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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2012-10-04 11:01:10 +0000
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2012-10-04 11:01:10 +0000
commitad94ad63e31e4822d1cf5b0908be0f3111930ff9 (patch)
tree9100b8ade3ba6ccf461c24b24bb20a50614419fb /src/systemctl
parent2f1bb51336e02005ecdac402591154301d3d680b (diff)
systemctl: do not print header if no units listed
Diffstat (limited to 'src/systemctl')
-rw-r--r--src/systemctl/systemctl.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index a4bec49657..6a42fea5ba 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -372,15 +372,6 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
} else
id_len = max_id_len;
- if (!arg_no_legend) {
- printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD",
- active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
- if (!arg_full && arg_no_pager)
- printf("%.*s\n", desc_len, "DESCRIPTION");
- else
- printf("%s\n", "DESCRIPTION");
- }
-
for (u = unit_infos; u < unit_infos + c; u++) {
char *e;
const char *on_loaded, *off_loaded;
@@ -389,6 +380,15 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
if (!output_show_unit(u))
continue;
+ if (!n_shown && !arg_no_legend) {
+ printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD",
+ active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
+ if (!arg_full && arg_no_pager)
+ printf("%.*s\n", desc_len, "DESCRIPTION");
+ else
+ printf("%s\n", "DESCRIPTION");
+ }
+
n_shown++;
if (streq(u->load_state, "error")) {
@@ -420,16 +420,17 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
}
if (!arg_no_legend) {
- printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
- "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
- "SUB = The low-level unit activation state, values depend on unit type.\n"
- "JOB = Pending job for the unit.\n");
+ if (n_shown)
+ printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
+ "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
+ "SUB = The low-level unit activation state, values depend on unit type.\n"
+ "JOB = Pending job for the unit.\n\n");
if (arg_all)
- printf("\n%u loaded units listed.\n"
+ printf("%u loaded units listed.\n"
"To show all installed unit files use 'systemctl list-unit-files'.\n", n_shown);
else
- printf("\n%u loaded units listed. Pass --all to see loaded but inactive units, too.\n"
+ printf("%u loaded units listed. Pass --all to see loaded but inactive units, too.\n"
"To show all installed unit files use 'systemctl list-unit-files'.\n", n_shown);
}
}