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authorLennart Poettering <lennart@poettering.net>2010-09-15 03:12:04 +0200
committerLennart Poettering <lennart@poettering.net>2010-09-15 03:12:04 +0200
commitb036fc0050b21fb0d284a11019ea0a77be264296 (patch)
tree198cb2962e49eb7e9f27045efea9b9e9317dbf32 /src
parent9b2fcafba47200d72d987d33abbe172891b8af82 (diff)
systemctl: use sizeof() instead of strlen() on literal strings
Diffstat (limited to 'src')
-rw-r--r--src/systemctl.c103
1 files changed, 54 insertions, 49 deletions
diff --git a/src/systemctl.c b/src/systemctl.c
index e6f2c7c57c..8e538d64a4 100644
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -253,6 +253,7 @@ static int compare_unit_info(const void *a, const void *b) {
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);
@@ -260,17 +261,20 @@ static bool output_show_job(const struct unit_info *u) {
static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
unsigned active_len, sub_len, job_len;
+ const struct unit_info *u;
- 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));
- }
+ active_len = sizeof("ACTIVE")-1;
+ sub_len = sizeof("SUB")-1;
+ job_len = sizeof("JOB")-1;
+
+ for (u = unit_infos; u < unit_infos + c; u++) {
+ if (!output_show_job(u))
+ continue;
+
+ 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()) {
@@ -282,56 +286,57 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
printf("\n");
}
- for (const struct unit_info *u = unit_infos; u < unit_infos + c; u++) {
- if (output_show_job(u)) {
- char *e;
- int a = 0, b = 0;
- const char *on_loaded, *off_loaded;
- const char *on_active, *off_active;
+ for (u = unit_infos; u < unit_infos + c; u++) {
+ char *e;
+ int a = 0, b = 0;
+ 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 (!output_show_job(u))
+ continue;
- if (streq(u->active_state, "failed")) {
- on_active = ansi_highlight(true);
- off_active = ansi_highlight(false);
- } else
- 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 = "";
- e = arg_full ? NULL : ellipsize(u->id, 25, 33);
+ if (streq(u->active_state, "failed")) {
+ on_active = ansi_highlight(true);
+ off_active = ansi_highlight(false);
+ } else
+ on_active = off_active = "";
- printf("%-25s %s%-6s%s %s%-*s %-*s%s%n",
- e ? e : u->id,
- on_loaded, u->load_state, off_loaded,
- on_active, active_len, u->active_state,
- sub_len, u->sub_state, off_active,
- &a);
+ e = arg_full ? NULL : ellipsize(u->id, 25, 33);
- free(e);
+ printf("%-25s %s%-6s%s %s%-*s %-*s%s%n",
+ e ? e : u->id,
+ on_loaded, u->load_state, off_loaded,
+ on_active, active_len, u->active_state,
+ sub_len, u->sub_state, off_active,
+ &a);
- a -= strlen(on_loaded) + strlen(off_loaded);
- a -= strlen(on_active) + strlen(off_active);
+ free(e);
- if (u->job_id != 0)
- printf(" %-*s", job_len, u->job_type);
- else
- b = 1 + job_len;
+ a -= strlen(on_loaded) + strlen(off_loaded);
+ a -= strlen(on_active) + strlen(off_active);
- if (a + b + 1 < columns()) {
- if (u->job_id == 0)
- printf(" %-*s", job_len, "");
+ if (u->job_id != 0)
+ printf(" %-*s", job_len, u->job_type);
+ else
+ b = 1 + job_len;
- if (arg_full)
- printf(" %s", u->description);
- else
- printf(" %.*s", columns() - a - b - 1, u->description);
- }
+ if (a + b + 1 < columns()) {
+ if (u->job_id == 0)
+ printf(" %-*s", job_len, "");
- fputs("\n", stdout);
+ if (arg_full)
+ printf(" %s", u->description);
+ else
+ printf(" %.*s", columns() - a - b - 1, u->description);
}
+
+ fputs("\n", stdout);
}
if (on_tty()) {