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Change the order of several items to ensure that

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top can work without a termcap "li" capability.
Fixes PR 34717 by der Mouse.
This commit is contained in:
apb 2006-10-09 19:49:51 +00:00
parent 0a24df9523
commit 5e0e754292
1 changed files with 24 additions and 21 deletions
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45
usr.bin/top/screen.c
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@ -1,4 +1,4 @@
/* $NetBSD: screen.c,v 1.8 2003/06/23 13:05:53 agc Exp $ */
/* $NetBSD: screen.c,v 1.9 2006/10/09 19:49:51 apb Exp $ */
/*
* Top users/processes display for Unix
@ -39,7 +39,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: screen.c,v 1.8 2003/06/23 13:05:53 agc Exp $");
__RCSID("$NetBSD: screen.c,v 1.9 2006/10/09 19:49:51 apb Exp $");
#endif
#include "os.h"
@ -174,21 +174,30 @@ int interactive;
return;
}
/* set up common terminal capabilities */
if ((screen_length = t_getnum(info, "li")) <= 0)
/* set screen_width and screen_length from an ioctl, if possible. */
get_screensize();
/* get size from terminal capabilities if not yet set properly. */
/* screen_width is a little different */
if (screen_width < 0)
{
screen_length = smart_terminal = 0;
return;
if ((screen_width = t_getnum(info, "co")) == -1)
{
screen_width = 79;
}
else
{
screen_width -= 1;
}
}
/* screen_width is a little different */
if ((screen_width = t_getnum(info, "co")) == -1)
if (screen_length <= 0)
{
screen_width = 79;
}
else
{
screen_width -= 1;
if ((screen_length = t_getnum(info, "li")) <= 0)
{
screen_length = smart_terminal = 0;
return;
}
}
/* terminals that overstrike need special attention */
@ -221,12 +230,8 @@ int interactive;
/* set convenience strings */
home[0] = '\0';
t_goto(info, cursor_motion, 0, 0, home, 14);
/* (lower_left is set in get_screensize) */
/* get the actual screen size with an ioctl, if needed */
/* This may change screen_width and screen_length, and it always
sets lower_left. */
get_screensize();
lower_left[0] = '\0';
t_goto(info, cursor_motion, 0, screen_length - 1, lower_left, 14);
/* if stdout is not a terminal, pretend we are a dumb terminal */
#ifdef SGTTY
@ -439,8 +444,6 @@ get_screensize()
#endif /* TIOCGSIZE */
#endif /* TIOCGWINSZ */
lower_left[0] = '\0';
t_goto(info, cursor_motion, 0, screen_length - 1, lower_left, 14);
}
void