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authorLennart Poettering <lennart@poettering.net>2010-06-24 04:55:57 +0200
committerLennart Poettering <lennart@poettering.net>2010-06-24 04:55:57 +0200
commit2f02ce4005075ac76742ed6a2189cc2e5fc6a192 (patch)
tree4914f66cfadda43b628cde730ddd6a836cff4d25 /src
parent6f6083dc73c4bdd48678456fa6b969d6f1152373 (diff)
utils: show help blurb when run without any arguments
Diffstat (limited to 'src')
-rw-r--r--src/install.c4
-rw-r--r--src/notify.c9
-rw-r--r--src/systemctl.c2
3 files changed, 12 insertions, 3 deletions
diff --git a/src/install.c b/src/install.c
index 0c9f086663..f56c0728b9 100644
--- a/src/install.c
+++ b/src/install.c
@@ -132,7 +132,7 @@ static int parse_argv(int argc, char *argv[]) {
}
if (optind >= argc) {
- log_error("Missing verb.");
+ help();
return -EINVAL;
}
@@ -143,7 +143,7 @@ static int parse_argv(int argc, char *argv[]) {
else if (streq(argv[optind], "test"))
arg_action = ACTION_TEST;
else {
- log_error("Unknown verb %s", argv[optind]);
+ log_error("Unknown verb %s.", argv[optind]);
return -EINVAL;
}
diff --git a/src/notify.c b/src/notify.c
index 6dd708a900..514636e472 100644
--- a/src/notify.c
+++ b/src/notify.c
@@ -115,6 +115,15 @@ static int parse_argv(int argc, char *argv[]) {
}
}
+ if (optind >= argc &&
+ !arg_ready &&
+ !arg_status &&
+ !arg_pid &&
+ !arg_booted) {
+ help();
+ return -EINVAL;
+ }
+
return 1;
}
diff --git a/src/systemctl.c b/src/systemctl.c
index 9eb72f9747..78310aa273 100644
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -1839,7 +1839,7 @@ static int telinit_parse_argv(int argc, char *argv[]) {
}
if (optind >= argc) {
- log_error("Argument missing.");
+ telinit_help();
return -EINVAL;
}