X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemctl%2Fsystemctl.c;h=072f615ad547f18c152f45ec29d8a32a9460c8c4;hp=0631190504f6e19591406735d5dcba402a1b4262;hb=fdbdf6ec29bda40763d7d3e7bb2a63e2f5d60c4c;hpb=60731f32f1d25070ed7559bdd64d65e7462a4df6 diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index 063119050..072f615ad 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -617,7 +617,7 @@ static int get_unit_list_recursive( return r; STRV_FOREACH(i, machines) { - _cleanup_bus_unref_ sd_bus *container = NULL; + _cleanup_bus_close_unref_ sd_bus *container = NULL; int k; r = sd_bus_open_system_container(&container, *i); @@ -1142,7 +1142,7 @@ static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) { assert(nw); assert(next); - if (next->monotonic != (usec_t) -1 && next->monotonic > 0) { + if (next->monotonic != USEC_INFINITY && next->monotonic > 0) { usec_t converted; if (next->monotonic > nw->monotonic) @@ -1150,7 +1150,7 @@ static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) { else converted = nw->realtime - (nw->monotonic - next->monotonic); - if (next->realtime != (usec_t) -1 && next->realtime > 0) + if (next->realtime != USEC_INFINITY && next->realtime > 0) next_elapse = MIN(converted, next->realtime); else next_elapse = converted; @@ -1350,6 +1350,10 @@ static int list_unit_files(sd_bus *bus, char **args) { } n_units = hashmap_size(h); + + if (n_units == 0) + return 0; + units = new(UnitFileList, n_units); if (!units) { unit_file_list_free(h); @@ -1688,7 +1692,7 @@ static int compare_machine_info(const void *a, const void *b) { } static int get_machine_properties(sd_bus *bus, struct machine_info *mi) { - _cleanup_bus_unref_ sd_bus *container = NULL; + _cleanup_bus_close_unref_ sd_bus *container = NULL; int r; assert(mi); @@ -4827,7 +4831,7 @@ static int switch_root(sd_bus *bus, char **args) { const char *root_systemd_path = NULL, *root_init_path = NULL; root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH); - root_init_path = strappenda3(root, "/", init); + root_init_path = strappenda(root, "/", init); /* If the passed init is actually the same as the * systemd binary, then let's suppress it. */ @@ -4998,11 +5002,8 @@ static int enable_sysv_units(const char *verb, char **args) { STRV_FOREACH(k, paths.unit_path) { _cleanup_free_ char *path = NULL; - if (!isempty(arg_root)) - j = asprintf(&path, "%s/%s/%s", arg_root, *k, name); - else - j = asprintf(&path, "%s/%s", *k, name); - if (j < 0) + path = path_join(arg_root, *k, name); + if (!path) return log_oom(); found_native = access(path, F_OK) >= 0; @@ -5013,11 +5014,8 @@ static int enable_sysv_units(const char *verb, char **args) { if (found_native) continue; - if (!isempty(arg_root)) - j = asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name); - else - j = asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name); - if (j < 0) + p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name); + if (!p) return log_oom(); p[strlen(p) - strlen(".service")] = 0; @@ -5438,7 +5436,7 @@ static int is_system_running(sd_bus *bus, char **args) { return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE; } -static int systemctl_help(void) { +static void systemctl_help(void) { pager_open_if_enabled(); @@ -5563,12 +5561,9 @@ static int systemctl_help(void) { " hibernate Hibernate the system\n" " hybrid-sleep Hibernate and suspend the system\n", program_invocation_short_name); - - return 0; } -static int halt_help(void) { - +static void halt_help(void) { printf("%s [OPTIONS...]%s\n\n" "%s the system.\n\n" " --help Show this help\n" @@ -5584,12 +5579,9 @@ static int halt_help(void) { arg_action == ACTION_REBOOT ? "Reboot" : arg_action == ACTION_POWEROFF ? "Power off" : "Halt"); - - return 0; } -static int shutdown_help(void) { - +static void shutdown_help(void) { printf("%s [OPTIONS...] [TIME] [WALL...]\n\n" "Shut down the system.