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(svn r6449) -Fix (Win32): The dedicated server could overwrite the keyboard input buffer

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before it was handled by OpenTTD. Thanks to glx for noticing.
-While here, also do really minor coding style, and proper variable names.
This commit is contained in:
Darkvater 2006-09-14 20:40:59 +00:00
parent 8c32826088
commit 2d329463bf
1 changed files with 21 additions and 19 deletions
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40
video/dedicated_v.c
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@ -64,8 +64,8 @@ static void DedicatedSignalHandler(int sig)
#include <windows.h> /* GetTickCount */
#include <conio.h>
#include <time.h>
static HANDLE hEvent;
static HANDLE hThread; // Thread to close
static HANDLE _hInputReady, _hWaitForInputHandling;
static HANDLE _hThread; // Thread to close
static char _win_console_thread_buffer[200];
/* Windows Console thread. Just loop and signal when input has been received */
@ -73,30 +73,32 @@ static void WINAPI CheckForConsoleInput(void)
{
while (true) {
fgets(_win_console_thread_buffer, lengthof(_win_console_thread_buffer), stdin);
SetEvent(hEvent); // signal input waiting that the line is ready
/* Signal input waiting that input is read and wait for it being handled
* SignalObjectAndWait() should be used here, but it's unsupported in Win98< */
SetEvent(_hInputReady);
WaitForSingleObject(_hWaitForInputHandling, INFINITE);
}
}
static void CreateWindowsConsoleThread(void)
{
static char tbuffer[9];
DWORD dwThreadId;
/* Create event to signal when console input is ready */
hEvent = CreateEvent(NULL, false, false, _strtime(tbuffer));
if (hEvent == NULL)
error("Cannot create console event!");
_hInputReady = CreateEvent(NULL, false, false, NULL);
_hWaitForInputHandling = CreateEvent(NULL, false, false, NULL);
if (_hInputReady == NULL || _hWaitForInputHandling == NULL) error("Cannot create console event!");
hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CheckForConsoleInput, NULL, 0, &dwThreadId);
if (hThread == NULL)
error("Cannot create console thread!");
_hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CheckForConsoleInput, NULL, 0, &dwThreadId);
if (_hThread == NULL) error("Cannot create console thread!");
DEBUG(driver, 1) ("Windows console thread started...");
}
static void CloseWindowsConsoleThread(void)
{
CloseHandle(hThread);
CloseHandle(hEvent);
CloseHandle(_hThread);
CloseHandle(_hInputReady);
CloseHandle(_hWaitForInputHandling);
DEBUG(driver, 1) ("Windows console thread shut down...");
}
@ -174,7 +176,7 @@ static uint32 GetTime(void)
static bool InputWaiting(void)
{
return WaitForSingleObject(hEvent, 1) == WAIT_OBJECT_0;
return WaitForSingleObject(_hInputReady, 1) == WAIT_OBJECT_0;
}
static uint32 GetTime(void)
@ -188,16 +190,16 @@ static void DedicatedHandleKeyInput(void)
{
static char input_line[200] = "";
if (!InputWaiting())
return;
if (!InputWaiting()) return;
if (_exit_game)
return;
if (_exit_game) return;
#if defined(UNIX) || defined(__OS2__)
fgets(input_line, lengthof(input_line), stdin);
fgets(input_line, lengthof(input_line), stdin);
#else
strncpy(input_line, _win_console_thread_buffer, lengthof(input_line));
/* Handle console input, and singal console thread, it can accept input again */
strncpy(input_line, _win_console_thread_buffer, lengthof(input_line));
SetEvent(_hWaitForInputHandling);
#endif
/* XXX - strtok() does not 'forget' \n\r if it is the first character! */