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systemctl: fix style to avoid modification of array passed by caller

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Followup for 4524439edb.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2016-02-15 19:06:53 -05:00
parent 4524439edb
commit c11bda1e3c
3 changed files with 18 additions and 20 deletions
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31
src/shared/bus-util.c
View File

@ -2028,8 +2028,8 @@ static const struct {
{ "start-limit", "start of the service was attempted too often" }
};
static void log_job_error_with_service_result(const char* service, const char *result, const char** extra_args) {
_cleanup_free_ char *service_shell_quoted = NULL, *_systemctl, *_journalctl;
static void log_job_error_with_service_result(const char* service, const char *result, const char* const* extra_args) {
_cleanup_free_ char *service_shell_quoted = NULL;
const char *systemctl = "systemctl", *journalctl = "journalct";
assert(service);
@ -2037,13 +2037,11 @@ static void log_job_error_with_service_result(const char* service, const char *r
service_shell_quoted = shell_maybe_quote(service);
if (extra_args && extra_args[1]) {
assert(extra_args[0] == NULL);
_cleanup_free_ char *t;
extra_args[0] = "systemctl";
systemctl = _systemctl = strv_join((char**) extra_args, " ");
extra_args[0] = "journalctl";
journalctl = _journalctl = strv_join((char**) extra_args, " ");
t = strv_join((char**) extra_args, " ");
systemctl = strjoina("systemctl ", t ?: "<args>", NULL);
journalctl = strjoina("journalctl ", t ?: "<args>", NULL);
}
if (!isempty(result)) {
@ -2058,29 +2056,30 @@ static void log_job_error_with_service_result(const char* service, const char *r
"See \"%s status %s\" and \"%s -xe\" for details.\n",
service,
explanations[i].explanation,
systemctl ?: "systemctl <args>",
systemctl,
service_shell_quoted ?: "<service>",
journalctl ?: "journalctl <args>");
journalctl);
goto finish;
}
}
log_error("Job for %s failed. See \"%s status %s\" and \"%s -xe\" for details.\n",
log_error("Job for %s failed.\n"
"See \"%s status %s\" and \"%s -xe\" for details.\n",
service,
systemctl ?: "systemctl <args>",
systemctl,
service_shell_quoted ?: "<service>",
journalctl ?: "journalctl <args>");
journalctl);
finish:
/* For some results maybe additional explanation is required */
if (streq_ptr(result, "start-limit"))
log_info("To force a start use \"%1$s reset-failed %2$s\"\n"
"followed by \"%1$s start %2$s\" again.",
systemctl ?: "systemctl <args>",
systemctl,
service_shell_quoted ?: "<service>");
}
static int check_wait_response(BusWaitForJobs *d, bool quiet, const char** extra_args) {
static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
int r = 0;
assert(d->result);
@ -2131,7 +2130,7 @@ static int check_wait_response(BusWaitForJobs *d, bool quiet, const char** extra
return r;
}
int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char** extra_args) {
int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
int r = 0;
assert(d);

2
src/shared/bus-util.h
View File

@ -180,7 +180,7 @@ typedef struct BusWaitForJobs BusWaitForJobs;
int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret);
void bus_wait_for_jobs_free(BusWaitForJobs *d);
int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path);
int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char** extra_args);
int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args);
int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet);
DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free);

5
src/systemctl/systemctl.c
View File

@ -2778,10 +2778,9 @@ static int start_unit(int argc, char *argv[], void *userdata) {
}
if (!arg_no_block) {
int q, arg_count = 1;
const char* extra_args[5] = {NULL};
int q, arg_count = 0;
const char* extra_args[4] = {};
/* leave first empty for the actual command name*/
if (arg_scope != UNIT_FILE_SYSTEM)
extra_args[arg_count++] = "--user";