Made exit code SysV compliant. Also added -s (single pid) flag.

This commit is contained in:
Robert Griebl 2002-05-22 23:38:12 +00:00
parent 236abbfd71
commit d11edf9809

View File

@ -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 @@ extern int pidof_main(int argc, char **argv)
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 @@ extern int pidof_main(int argc, char **argv)
}
printf("\n");
return EXIT_SUCCESS;
return fail ? EXIT_FAILURE : EXIT_SUCCESS;
}