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Duplication

Places in code with 6 or more lines that are exactly the same.

Intro
  • For duplication, we look at places in code where there are 6 or more lines of code that are exactly the same.
  • Before duplication is calculated, the code is cleaned to remove empty lines, comments, and frequently duplicated constructs such as imports.
  • You should aim at having as little as possible (<5%) of duplicated code as high-level of duplication can lead to maintenance difficulties, poor factoring, and logical contradictions.
Learn more...
Duplication Overall
  • 41% duplication:
    • 47,380 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
    • 19,564 duplicated lines
  • 2,789 duplicates
system41% (19,564 lines)
Duplication per Extension
c45% (17,405 lines)
h26% (2,082 lines)
m8% (77 lines)
Duplication per Component (primary)
HAP27% (7,662 lines)
PAL/Linux99% (2,883 lines)
PAL/Raspi99% (2,883 lines)
PAL/POSIX99% (2,883 lines)
Applications/Lock76% (702 lines)
Applications/Lightbulb89% (642 lines)
PAL/Mock27% (454 lines)
PAL19% (453 lines)
PAL/Crypto13% (374 lines)
External/JSON41% (233 lines)
Applications100% (160 lines)
External/HTTP29% (122 lines)
PAL/Darwin10% (101 lines)
External/Base6410% (12 lines)
Tools/AccessorySetupGenerator0% (0 lines)

Duplication Between Components (50+ lines)

G PAL/Linux PAL/Linux PAL/POSIX PAL/POSIX PAL/Linux--PAL/POSIX 5766 PAL/Raspi PAL/Raspi PAL/Linux--PAL/Raspi 5766 PAL/Mock PAL/Mock PAL/Linux--PAL/Mock 586 PAL/POSIX--PAL/Raspi 5766 Applications/Lightbulb Applications/Lightbulb Applications/Lock Applications/Lock Applications/Lightbulb--Applications/Lock 1328 Applications Applications Applications/Lightbulb--Applications 320 Applications/Lock--Applications 320 PAL/Mock--PAL/Raspi 586 PAL/Mock--PAL/POSIX 586 PAL/Crypto PAL/Crypto PAL PAL PAL/Crypto--PAL 199 PAL--PAL/Linux 54 PAL--PAL/Raspi 54 PAL--PAL/POSIX 54 PAL/Darwin PAL/Darwin PAL/Darwin--PAL/Linux 110 PAL/Darwin--PAL/Raspi 110 PAL/Darwin--PAL/POSIX 110 PAL/Darwin--PAL/Mock 74 PAL/Darwin--PAL 68

