Calculate the screen size correctly.  Allow a file name input.

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;
 }