\n\n" " --help Show this help\n" @@ -5601,12 +5593,9 @@ static int shutdown_help(void) { " --no-wall Don't send wall message before halt/power-off/reboot\n" " -c Cancel a pending shutdown\n", program_invocation_short_name); - - return 0; } -static int telinit_help(void) { - +static void telinit_help(void) { printf("%s [OPTIONS...] {COMMAND}\n\n" "Send control commands to the init daemon.\n\n" " --help Show this help\n" @@ -5619,32 +5608,26 @@ static int telinit_help(void) { " q, Q Reload init daemon configuration\n" " u, U Reexecute init daemon\n", program_invocation_short_name); - - return 0; } -static int runlevel_help(void) { - +static void runlevel_help(void) { printf("%s [OPTIONS...]\n\n" "Prints the previous and current runlevel of the init system.\n\n" " --help Show this help\n", program_invocation_short_name); - - return 0; } -static int help_types(void) { +static void help_types(void) { int i; const char *t; - puts("Available unit types:"); + if (!arg_no_legend) + puts("Available unit types:"); for (i = 0; i < _UNIT_TYPE_MAX; i++) { t = unit_type_to_string(i); if (t) puts(t); } - - return 0; } static int systemctl_parse_argv(int argc, char *argv[]) { @@ -5726,12 +5709,13 @@ static int systemctl_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0) switch (c) { case 'h': - return systemctl_help(); + systemctl_help(); + return 0; case ARG_VERSION: puts(PACKAGE_STRING); @@ -5739,7 +5723,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { return 0; case 't': { - char *word, *state; + const char *word, *state; size_t size; FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { @@ -5788,7 +5772,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { if (!arg_properties) return log_oom(); } else { - char *word, *state; + const char *word, *state; size_t size; FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { @@ -5958,7 +5942,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { break; case ARG_STATE: { - char *word, *state; + const char *word, *state; size_t size; FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { @@ -5999,7 +5983,6 @@ static int systemctl_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) { log_error("Cannot access user instance remotely."); @@ -6039,11 +6022,12 @@ static int halt_parse_argv(int argc, char *argv[]) { if (runlevel == '0' || runlevel == '6') arg_force = 2; - while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) switch (c) { case ARG_HELP: - return halt_help(); + halt_help(); + return 0; case ARG_HALT: arg_action = ACTION_HALT; @@ -6086,7 +6070,6 @@ static int halt_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) { r = update_reboot_param_file(argc == optind + 1 ? argv[optind] : NULL); @@ -6171,11 +6154,12 @@ static int shutdown_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) switch (c) { case ARG_HELP: - return shutdown_help(); + shutdown_help(); + return 0; case 'H': arg_action = ACTION_HALT; @@ -6224,7 +6208,6 @@ static int shutdown_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) { r = parse_time_spec(argv[optind], &arg_when); @@ -6285,11 +6268,12 @@ static int telinit_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) switch (c) { case ARG_HELP: - return telinit_help(); + telinit_help(); + return 0; case ARG_NO_WALL: arg_no_wall = true; @@ -6301,10 +6285,10 @@ static int telinit_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } if (optind >= argc) { - telinit_help(); + log_error("%s: required argument missing.", + program_invocation_short_name); return -EINVAL; } @@ -6350,11 +6334,12 @@ static int runlevel_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) switch (c) { case ARG_HELP: - return runlevel_help(); + runlevel_help(); + return 0; case '?': return -EINVAL; @@ -6362,7 +6347,6 @@ static int runlevel_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } if (optind < argc) { log_error("Too many arguments."); @@ -6848,7 +6832,7 @@ static int runlevel_main(void) { } int main(int argc, char*argv[]) { - _cleanup_bus_unref_ sd_bus *bus = NULL; + _cleanup_bus_close_unref_ sd_bus *bus = NULL; int r; setlocale(LC_ALL, "");