apache / httpd-mod_fcgidConditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 112 units with 3,258 lines of code in units (53.9% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
18 medium complex units (1,393 lines of code)
23 simple units (953 lines of code)
71 very simple units (912 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
static int getsfunc_fcgid_BRIGADE() in modules/fcgid/fcgid_bridge.c	66	23	3
apr_status_t proc_spawn_process() in modules/fcgid/fcgid_proc_unix.c	147	22	3
static int fcgid_status_hook() in modules/fcgid/mod_fcgid.c	111	22	2
static int add_request_body() in modules/fcgid/fcgid_bridge.c	171	21	4
static apr_status_t fcgid_header_bucket_read() in modules/fcgid/fcgid_bucket.c	129	20	4
static apr_status_t socket_writev() in modules/fcgid/fcgid_proc_unix.c	70	19	4
static int fcgid_handler() in modules/fcgid/mod_fcgid.c	84	19	1
static void default_proc_env() in modules/fcgid/fcgid_pm_main.c	56	17	1
static int mod_fcgid_check_auth() in modules/fcgid/mod_fcgid.c	97	17	2
void proc_print_exit_info() in modules/fcgid/fcgid_proc_unix.c	66	16	4
apr_status_t proc_spawn_process() in modules/fcgid/fcgid_proc_win.c	101	15	3
int is_spawn_allowed() in modules/fcgid/fcgid_spawn_ctl.c	51	15	2
apr_status_t proc_read_ipc() in modules/fcgid/fcgid_proc_unix.c	55	14	3
apr_status_t fcgid_filter() in modules/fcgid/fcgid_filter.c	55	14	2
static void scan_idlelist() in modules/fcgid/fcgid_pm_main.c	52	13	1
static int fcgidsort() in modules/fcgid/mod_fcgid.c	20	13	2
int is_kill_allowed() in modules/fcgid/fcgid_spawn_ctl.c	21	12	2
apr_status_t procmgr_send_spawn_cmd() in modules/fcgid/fcgid_pm_win.c	41	11	2
static size_t init_environment() in modules/fcgid/fcgid_protocol.c	54	10	2
static void fcgid_maint() in modules/fcgid/fcgid_pm_unix.c	44	10	3
apr_status_t proc_write_ipc() in modules/fcgid/fcgid_proc_win.c	73	10	2
static apr_status_t ap_unix_create_privileged_process() in modules/fcgid/fcgid_proc_unix.c	51	9	7
static void scan_idlelist_zombie() in modules/fcgid/fcgid_pm_main.c	66	9	1
static void scan_errorlist() in modules/fcgid/fcgid_pm_main.c	75	9	1
apr_status_t proc_connect_ipc() in modules/fcgid/fcgid_proc_win.c	50	9	2
void proc_print_exit_info() in modules/fcgid/fcgid_proc_win.c	36	9	4
static apr_status_t writev_it_all() in modules/fcgid/fcgid_proc_unix.c	32	8	3
apr_status_t proc_write_ipc() in modules/fcgid/fcgid_proc_unix.c	46	8	2
static int count_busy_processes() in modules/fcgid/fcgid_bridge.c	24	8	2
apr_status_t bucket_ctx_cleanup() in modules/fcgid/fcgid_bridge.c	38	8	1
static void kill_all_subprocess() in modules/fcgid/fcgid_pm_main.c	45	8	1
static int set_cmd_envvars() in modules/fcgid/fcgid_conf.c	30	8	2
apr_status_t procmgr_stop_procmgr() in modules/fcgid/fcgid_pm_win.c	23	8	1
static void fcgid_add_cgi_vars() in modules/fcgid/mod_fcgid.c	27	8	1
int bridge_request() in modules/fcgid/fcgid_bridge.c	39	7	3
static int reclaim_one_pid() in modules/fcgid/fcgid_pm_main.c	32	7	3
static int set_group_privs() in modules/fcgid/fcgid_pm_unix.c	36	7	1
static apr_status_t proc_kill_internal() in modules/fcgid/fcgid_proc_unix.c	17	6	2
static void scan_busylist() in modules/fcgid/fcgid_pm_main.c	32	6	1
static apr_status_t apr_shm_remove() in modules/fcgid/fcgid_proctbl_unix.c	42	6	2
apr_status_t proc_read_ipc() in modules/fcgid/fcgid_proc_win.c	41	6	3
void proctable_print_debug_info() in modules/fcgid/fcgid_proctbl_win.c	33	5	1
apr_status_t pm_main() in modules/fcgid/fcgid_pm_main.c	19	5	2
void proctable_print_debug_info() in modules/fcgid/fcgid_proctbl_unix.c	33	5	1
static void add_envvar_to_table() in modules/fcgid/fcgid_conf.c	11	5	4
apr_status_t procmgr_fetch_cmd() in modules/fcgid/fcgid_pm_win.c	17	5	2
static apr_status_t create_process_manager() in modules/fcgid/fcgid_pm_unix.c	24	5	2
static apr_status_t init_signal() in modules/fcgid/fcgid_pm_unix.c	29	5	1
apr_status_t procmgr_send_spawn_cmd() in modules/fcgid/fcgid_pm_unix.c	32	5	2
apr_status_t procmgr_fetch_cmd() in modules/fcgid/fcgid_pm_unix.c	21	5	2