Made exit code SysV compliant. Also added -s (single pid) flag.
diff --git a/procps/pidof.c b/procps/pidof.c
index c75571a..d0d65e0 100644
--- a/procps/pidof.c
+++ b/procps/pidof.c
@@ -36,26 +36,20 @@
extern int pidof_main(int argc, char **argv)
{
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':
+ case 's':
+ single_flag = 1;
break;
- case 'e':
- 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;
@@ -67,6 +61,9 @@
for(; pidList && *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
@@ -75,5 +72,5 @@
}
printf("\n");
- return EXIT_SUCCESS;
+ return fail ? EXIT_FAILURE : EXIT_SUCCESS;
}