[turner] 18776: Calculate the screen size correctly. Allow a file name input.

Calculate the screen size correctly.  Allow a file name input.
Modified: trunk/rosapps/cmdutils/more/more.c
  _____

Modified: trunk/rosapps/cmdutils/more/more.c
--- trunk/rosapps/cmdutils/more/more.c	2005-10-25 19:54:15 UTC (rev
18775)
+++ trunk/rosapps/cmdutils/more/more.c	2005-10-26 12:47:22 UTC (rev
18776)
@@ -15,7 +15,7 @@

DWORD len;
-LPTSTR msg = "--- continue ---";
+LPTSTR msg = _T("--- continue ---");

/*handle for file and console*/
@@ -31,8 +31,8 @@
    CONSOLE_SCREEN_BUFFER_INFO csbi;

GetConsoleScreenBufferInfo (hStdOut, &csbi);
-		*maxx = csbi.srWindow.Right;
-		*maxy = csbi.srWindow.Bottom;
+		*maxx = (csbi.srWindow.Right - csbi.srWindow.Left) + 1;
+		*maxy = (csbi.srWindow.Bottom  - csbi.srWindow.Top) - 4;

}

@@ -85,6 +85,8 @@
    SHORT maxx,maxy;
    SHORT line_count=0,ch_count=0;
    INT i, last;
+	HANDLE hFile = INVALID_HANDLE_VALUE;
+	TCHAR szFullPath[MAX_PATH];

/*reading/writing buffer*/
    TCHAR *buff;
@@ -106,18 +108,32 @@
    	return 0;
    }

-	hKeyboard = CreateFile ("CONIN$", GENERIC_READ,
+	hKeyboard = CreateFile (_T("CONIN$"), GENERIC_READ,
                            0,NULL,OPEN_ALWAYS,0,0);

GetScreenSize(&maxx,&maxy);

buff=malloc(4096);

-	FlushConsoleInputBuffer (hKeyboard);
+	FlushConsoleInputBuffer (hKeyboard);

+	if(argc > 1)
+	{
+		GetFullPathName(argv[1], MAX_PATH, szFullPath, NULL);
+		hFile = CreateFile (szFullPath, GENERIC_READ,
+	                        0,NULL,OPEN_ALWAYS,0,0);
+	}
+
    do
    {
-		bRet = ReadFile(hStdIn,buff,4096,&dwRead,NULL);
+		if(hFile != INVALID_HANDLE_VALUE)
+		{			
+			bRet = ReadFile(hFile,buff,4096,&dwRead,NULL);
+		}
+		else
+		{
+			bRet = ReadFile(hStdIn,buff,4096,&dwRead,NULL);
+		}

for(last=i=0;i<dwRead && bRet;i++)
    	{
@@ -144,6 +160,7 @@

free (buff);
    CloseHandle (hKeyboard);
+	CloseHandle (hFile);

return 0;
 }