-int utils_mkdir_recursive(const char *path, mode_t mode);
-int utils_create_stream_file(char *path_name, char *file_name, uint64_t size,
- uint64_t count, int uid, int gid);
-int utils_rotate_stream_file(char *path_name, char *file_name, uint64_t size,
- uint64_t count, int uid, int gid, int out_fd, uint64_t *new_count);
-int utils_parse_size_suffix(char *str, uint64_t *size);
+int utils_mkdir(const char *path, mode_t mode, int uid, int gid);
+int utils_mkdir_recursive(const char *path, mode_t mode, int uid, int gid);
+int utils_stream_file_path(const char *path_name, const char *file_name,
+ uint64_t size, uint64_t count, const char *suffix,
+ char *out_stream_path, size_t stream_path_len);
+int utils_parse_size_suffix(char const * const str, uint64_t * const size);
+int utils_parse_time_suffix(char const * const str, uint64_t * const time_us);
+int utils_get_count_order_u32(uint32_t x);
+int utils_get_count_order_u64(uint64_t x);
+const char *utils_get_home_dir(void);
+char *utils_get_user_home_dir(uid_t uid);
+size_t utils_get_current_time_str(const char *format, char *dst, size_t len);
+int utils_get_group_id(const char *name, bool warn, gid_t *gid);
+char *utils_generate_optstring(const struct option *long_options,
+ size_t opt_count);
+int utils_create_lock_file(const char *filepath);
+int utils_recursive_rmdir(const char *path);
+int utils_truncate_stream_file(int fd, off_t length);
+int utils_show_help(int section, const char *page_name, const char *help_msg);
+int utils_get_memory_available(size_t *value);
+int utils_get_memory_total(size_t *value);
+int utils_change_working_directory(const char *path);
+enum lttng_error_code utils_user_id_from_name(
+ const char *user_name, uid_t *user_id);
+enum lttng_error_code utils_group_id_from_name(
+ const char *group_name, gid_t *group_id);
+
+/*
+ * Parse `str` as an unsigned long long value.
+ *
+ * Return 0 on success. Return -1 on failure which can be because:
+ *
+ * - `str` is zero length
+ * - `str` contains invalid
+ */
+LTTNG_HIDDEN
+int utils_parse_unsigned_long_long(const char *str,
+ unsigned long long *value);