* pidof implementation for busybox
*
* Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
- * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ * Copyright (C) 1999-2002 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
extern int pidof_main(int argc, char **argv)
{
- int opt;
-
+ int opt, n = 0;
+ int single_flag = 0;
+ int fail = 1;
/* do normal option parsing */
- while ((opt = getopt(argc, argv, "ne:f:")) > 0) {
+ while ((opt = getopt(argc, argv, "s")) > 0) {
switch (opt) {
-#if 0
- case 'g':
- break;
- case 'e':
+ case 's':
+ single_flag = 1;
break;
-#endif
default:
show_usage();
}
}
- /* if we didn't get a process name, then we need to choke and die here */
- if (argv[optind] == NULL)
- show_usage();
-
/* Looks like everything is set to go. */
while(optind < argc) {
long* pidList;
- pidList = find_pid_by_name( argv[optind]);
- if (!pidList || *pidList<=0) {
- break;
- }
-
- for(; pidList && *pidList!=0; pidList++) {
- printf("%ld ", (long)*pidList);
+ pidList = find_pid_by_name(argv[optind]);
+ for(; *pidList > 0; pidList++) {
+ printf("%s%ld", (n++ ? " " : ""), (long)*pidList);
+ fail = 0;
+ if (single_flag)
+ break;
}
- /* Note that we don't bother to free the memory
- * allocated in find_pid_by_name(). It will be freed
- * upon exit, so we can save a byte or two */
+ free(pidList);
optind++;
+
}
printf("\n");
- return EXIT_SUCCESS;
+ return fail ? EXIT_FAILURE : EXIT_SUCCESS;
}