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systemctl: avoid wrapping of headers/footers

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This change makes sure that our output never exceeds 80ch on 80ch
terminals.

https://bugzilla.redhat.com/show_bug.cgi?id=626443
This commit is contained in:
Lennart Poettering 2010-08-31 16:56:08 +02:00
parent 9ed95f4336
commit f73e33d9ec
2 changed files with 43 additions and 19 deletions
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3
man/systemctl.xml
View File

@ -123,7 +123,8 @@
<term><option>--full</option></term>
<listitem><para>Do not ellipsize unit
names in the output of
names and truncate unit descriptions
in the output of
<command>list-units</command> and
<command>list-jobs</command>.</para></listitem>
</varlistentry>

59
src/systemctl.c
View File

@ -130,8 +130,7 @@ static const char *ansi_highlight_green(bool b) {
return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
}
static bool error_is_no_service(DBusError *error) {
static bool error_is_no_service(const DBusError *error) {
assert(error);
if (!dbus_error_is_set(error))
@ -313,8 +312,12 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) {
qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
if (isatty(STDOUT_FILENO))
printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
if (isatty(STDOUT_FILENO)) {
if (columns() >= 80+12 || arg_full)
printf("%-25s %-6s %-12s %-18s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
else
printf("%-25s %-6s %-12s %-18s %-15s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB");
}
for (k = 0; k < c; k++) {
const char *dot;
@ -325,30 +328,47 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) {
(arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0)) {
char *e;
int a = 0, b = 0;
const char *on, *off;
const char *on_loaded, *off_loaded;
const char *on_active, *off_active;
if (!streq(u->load_state, "loaded")) {
on_loaded = ansi_highlight(true);
off_loaded = ansi_highlight(false);
} else
on_loaded = off_loaded = "";
if (streq(u->active_state, "failed")) {
on = ansi_highlight(true);
off = ansi_highlight(false);
on_active = ansi_highlight(true);
off_active = ansi_highlight(false);
} else
on = off = "";
on_active = off_active = "";
e = arg_full ? NULL : ellipsize(u->id, 25, 33);
printf("%-25s %s%-6s%s %s%-12s %-18s%s%n",
e ? e : u->id,
on_loaded, u->load_state, off_loaded,
on_active, u->active_state, u->sub_state, off_active,
&a);
e = arg_full ? NULL : ellipsize(u->id, 45, 33);
printf("%-45s %-6s %s%-12s %-12s%s%n", e ? e : u->id, u->load_state, on, u->active_state, u->sub_state, off, &a);
free(e);
a -= strlen(on) + strlen(off);
a -= strlen(on_loaded) + strlen(off_loaded);
a -= strlen(on_active) + strlen(off_active);
if (u->job_id != 0)
printf(" => %-12s%n", u->job_type, &b);
printf(" %-15s%n", u->job_type, &b);
else
b = 1 + 15;
if (a + b + 2 < columns()) {
if (a + b + 1 < columns()) {
if (u->job_id == 0)
printf(" ");
printf(" %.*s", columns() - a - b - 2, u->description);
if (arg_full)
printf(" %s", u->description);
else
printf(" %.*s", columns() - a - b - 1, u->description);
}
fputs("\n", stdout);
@ -664,7 +684,8 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
dbus_message_iter_recurse(&iter, &sub);
printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
if (isatty(STDOUT_FILENO))
printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
const char *name, *type, *state, *job_path, *unit_path;
@ -690,8 +711,8 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
goto finish;
}
e = arg_full ? NULL : ellipsize(name, 45, 33);
printf("%4u %-45s %-17s %-7s\n", id, e ? e : name, type, state);
e = arg_full ? NULL : ellipsize(name, 25, 33);
printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
free(e);
k++;
@ -699,7 +720,9 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
dbus_message_iter_next(&sub);
}
printf("\n%u jobs listed.\n", k);
if (isatty(STDOUT_FILENO))
printf("\n%u jobs listed.\n", k);
r = 0;
finish: