d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

top(1): unconditionally assume we are on FreeBSD (more unifdef)

Browse Source 
Now that we're our own upstream, remove useless ifdefs.
This commit is contained in:
Eitan Adler 2018-05-20 18:11:58 +00:00
parent cebbed43bb
commit f11066efb1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=333932
1 changed files with 0 additions and 143 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

143
usr.bin/top/screen.c
View File

@ -24,27 +24,8 @@
#include <sys/ioctl.h>
#include <string.h>
#ifdef CBREAK
# include <sgtty.h>
# define SGTTY
#else
# ifdef TCGETA
# define TERMIO
# include <termio.h>
# else
# define TERMIOS
# include <termios.h>
# endif
#endif
#if defined(TERMIO) || defined(TERMIOS)
# ifndef TAB3
# ifdef OXTABS
# define TAB3 OXTABS
# else
# define TAB3 0
# endif
# endif
#endif
#include <curses.h>
#include <termcap.h>
#include "screen.h"
@ -75,23 +56,11 @@ char *end_standout;
char *terminal_init;
char *terminal_end;
#ifdef SGTTY
static struct sgttyb old_settings;
static struct sgttyb new_settings;
#endif
#ifdef TERMIO
static struct termio old_settings;
static struct termio new_settings;
#endif
#ifdef TERMIOS
static struct termios old_settings;
static struct termios new_settings;
#endif
static char is_a_terminal = No;
#ifdef TOStop
static int old_lword;
static int new_lword;
#endif
#define STDIN 0
#define STDOUT 1
@ -217,24 +186,10 @@ int interactive;
get_screensize();
/* if stdout is not a terminal, pretend we are a dumb terminal */
#ifdef SGTTY
if (ioctl(STDOUT, TIOCGETP, &old_settings) == -1)
{
smart_terminal = No;
}
#endif
#ifdef TERMIO
if (ioctl(STDOUT, TCGETA, &old_settings) == -1)
{
smart_terminal = No;
}
#endif
#ifdef TERMIOS
if (tcgetattr(STDOUT, &old_settings) == -1)
{
smart_terminal = No;
}
#endif
}
void
@ -242,61 +197,6 @@ init_screen()
{
/* get the old settings for safe keeping */
#ifdef SGTTY
if (ioctl(STDOUT, TIOCGETP, &old_settings) != -1)
{
/* copy the settings so we can modify them */
new_settings = old_settings;
/* turn on CBREAK and turn off character echo and tab expansion */
new_settings.sg_flags |= CBREAK;
new_settings.sg_flags &= ~(ECHO|XTABS);
(void) ioctl(STDOUT, TIOCSETP, &new_settings);
/* remember the erase and kill characters */
ch_erase = old_settings.sg_erase;
ch_kill = old_settings.sg_kill;
#ifdef TOStop
/* get the local mode word */
(void) ioctl(STDOUT, TIOCLGET, &old_lword);
/* modify it */
new_lword = old_lword | LTOSTOP;
(void) ioctl(STDOUT, TIOCLSET, &new_lword);
#endif
/* remember that it really is a terminal */
is_a_terminal = Yes;
/* send the termcap initialization string */
putcap(terminal_init);
}
#endif
#ifdef TERMIO
if (ioctl(STDOUT, TCGETA, &old_settings) != -1)
{
/* copy the settings so we can modify them */
new_settings = old_settings;
/* turn off ICANON, character echo and tab expansion */
new_settings.c_lflag &= ~(ICANON|ECHO);
new_settings.c_oflag &= ~(TAB3);
new_settings.c_cc[VMIN] = 1;
new_settings.c_cc[VTIME] = 0;
(void) ioctl(STDOUT, TCSETA, &new_settings);
/* remember the erase and kill characters */
ch_erase = old_settings.c_cc[VERASE];
ch_kill = old_settings.c_cc[VKILL];
/* remember that it really is a terminal */
is_a_terminal = Yes;
/* send the termcap initialization string */
putcap(terminal_init);
}
#endif
#ifdef TERMIOS
if (tcgetattr(STDOUT, &old_settings) != -1)
{
/* copy the settings so we can modify them */
@ -319,7 +219,6 @@ init_screen()
/* send the termcap initialization string */
putcap(terminal_init);
}
#endif
if (!is_a_terminal)
{
@ -344,18 +243,7 @@ end_screen()
/* if we have settings to reset, then do so */
if (is_a_terminal)
{
#ifdef SGTTY
(void) ioctl(STDOUT, TIOCSETP, &old_settings);
#ifdef TOStop
(void) ioctl(STDOUT, TIOCLSET, &old_lword);
#endif
#endif
#ifdef TERMIO
(void) ioctl(STDOUT, TCSETA, &old_settings);
#endif
#ifdef TERMIOS
(void) tcsetattr(STDOUT, TCSADRAIN, &old_settings);
#endif
}
}
@ -366,18 +254,7 @@ reinit_screen()
/* install our settings if it is a terminal */
if (is_a_terminal)
{
#ifdef SGTTY
(void) ioctl(STDOUT, TIOCSETP, &new_settings);
#ifdef TOStop
(void) ioctl(STDOUT, TIOCLSET, &new_lword);
#endif
#endif
#ifdef TERMIO
(void) ioctl(STDOUT, TCSETA, &new_settings);
#endif
#ifdef TERMIOS
(void) tcsetattr(STDOUT, TCSADRAIN, &new_settings);
#endif
}
/* send init string */
@ -392,7 +269,6 @@ get_screensize()
{
#ifdef TIOCGWINSZ
struct winsize ws;
@ -408,25 +284,6 @@ get_screensize()
}
}
#else
#ifdef TIOCGSIZE
struct ttysize ts;
if (ioctl (1, TIOCGSIZE, &ts) != -1)
{
if (ts.ts_lines != 0)
{
screen_length = ts.ts_lines;
}
if (ts.ts_cols != 0)
{
screen_width = ts.ts_cols - 1;
}
}
#endif /* TIOCGSIZE */
#endif /* TIOCGWINSZ */
(void) strncpy(lower_left, tgoto(cursor_motion, 0, screen_length - 1),
sizeof(lower_left) - 1);