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Diffstat (limited to 'src/bootchart')
-rw-r--r--src/bootchart/bootchart.c32
1 files changed, 19 insertions, 13 deletions
diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c
index 5683025b19..c0e176da9b 100644
--- a/src/bootchart/bootchart.c
+++ b/src/bootchart/bootchart.c
@@ -163,7 +163,7 @@ static void help(void) {
DEFAULT_INIT);
}
-static int parse_args(int argc, char *argv[]) {
+static int parse_argv(int argc, char *argv[]) {
static const struct option options[] = {
{"rel", no_argument, NULL, 'r'},
{"freq", required_argument, NULL, 'f'},
@@ -180,12 +180,14 @@ static int parse_args(int argc, char *argv[]) {
{"entropy", no_argument, NULL, 'e'},
{}
};
- int c;
+ int c, r;
- while ((c = getopt_long(argc, argv, "erpf:n:o:i:FCchx:y:", options, NULL)) >= 0) {
- int r;
+ if (getpid() == 1)
+ opterr = 0;
+ while ((c = getopt_long(argc, argv, "erpf:n:o:i:FCchx:y:", options, NULL)) >= 0)
switch (c) {
+
case 'r':
arg_relative = true;
break;
@@ -238,18 +240,22 @@ static int parse_args(int argc, char *argv[]) {
break;
case 'h':
help();
- exit (EXIT_SUCCESS);
+ return 0;
+ case '?':
+ if (getpid() != 1)
+ return -EINVAL;
+ else
+ return 0;
default:
- break;
+ assert_not_reached("Unhandled option code.");
}
- }
- if (arg_hz <= 0.0) {
- fprintf(stderr, "Error: Frequency needs to be > 0\n");
+ if (arg_hz <= 0) {
+ log_error("Frequency needs to be > 0");
return -EINVAL;
}
- return 0;
+ return 1;
}
static void do_journal_append(char *file) {
@@ -314,9 +320,9 @@ int main(int argc, char *argv[]) {
parse_conf();
- r = parse_args(argc, argv);
- if (r < 0)
- return EXIT_FAILURE;
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
/*
* If the kernel executed us through init=/usr/lib/systemd/systemd-bootchart, then