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systemctl: limit some column widths to widest actually used

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old
UNIT                      LOAD   ACTIVE       SUB                JOB
dev-hugepages.automount   loaded active       running                            Huge Page
dev-mqueue.automount      loaded active       waiting                            POSIX Mes
proc-sys...misc.automount loaded active       waiting                            Arbitrary
sys-kern...ebug.automount loaded active       running                            Debug Fil

new
UNIT                      LOAD   ACTIVE SUB       JOB
dev-hugepages.automount   loaded active running       Huge Pages File System Automount Poi
dev-mqueue.automount      loaded active waiting       POSIX Message Queue File System Auto
systemd-shutdownd.socket  loaded active listening     systemd Delayed Shutdown Socket
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2010-09-07 10:30:52 +02:00 committed by Lennart Poettering
parent eb68c413aa
commit 3333022269
1 changed files with 32 additions and 12 deletions
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44
src/systemctl.c
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@ -251,20 +251,39 @@ static int compare_unit_info(const void *a, const void *b) {
return strcasecmp(u->id, v->id); return strcasecmp(u->id, v->id);
} }
static bool output_show_job(const struct unit_info *u) {
const char *dot;
return (!arg_type || ((dot = strrchr(u->id, '.')) &&
streq(dot+1, arg_type))) &&
(arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0);
}
static void output_units_list(const struct unit_info *unit_infos, unsigned c) { static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
unsigned active_len, sub_len, job_len;
active_len = strlen("ACTIVE");
sub_len = strlen("SUB");
job_len = strlen("JOB");
for (const struct unit_info *u = unit_infos; u < unit_infos + c; u++) {
if (output_show_job(u)) {
active_len = MAX(active_len, strlen(u->active_state));
sub_len = MAX(sub_len, strlen(u->sub_state));
if (u->job_id != 0)
job_len = MAX(job_len, strlen(u->job_type));
}
}
if (on_tty()) { if (on_tty()) {
printf("%-25s %-6s %-*s %-*s %-*s", "UNIT", "LOAD",
active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
if (columns() >= 80+12 || arg_full) if (columns() >= 80+12 || arg_full)
printf("%-25s %-6s %-12s %-18s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION"); printf(" %s\n", "DESCRIPTION");
else else
printf("%-25s %-6s %-12s %-18s %-15s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB"); printf("\n");
} }
for (const struct unit_info *u = unit_infos; u < unit_infos + c; u++) { for (const struct unit_info *u = unit_infos; u < unit_infos + c; u++) {
const char *dot; if (output_show_job(u)) {
if ((!arg_type || ((dot = strrchr(u->id, '.')) &&
streq(dot+1, arg_type))) &&
(arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0)) {
char *e; char *e;
int a = 0, b = 0; int a = 0, b = 0;
const char *on_loaded, *off_loaded; const char *on_loaded, *off_loaded;
@ -284,10 +303,11 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
e = arg_full ? NULL : ellipsize(u->id, 25, 33); e = arg_full ? NULL : ellipsize(u->id, 25, 33);
printf("%-25s %s%-6s%s %s%-12s %-18s%s%n", printf("%-25s %s%-6s%s %s%-*s %-*s%s%n",
e ? e : u->id, e ? e : u->id,
on_loaded, u->load_state, off_loaded, on_loaded, u->load_state, off_loaded,
on_active, u->active_state, u->sub_state, off_active, on_active, active_len, u->active_state,
sub_len, u->sub_state, off_active,
&a); &a);
free(e); free(e);
@ -296,13 +316,13 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
a -= strlen(on_active) + strlen(off_active); a -= strlen(on_active) + strlen(off_active);
if (u->job_id != 0) if (u->job_id != 0)
printf(" %-15s%n", u->job_type, &b); printf(" %-*s", job_len, u->job_type);
else else
b = 1 + 15; b = 1 + job_len;
if (a + b + 1 < columns()) { if (a + b + 1 < columns()) {
if (u->job_id == 0) if (u->job_id == 0)
printf(" "); printf(" %-*s", job_len, "");
if (arg_full) if (arg_full)
printf(" %s", u->description); printf(" %s", u->description);