mirror of
https://git.busybox.net/busybox.git
synced 2024-11-24 22:23:25 +08:00
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini ps implementation(s) for busybox
|
|
*
|
|
* Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
|
|
* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the Free
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
|
|
* Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
#include <termios.h>
|
|
#include <sys/ioctl.h>
|
|
#include "busybox.h"
|
|
|
|
static const int TERMINAL_WIDTH = 79; /* not 80 in case terminal has linefold bug */
|
|
|
|
|
|
|
|
extern int ps_main(int argc, char **argv)
|
|
{
|
|
procps_status_t * p;
|
|
int i, len;
|
|
#ifdef CONFIG_FEATURE_AUTOWIDTH
|
|
struct winsize win = { 0, 0, 0, 0 };
|
|
int terminal_width = TERMINAL_WIDTH;
|
|
#else
|
|
#define terminal_width TERMINAL_WIDTH
|
|
#endif
|
|
|
|
|
|
#ifdef CONFIG_FEATURE_AUTOWIDTH
|
|
ioctl(fileno(stdout), TIOCGWINSZ, &win);
|
|
if (win.ws_col > 0)
|
|
terminal_width = win.ws_col - 1;
|
|
#endif
|
|
|
|
printf(" PID Uid VmSize Stat Command\n");
|
|
while ((p = procps_scan(1)) != 0) {
|
|
char *namecmd = p->cmd;
|
|
|
|
if(p->rss == 0)
|
|
len = printf("%5d %-8s %s ", p->pid, p->user, p->state);
|
|
else
|
|
len = printf("%5d %-8s %6ld %s ", p->pid, p->user, p->rss, p->state);
|
|
i = terminal_width-len;
|
|
|
|
if(namecmd != 0 && namecmd[0] != 0) {
|
|
if(i < 0)
|
|
i = 0;
|
|
if(strlen(namecmd) > i)
|
|
namecmd[i] = 0;
|
|
printf("%s\n", namecmd);
|
|
} else {
|
|
namecmd = p->short_cmd;
|
|
if(i < 2)
|
|
i = 2;
|
|
if(strlen(namecmd) > (i-2))
|
|
namecmd[i-2] = 0;
|
|
printf("[%s]\n", namecmd);
|
|
}
|
|
free(p->cmd);
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|