spotify / sparkeyConditional 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 165 units with 3,278 lines of code in units (64.2% of code).

1 very complex units (243 lines of code)
0 complex units (0 lines of code)
8 medium complex units (646 lines of code)
20 simple units (598 lines of code)
136 very simple units (1,791 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
int main() in src/main.c	243	58	2
sparkey_returncode sparkey_hash_write() in src/hashwriter.c	141	22	3
void MurmurHash3_x86_128() in src/MurmurHash3.c	70	17	4
void MurmurHash3_x64_128() in src/MurmurHash3.c	52	17	4
void verify() in src/testsystem.c	146	17	6
static sparkey_returncode hash_delete() in src/hashwriter.c	71	14	7
static sparkey_returncode hash_put() in src/hashwriter.c	59	12	8
static void calculate_max_displacement() in src/hashwriter.c	46	11	2
sparkey_returncode sparkey_hash_get() in src/hashreader.c	61	11	4
static int unsigned_vlq_size() in src/hashwriter.c	30	10	1
sparkey_returncode sparkey_logwriter_create() in src/logwriter.c	60	10	4
sparkey_returncode sparkey_logiter_keycmp() in src/logreader.c	39	9	4
sparkey_returncode sparkey_hash_open() in src/hashreader.c	54	9	3
sparkey_returncode sparkey_logiter_hashnext() in src/hashreader.c	42	9	2
sparkey_returncode sparkey_create_returncode() in src/util.c	14	8	1
void assert_equals() in src/testutil.c	14	8	2
static sparkey_returncode _write_full() in src/endiantools.c	20	8	3
static void _assert_str_equals() in src/testsystem.c	14	8	4
sparkey_returncode sparkey_logwriter_append() in src/logwriter.c	43	8	2
sparkey_returncode sparkey_remove_returncode() in src/util.c	13	7	1
static size_t read_line() in src/main.c	26	7	3
static sparkey_returncode log_add() in src/logwriter.c	31	7	8
static void rm_rec() in src/bench.c	20	7	1
static size_t file_size_rec() in src/bench.c	25	7	1
static sparkey_returncode fill_hash() in src/hashwriter.c	32	6	4
sparkey_returncode sparkey_open_returncode() in src/util.c	12	6	1
sparkey_returncode sparkey_load_logheader() in src/logheader.c	31	6	2
sparkey_returncode sparkey_logiter_next() in src/logreader.c	47	6	2
sparkey_returncode sparkey_load_hashheader() in src/hashheader.c	31	6	2
static int parsehex() in src/testhash.c	6	5	1
void MurmurHash3_x86_32() in src/MurmurHash3.c	32	5	4
static sparkey_returncode logheader_version0() in src/logheader.c	27	5	2
sparkey_returncode sparkey_logreader_open_noalloc() in src/logreader.c	28	5	2
void sparkey_logiter_close() in src/logreader.c	18	5	1
static sparkey_returncode hashheader_version0() in src/hashheader.c	33	5	2
static int info_file() in src/main.c	28	5	1
void sparkey_hash_close() in src/hashreader.c	21	5	1
static void sparkey_randomaccess() in src/bench.c	30	5	2
void sparkey_logreader_close_nodealloc() in src/logreader.c	15	4	1
sparkey_returncode sparkey_logiter_create() in src/logreader.c	26	4	2
static sparkey_returncode seekblock() in src/logreader.c	26	4	3
int main() in src/testvlq.c	23	4	0
uint64_t sparkey_iter_hash() in src/hashiter.c	23	4	3
static sparkey_returncode read_fully() in src/hashwriter.c	11	3	3
static sparkey_returncode hash_copy() in src/hashwriter.c	14	3	5
static inline uint64_t read_addr() in src/hashheader.h	7	3	3
static inline void write_addr() in src/hashheader.h	6	3	3
sparkey_hash_algorithm sparkey_get_hash_algorithm() in src/hashalgorithms.c	7	3	1
int sparkey_uses_compressor() in src/compress.c	9	3	1
static inline uint64_t read_vlq() in src/logreader.c	15	3	2