT mode)
BOOL CheckCtrlBreak(INT mode)
{
static BOOL bLeaveAll = FALSE; /* leave all batch files */
TCHAR options[4]; /* Yes, No, All */
@ -138,10 +138,11 @@ BOOL CheckCtrlBreak (INT mode)
switch (mode)
{
case BREAK_OUTOFBATCH:
bLeaveAll = 0;
bLeaveAll = FALSE;
return FALSE;
case BREAK_BATCHFILE:
{
if (bLeaveAll)
return TRUE;
@ -160,11 +161,15 @@ BOOL CheckCtrlBreak (INT mode)
ConOutChar(_T('\n'));
if (c == options[1])
return bCtrlBreak = FALSE; /* ignore */
{
bCtrlBreak = FALSE; /* ignore */
return FALSE;
}
/* leave all batch files */
bLeaveAll = ((c == options[2]) || (c == _T('\3')));
break;
}
case BREAK_INPUT:
if (!bCtrlBreak)
@ -173,7 +178,6 @@ BOOL CheckCtrlBreak (INT mode)
}
/* state processed */
bCtrlBreak = FALSE;
return TRUE;
}