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Date:      Fri, 20 Feb 1998 01:00:01 +0000
From:      "V Edward Gold, Jr." <vegold01@starbase.spd.louisville.edu>
To:        freebsd-current@FreeBSD.ORG
Subject:   problems with XView and FreeBSD
Message-ID:  <34ECD591.41C67EA6@starbase.spd.louisville.edu>
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[-- Attachment #1 --]
I just recently started playing with an application that was written 
originally on SunOS 4.1.3 and I ported it to FreeBSD 2.2.1 and
everything was fine.  I upgraded to 3.0 and now I experience problems
apparently caused by using the notify_do_dispatch() call and ANY
subsequent file I/O.  I went ahead and attached the sample program that
demonstrates this oddity, in case anyone wants to help me locate its
source/cure.  I compile it as follows:
gcc -o main main.c -I/usr/X11R6/include -g -L/usr/X11R6/lib -lxview
\        -lX11 -lolgx


Any help would be appreciated!

Ed

[-- Attachment #2 --]
#include <stdio.h>
#include <stdlib.h>

#include <xview/xview.h>
#include <xview/canvas.h>
#include <xview/panel.h>
#include <xview/cms.h>
#include <xview/notice.h>
#include <xview/tty.h>
#include <xview/termsw.h>
#include <xview/cursor.h>
#include <xview/xv_xrect.h>

#define TEXT_HEIGHT             ( 200 )
#define TEXT_WIDTH              ( 800 )
#define BUTTON_HEIGHT           ( 40 )
#define MAX_SCRIPT_LEVELS	( 20 )

/******************************************************************************/
/***                       Global XWindow Structures                        ***/
/******************************************************************************/

typedef struct
{
   int          frame_height;
   int          frame_width;
   Frame        frame;
   Display      *display;
   Panel        panel;
   Xv_window    window;
   Tty          tty;
   int          tty_fd;
} WinEnv;

WinEnv      BaseWin;

main( int argc, char **argv )
{
   char msg[1024], prompt[1024], **cmd_word;
   int  i, status;

   BaseWin.frame_height = 512;
   BaseWin.frame_width  = 512;

   xv_init( XV_INIT_ARGC_PTR_ARGV, &argc, argv, 0 );

   BaseWin.frame = xv_create( (Xv_opaque) NULL, FRAME,
      FRAME_LABEL, "XImgEdit Version 1.1, January 1997",
      XV_SHOW, TRUE,
      FRAME_SHOW_LABEL, TRUE,
      FRAME_INHERIT_COLORS, TRUE,
      FRAME_SHOW_FOOTER, TRUE,
      FRAME_LEFT_FOOTER, "Copyright (c) 1997",
      WIN_ERROR_MSG, "Error creating base frame!",
      XV_WIDTH, TEXT_WIDTH,
      XV_HEIGHT, TEXT_HEIGHT + BUTTON_HEIGHT,
      0 );

   BaseWin.display = (Display *) xv_get( BaseWin.frame, XV_DISPLAY );

   XFlush( BaseWin.display );
 
   BaseWin.tty = xv_create( BaseWin.frame, TERMSW,
      WIN_INHERIT_COLORS, TRUE,
      TTY_ARGV, TTY_ARGV_DO_NOT_FORK,
      WIN_X, 0,
      WIN_Y, BUTTON_HEIGHT,
      NULL );
 
   xv_set( BaseWin.tty, 
      WIN_CONSUME_EVENTS,
         WIN_NO_EVENTS,
         LOC_WINENTER,
         LOC_WINEXIT, 
         NULL,
      NULL );
 
   window_fit_width( BaseWin.frame );
 
   BaseWin.tty_fd = (int) xv_get( BaseWin.tty, TTY_TTY_FD );
   dup2( BaseWin.tty_fd, fileno( stdout ) );
   dup2( BaseWin.tty_fd, fileno( stdin ) );

   BaseWin.panel = xv_create( BaseWin.frame, PANEL,
      XV_HEIGHT, BUTTON_HEIGHT,
      WIN_X, 0,
      WIN_Y, 0,
      0 );

   notify_do_dispatch();

   printf( "\nYour Prompt Here!\n" );

   /*** I default your prompt to ";", but you can change it ***/
   strcpy( prompt, ";" );

   while( 1 )
   {
      char cmd_buffer[1024];
      sprintf( msg, prompt );
      write( fileno( stdout ), msg, strlen( msg ) );
      fflush( stdout );
      while( read( fileno(stdin), sizeof(cmd_buffer), cmd_buffer ) != 0 );
   }

   free( cmd_word );
}

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