2 * Mini ps implementation for busybox
4 * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 extern int ps_main(int argc, char **argv)
34 if ( argc>1 && **(argv+1) == '-' ) {
38 dir = opendir("/proc");
40 perror("Can't open /proc");
44 fprintf(stdout, "PID\tUid\tGid\tState\tName\n");
45 while ((entry = readdir(dir)) != NULL) {
46 char psStatus[NAME_MAX];
47 char psName[NAME_MAX]="";
48 char psState[NAME_MAX]="";
49 int psPID=0, psPPID=0, psUid=0, psGid=0;
50 //if (match(entry->d_name, "[0-9]") == FALSE)
52 sprintf(psStatus, "/proc/%s/status", entry->d_name);
53 file = fopen( psStatus, "r");
59 fscanf(file, "Name:\t%s\nState:\t%s\nPid:\t%d\nPPid:\t%d\nUid:\t%d\nGid:\t%d",
60 psName, psState, &psPID, &psPPID, &psUid, &psGid);
63 fprintf(stdout, "%d\t%d\t%d\t%s\t%s\n", psPID, psUid, psGid, psState, psName);