WindowsXP/Source/XPSP1/NT/sdktools/ws/ws.c
2024-08-03 16:30:48 +02:00

126 lines
3.1 KiB
C

/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
ws.c
Abstract:
Utility program to set both the console window size and buffer size.
Author:
Steve Wood (stevewo) 01-Feb-1992
Revision History:
--*/
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <string.h>
void
Usage()
{
printf("Usage: ws [-w WindowColumns,WindowRows][-b BufferColumns,BufferRows]\n");
exit(1);
}
__cdecl main( argc, argv )
int argc;
char *argv[];
{
int i;
char *s;
HANDLE ScreenHandle;
DWORD WindowRows,WindowColumns;
DWORD BufferRows,BufferColumns;
COORD BufferSize;
CONSOLE_SCREEN_BUFFER_INFO sbi;
SMALL_RECT WindowSize;
COORD LargestScreenSize;
USHORT MaxRows;
USHORT MaxCols;
ScreenHandle = GetStdHandle(STD_OUTPUT_HANDLE);
if (!GetConsoleScreenBufferInfo( ScreenHandle, &sbi )) {
fprintf( stderr, "WS: Unable to read current console mode.\n" );
exit( 1 );
}
BufferRows = sbi.dwSize.Y;
BufferColumns = sbi.dwSize.X;
WindowRows = sbi.srWindow.Bottom - sbi.srWindow.Top + 1;
WindowColumns = sbi.srWindow.Right - sbi.srWindow.Left + 1;
LargestScreenSize = GetLargestConsoleWindowSize( ScreenHandle );
try {
for (i=1; i<argc; i++) {
s = argv[ i ];
if (*s == '-' || *s == '/') {
s++;
switch( tolower( *s ) ) {
//
// Set window size
//
case 'w':
if (sscanf( argv[++i], "%d,%d", &WindowColumns, &WindowRows ) != 2) {
printf("Invalid usage\n");
Usage();
}
break;
//
// Set buffer size
//
case 'b':
if (sscanf( argv[++i], "%d,%d", &BufferColumns, &BufferRows ) != 2) {
printf("Invalid usage\n");
Usage();
}
break;
default:
Usage();
}
}
else {
printf( "Error - argv[ %u ]: %s\n", i, argv[ i ] );
Usage();
}
}
}
except ( EXCEPTION_EXECUTE_HANDLER ) {
Usage();
}
MaxRows = (USHORT)min( (int)WindowRows, (int)(sbi.dwSize.Y) );
MaxRows = (USHORT)min( (int)MaxRows, (int)LargestScreenSize.Y );
MaxCols = (USHORT)min( (int)WindowColumns, (int)(sbi.dwSize.X) );
MaxCols = (USHORT)min( (int)MaxCols, (int)LargestScreenSize.X );
WindowSize.Top = 0;
WindowSize.Left = 0;
WindowSize.Bottom = MaxRows - (SHORT)1;
WindowSize.Right = MaxCols - (SHORT)1;
SetConsoleWindowInfo( ScreenHandle, TRUE, &WindowSize );
BufferSize.X = (SHORT)BufferColumns;
BufferSize.Y = (SHORT)BufferRows;
SetConsoleScreenBufferSize( ScreenHandle, BufferSize );
printf( "WS -w %d,%d -b %d,%d\n", MaxCols, MaxRows, BufferColumns, BufferRows );
return( 0 );
}