Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | ef8b6c7 | 1999-10-20 08:05:35 +0000 | [diff] [blame] | 2 | /* |
Erik Andersen | 246cc6d | 2000-03-07 07:41:42 +0000 | [diff] [blame] | 3 | * Mini ps implementation(s) for busybox |
| 4 | * |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 5 | * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen |
| 6 | * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org> |
Eric Andersen | ef8b6c7 | 1999-10-20 08:05:35 +0000 | [diff] [blame] | 7 | * |
Erik Andersen | 246cc6d | 2000-03-07 07:41:42 +0000 | [diff] [blame] | 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the Free |
| 10 | * Software Foundation; either version 2 of the License, or (at your option) |
| 11 | * any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 16 | * more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along with |
| 19 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
| 20 | * Place, Suite 330, Boston, MA 02111-1307 USA |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 21 | */ |
| 22 | |
Erik Andersen | 246cc6d | 2000-03-07 07:41:42 +0000 | [diff] [blame] | 23 | #include <stdio.h> |
Eric Andersen | ed3ef50 | 2001-01-27 08:24:39 +0000 | [diff] [blame] | 24 | #include <stdlib.h> |
Eric Andersen | ef8b6c7 | 1999-10-20 08:05:35 +0000 | [diff] [blame] | 25 | #include <unistd.h> |
| 26 | #include <dirent.h> |
Erik Andersen | 246cc6d | 2000-03-07 07:41:42 +0000 | [diff] [blame] | 27 | #include <errno.h> |
Eric Andersen | d23f9ba | 1999-10-20 19:18:15 +0000 | [diff] [blame] | 28 | #include <fcntl.h> |
| 29 | #include <ctype.h> |
Eric Andersen | ed3ef50 | 2001-01-27 08:24:39 +0000 | [diff] [blame] | 30 | #include <string.h> |
Eric Andersen | 8d79ce8 | 2001-07-22 23:00:15 +0000 | [diff] [blame] | 31 | #include <termios.h> |
Erik Andersen | 2ac2fae | 2000-03-07 23:32:17 +0000 | [diff] [blame] | 32 | #include <sys/ioctl.h> |
Eric Andersen | cbe31da | 2001-02-20 06:14:08 +0000 | [diff] [blame] | 33 | #include "busybox.h" |
Erik Andersen | 2ac2fae | 2000-03-07 23:32:17 +0000 | [diff] [blame] | 34 | |
Mark Whitley | 59ab025 | 2001-01-23 22:30:04 +0000 | [diff] [blame] | 35 | static const int TERMINAL_WIDTH = 79; /* not 80 in case terminal has linefold bug */ |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 36 | |
| 37 | |
Eric Andersen | d23f9ba | 1999-10-20 19:18:15 +0000 | [diff] [blame] | 38 | |
Eric Andersen | ef8b6c7 | 1999-10-20 08:05:35 +0000 | [diff] [blame] | 39 | extern int ps_main(int argc, char **argv) |
| 40 | { |
Eric Andersen | 44608e9 | 2002-10-22 12:21:15 +0000 | [diff] [blame] | 41 | procps_status_t * p; |
| 42 | int i, len; |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 43 | #ifdef CONFIG_FEATURE_AUTOWIDTH |
Eric Andersen | fad04fd | 2000-07-14 06:49:52 +0000 | [diff] [blame] | 44 | struct winsize win = { 0, 0, 0, 0 }; |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 45 | int terminal_width = TERMINAL_WIDTH; |
Erik Andersen | 2ac2fae | 2000-03-07 23:32:17 +0000 | [diff] [blame] | 46 | #else |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 47 | #define terminal_width TERMINAL_WIDTH |
Erik Andersen | 2ac2fae | 2000-03-07 23:32:17 +0000 | [diff] [blame] | 48 | #endif |
| 49 | |
| 50 | |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 51 | #ifdef CONFIG_FEATURE_AUTOWIDTH |
Erik Andersen | 2ac2fae | 2000-03-07 23:32:17 +0000 | [diff] [blame] | 52 | ioctl(fileno(stdout), TIOCGWINSZ, &win); |
| 53 | if (win.ws_col > 0) |
| 54 | terminal_width = win.ws_col - 1; |
| 55 | #endif |
| 56 | |
Eric Andersen | 1372780 | 2002-04-27 06:06:11 +0000 | [diff] [blame] | 57 | printf(" PID Uid VmSize Stat Command\n"); |
Eric Andersen | 44608e9 | 2002-10-22 12:21:15 +0000 | [diff] [blame] | 58 | while ((p = procps_scan(1)) != 0) { |
| 59 | char *namecmd = p->cmd; |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 60 | |
Eric Andersen | 44608e9 | 2002-10-22 12:21:15 +0000 | [diff] [blame] | 61 | if(p->rss == 0) |
| 62 | len = printf("%5d %-8s %s ", p->pid, p->user, p->state); |
Eric Andersen | 1372780 | 2002-04-27 06:06:11 +0000 | [diff] [blame] | 63 | else |
Eric Andersen | 44608e9 | 2002-10-22 12:21:15 +0000 | [diff] [blame] | 64 | len = printf("%5d %-8s %6ld %s ", p->pid, p->user, p->rss, p->state); |
| 65 | i = terminal_width-len; |
| 66 | |
| 67 | if(namecmd != 0 && namecmd[0] != 0) { |
| 68 | if(i < 0) |
| 69 | i = 0; |
| 70 | if(strlen(namecmd) > i) |
| 71 | namecmd[i] = 0; |
| 72 | printf("%s\n", namecmd); |
| 73 | } else { |
| 74 | namecmd = p->short_cmd; |
| 75 | if(i < 2) |
| 76 | i = 2; |
| 77 | if(strlen(namecmd) > (i-2)) |
| 78 | namecmd[i-2] = 0; |
| 79 | printf("[%s]\n", namecmd); |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 80 | } |
Eric Andersen | 44608e9 | 2002-10-22 12:21:15 +0000 | [diff] [blame] | 81 | free(p->cmd); |
Eric Andersen | d23f9ba | 1999-10-20 19:18:15 +0000 | [diff] [blame] | 82 | } |
Matt Kraai | 3e856ce | 2000-12-01 02:55:13 +0000 | [diff] [blame] | 83 | return EXIT_SUCCESS; |
Eric Andersen | ef8b6c7 | 1999-10-20 08:05:35 +0000 | [diff] [blame] | 84 | } |
Erik Andersen | 246cc6d | 2000-03-07 07:41:42 +0000 | [diff] [blame] | 85 | |