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analyze-dot: minor modernization

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Mike Yuan 2024-03-23 00:34:53 +08:00
parent 3efb597b07
commit de91848c3a
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GPG Key ID: 417471C0A40F58B3
1 changed files with 19 additions and 7 deletions
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26
src/analyze/analyze-dot.c
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@ -13,14 +13,15 @@ static int graph_one_property(
const UnitInfo *u,
const char *prop,
const char *color,
char *patterns[],
char *from_patterns[],
char *to_patterns[]) {
char **patterns,
char **from_patterns,
char **to_patterns) {
_cleanup_strv_free_ char **units = NULL;
bool match_patterns;
int r;
assert(bus);
assert(u);
assert(prop);
assert(color);
@ -51,7 +52,13 @@ static int graph_one_property(
return 0;
}
static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
static int graph_one(
sd_bus *bus,
const UnitInfo *u,
char **patterns,
char **from_patterns,
char **to_patterns) {
int r;
assert(bus);
@ -67,12 +74,15 @@ static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *fro
r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
@ -85,6 +95,9 @@ static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
_cleanup_strv_free_ char **expanded_patterns = NULL;
int r;
assert(bus);
assert(ret);
STRV_FOREACH(pattern, patterns) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *unit = NULL, *unit_id = NULL;
@ -110,10 +123,9 @@ static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
if (r < 0)
return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
if (!streq(*pattern, unit_id)) {
if (!streq(*pattern, unit_id))
if (strv_extend(&expanded_patterns, unit_id) < 0)
return log_oom();
}
}
*ret = TAKE_PTR(expanded_patterns); /* do not free */
@ -128,8 +140,8 @@ int verb_dot(int argc, char *argv[], void *userdata) {
_cleanup_strv_free_ char **expanded_patterns = NULL;
_cleanup_strv_free_ char **expanded_from_patterns = NULL;
_cleanup_strv_free_ char **expanded_to_patterns = NULL;
int r;
UnitInfo u;
int r;
r = acquire_bus(&bus, NULL);
if (r < 0)