+static const char *sanitize_id(const char *id) {
+ size_t l;
+
+ assert(id);
+ l = strlen(id);
+
+ if (l <= sizeof(((struct utmpx*) NULL)->ut_id))
+ return id;
+
+ return id + l - sizeof(((struct utmpx*) NULL)->ut_id);
+}
+
+int utmp_put_init_process(usec_t t, const char *id, pid_t pid, pid_t sid, const char *line) {
+ struct utmpx store;
+
+ assert(id);
+
+ init_timestamp(&store, t);
+
+ store.ut_type = INIT_PROCESS;
+ store.ut_pid = pid;
+ store.ut_session = sid;
+
+ strncpy(store.ut_id, sanitize_id(id), sizeof(store.ut_id));
+
+ if (line)
+ strncpy(store.ut_line, file_name_from_path(line), sizeof(store.ut_line));
+
+ return write_entry_both(&store);
+}
+
+int utmp_put_dead_process(const char *id, pid_t pid, int code, int status) {
+ struct utmpx lookup, store, *found;
+
+ assert(id);
+
+ setutxent();
+
+ zero(lookup);
+ lookup.ut_type = INIT_PROCESS; /* looks for DEAD_PROCESS, LOGIN_PROCESS, USER_PROCESS, too */
+ strncpy(lookup.ut_id, sanitize_id(id), sizeof(lookup.ut_id));
+
+ if (!(found = getutxid(&lookup)))
+ return 0;
+
+ if (found->ut_pid != pid)
+ return 0;
+
+ zero(store);
+
+ memcpy(&store, &lookup, sizeof(store));
+ store.ut_type = DEAD_PROCESS;
+ store.ut_exit.e_termination = code;
+ store.ut_exit.e_exit = status;
+
+ zero(store.ut_user);
+ zero(store.ut_host);
+ zero(store.ut_tv);
+
+ return write_entry_both(&store);
+}
+
+