1/* vi: set sw=4 ts=4: */ 2/* 3 * pidof implementation for busybox 4 * 5 * Copyright (C) 2001 by Lineo, inc. 6 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 * 22 */ 23 24 25#include <stdio.h> 26#include <stdlib.h> 27#include <errno.h> 28#include <unistd.h> 29#include <signal.h> 30#include <ctype.h> 31#include <string.h> 32#include <unistd.h> 33#include "busybox.h" 34 35 36extern int pidof_main(int argc, char **argv) 37{ 38 int opt; 39 40 41 /* do normal option parsing */ 42 while ((opt = getopt(argc, argv, "ne:f:")) > 0) { 43 switch (opt) { 44 default: 45 show_usage(); 46 } 47 } 48 49 /* if we didn't get a process name, then we need to choke and die here */ 50 if (argv[optind] == NULL) 51 show_usage(); 52 53 /* Looks like everything is set to go. */ 54 while(optind < argc) { 55 pid_t* pidList; 56 57 pidList = find_pid_by_name( argv[optind]); 58 if (!pidList || *pidList<=0) { 59 break; 60 } 61 62 for(; pidList && *pidList!=0; pidList++) { 63 printf("%ld ", (long)*pidList); 64 } 65 /* Note that we don't bother to free the memory 66 * allocated in find_pid_by_name(). It will be freed 67 * upon exit, so we can save a byte or two */ 68 optind++; 69 } 70 printf("\n"); 71 72 return EXIT_SUCCESS; 73} 74