Some dos VGA error handling. Misc TRACE changes.

dlls/winedos/int10.c

@@ -769,7 +769,8 @@ static void scroll_window(int direction, char lines, char row1,
 {
    if (!lines) /* Actually, clear the window */
    {
-       VGA_ClearText(row1, col1, row2, col2, attribute);
+       if(!VGA_ClearText(row1, col1, row2, col2, attribute))
+            ERR("VGA_ClearText failed!\n");
    }
    else if (direction == SCROLL_UP)
    {
@@ -792,7 +793,7 @@ void WINAPI DOSVM_PutChar(BYTE ascii)
   BIOSDATA *data = DOSMEM_BiosData();
   unsigned  xpos, ypos;
 
-  TRACE("char: 0x%02x\n", ascii);
+  TRACE("char: 0x%02x(%c)\n", ascii, ascii);
 
   VGA_PutChar(ascii);
   VGA_GetCursorPos(&xpos, &ypos);

dlls/winedos/vga.c

@@ -549,12 +549,17 @@ int VGA_SetAlphaMode(unsigned Xres,unsigned Yres)
     return 0;
 }
 
-void VGA_GetAlphaMode(unsigned*Xres,unsigned*Yres)
+BOOL VGA_GetAlphaMode(unsigned*Xres,unsigned*Yres)
 {
     CONSOLE_SCREEN_BUFFER_INFO info;
-    GetConsoleScreenBufferInfo(VGA_AlphaConsole(),&info);
-    if (Xres) *Xres=info.dwSize.X;
-    if (Yres) *Yres=info.dwSize.Y;
+    if(!GetConsoleScreenBufferInfo(VGA_AlphaConsole(),&info))
+    {
+        return FALSE;
+    } else {
+        if (Xres) *Xres=info.dwSize.X;
+        if (Yres) *Yres=info.dwSize.Y;
+        return TRUE;
+    }
 }
 
 void VGA_SetCursorShape(unsigned char start_options, unsigned char end)
@@ -697,7 +702,7 @@ void VGA_SetTextAttribute(BYTE attr)
     SetConsoleTextAttribute(VGA_AlphaConsole(), attr);
 }
 
-void VGA_ClearText(unsigned row1, unsigned col1,
+BOOL VGA_ClearText(unsigned row1, unsigned col1,
                   unsigned row2, unsigned col2,
                   BYTE attr)
 {
@@ -705,7 +710,15 @@ void VGA_ClearText(unsigned row1, unsigned col1,
     COORD off;
     char *dat = VGA_AlphaBuffer();
     HANDLE con = VGA_AlphaConsole();
-    VGA_GetAlphaMode(&width, &height);
+
+    /* return if we fail to get the height and width of the window */
+    if(!VGA_GetAlphaMode(&width, &height))
+    {
+        ERR("failed\n");
+        return FALSE;
+    }
+
+    TRACE("dat = %p, width = %d, height = %d\n", dat, width, height);
 
     EnterCriticalSection(&vga_lock);
 
@@ -723,6 +736,8 @@ void VGA_ClearText(unsigned row1, unsigned col1,
     }
 
     LeaveCriticalSection(&vga_lock);
+
+    return TRUE;
 }
 
 void VGA_ScrollUpText(unsigned row1, unsigned col1,

dlls/winedos/vga.h

@@ -39,14 +39,14 @@ void VGA_Unlock(void);
 
 /* text mode */
 int VGA_SetAlphaMode(unsigned Xres,unsigned Yres);
-void VGA_GetAlphaMode(unsigned*Xres,unsigned*Yres);
+BOOL VGA_GetAlphaMode(unsigned*Xres,unsigned*Yres);
 void VGA_SetCursorShape(unsigned char start_options,unsigned char end);
 void VGA_SetCursorPos(unsigned X,unsigned Y);
 void VGA_GetCursorPos(unsigned*X,unsigned*Y);
 void VGA_WriteChars(unsigned X,unsigned Y,unsigned ch,int attr,int count);
 void VGA_PutChar(BYTE ascii);
 void VGA_SetTextAttribute(BYTE attr);
-void VGA_ClearText(unsigned row1, unsigned col1,
+BOOL VGA_ClearText(unsigned row1, unsigned col1,
                   unsigned row2, unsigned col2,
                   BYTE attr);
 void VGA_ScrollUpText(unsigned row1, unsigned col1,

dlls/winmm/winearts/audio.c

@@ -58,9 +58,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(wave);
 
-/* Allow 1% deviation for sample rates (some ES137x cards) */
-#define NEAR_MATCH(rate1,rate2) (((100*((int)(rate1)-(int)(rate2)))/(rate1))==0)
-
 #ifdef HAVE_ARTS
 
 #include <artsc.h>

win32/console.c

@@ -758,13 +758,18 @@ BOOL WINAPI GetConsoleMode(HANDLE hcon, LPDWORD mode)
  * RETURNS
  *    Success: TRUE
  *    Failure: FALSE
+ *
+ *    mode:
+ *      ENABLE_PROCESSED_INPUT	0x01
+ *      ENABLE_LINE_INPUT	0x02
+ *      ENABLE_ECHO_INPUT	0x04
+ *      ENABLE_WINDOW_INPUT	0x08
+ *      ENABLE_MOUSE_INPUT	0x10
  */
 BOOL WINAPI SetConsoleMode(HANDLE hcon, DWORD mode)
 {
     BOOL ret;
 
-    TRACE("(%x,%lx)\n", hcon, mode);
-
     SERVER_START_REQ(set_console_mode)
     {
 	req->handle = hcon;
@@ -775,6 +780,9 @@ BOOL WINAPI SetConsoleMode(HANDLE hcon, DWORD mode)
     /* FIXME: when resetting a console input to editline mode, I think we should
      * empty the S_EditString buffer
      */
+
+    TRACE("(%x,%lx) retval == %d\n", hcon, mode, ret);
+
     return ret;
 }