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Longest Duplicates
The list of 20 longest duplicates.
See data for all 2,789 duplicates...
Size#FoldersFilesLinesCode
577 x 2 PAL/Linux
PAL/POSIX
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
 20:784 (100%)
20:784 (100%)
 view
577 x 2 PAL/POSIX
PAL/Raspi
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
 20:784 (100%)
20:784 (100%)
 view
577 x 2 PAL/Linux
PAL/Raspi
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
 20:784 (100%)
20:784 (100%)
 view
420 x 2 PAL/Linux
PAL/Raspi
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
 22:711 (100%)
22:711 (100%)
 view
420 x 2 PAL/Linux
PAL/POSIX
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
 22:711 (100%)
22:711 (100%)
 view
420 x 2 PAL/POSIX
PAL/Raspi
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
 22:711 (100%)
22:711 (100%)
 view
323 x 2 Applications/Lightbulb
Applications/Lock
DB.c
DB.c
 48:390 (81%)
53:395 (64%)
 view
295 x 2 PAL/Linux
PAL/Raspi
HAPPlatformFileManager.c
HAPPlatformFileManager.c
 18:451 (100%)
18:451 (100%)
 view
295 x 2 PAL/Linux
PAL/POSIX
HAPPlatformFileManager.c
HAPPlatformFileManager.c
 18:451 (100%)
18:451 (100%)
 view
295 x 2 PAL/POSIX
PAL/Raspi
HAPPlatformFileManager.c
HAPPlatformFileManager.c
 18:451 (100%)
18:451 (100%)
 view
267 x 2 PAL/Linux
PAL/POSIX
HAPPlatformKeyValueStore.c
HAPPlatformKeyValueStore.c
 15:437 (100%)
15:437 (100%)
 view
267 x 2 PAL/Linux
PAL/Raspi
HAPPlatformKeyValueStore.c
HAPPlatformKeyValueStore.c
 15:437 (100%)
15:437 (100%)
 view
267 x 2 PAL/POSIX
PAL/Raspi
HAPPlatformKeyValueStore.c
HAPPlatformKeyValueStore.c
 15:437 (100%)
15:437 (100%)
 view
170 x 2 PAL/Linux
PAL/POSIX
HAPPlatformServiceDiscovery.c
HAPPlatformServiceDiscovery.c
 13:229 (100%)
13:229 (100%)
 view
170 x 2 PAL/POSIX
PAL/Raspi
HAPPlatformServiceDiscovery.c
HAPPlatformServiceDiscovery.c
 13:229 (100%)
13:229 (100%)
 view
170 x 2 PAL/Linux
PAL/Raspi
HAPPlatformServiceDiscovery.c
HAPPlatformServiceDiscovery.c
 13:229 (100%)
13:229 (100%)
 view
160 x 2 Applications/Lock
Applications
Main.c
Main.c
 24:323 (100%)
24:323 (100%)
 view
160 x 2 Applications/Lightbulb
Applications
Main.c
Main.c
 24:323 (100%)
24:323 (100%)
 view
160 x 2 Applications/Lightbulb
Applications/Lock
Main.c
Main.c
 24:323 (100%)
24:323 (100%)
 view
157 x 2 PAL/Linux
PAL/Raspi
HAPPlatformAccessorySetupNFC.c
HAPPlatformAccessorySetupNFC.c
 148:384 (64%)
148:384 (64%)
 view
Duplicated Units
The list of top 20 duplicated units.
See data for all 88 unit duplicates...
Size#FoldersFilesLinesCode
158 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
 194:366 
194:366 
194:366 
 view
156 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformFileManager.c
HAPPlatformFileManager.c
HAPPlatformFileManager.c
 76:259 
76:259 
76:259 
 view
132 x 4 PAL/Linux
PAL/Mock
PAL/POSIX
PAL/Raspi
HAPPlatformSystemCommand.c
HAPPlatformSystemCommand.c
HAPPlatformSystemCommand.c
HAPPlatformSystemCommand.c
 31:194 
31:194 
31:194 
31:194 
 view
129 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformLog.c
HAPPlatformLog.c
HAPPlatformLog.c
 81:231 
81:231 
81:231 
 view
90 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
 411:519 
411:519 
411:519 
 view
86 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformServiceDiscovery.c
HAPPlatformServiceDiscovery.c
HAPPlatformServiceDiscovery.c
 73:165 
73:165 
73:165 
 view
82 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
 566:659 
566:659 
566:659 
 view
76 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformFileManager.c
HAPPlatformFileManager.c
HAPPlatformFileManager.c
 328:418 
328:418 
328:418 
 view
65 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
 467:545 
467:545 
467:545 
 view
56 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
 549:616 
549:616 
549:616 
 view
55 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformMFiTokenAuth.c
HAPPlatformMFiTokenAuth.c
HAPPlatformMFiTokenAuth.c
 24:83 
24:83 
24:83 
 view
54 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformFileManager.c
HAPPlatformFileManager.c
HAPPlatformFileManager.c
 262:325 
262:325 
262:325 
 view
52 x 3 Applications/Lightbulb
Applications/Lock
Applications
Main.c
Main.c
Main.c
 63:139 
63:139 
63:139 
 view
52 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
HAPPlatformRunLoop.c
 405:465 
405:465 
405:465 
 view
50 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformClock.c
HAPPlatformClock.c
HAPPlatformClock.c
 15:83 
15:83 
15:83 
 view
50 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
HAPPlatformTCPStreamManager.c
 118:176 
118:176 
118:176 
 view
48 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformKeyValueStore.c
HAPPlatformKeyValueStore.c
HAPPlatformKeyValueStore.c
 317:372 
317:372 
317:372 
 view
48 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformServiceDiscovery.c
HAPPlatformServiceDiscovery.c
HAPPlatformServiceDiscovery.c
 167:218 
167:218 
167:218 
 view
43 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformAccessorySetupNFC.c
HAPPlatformAccessorySetupNFC.c
HAPPlatformAccessorySetupNFC.c
 44:90 
44:90 
44:90 
 view
39 x 3 PAL/Linux
PAL/POSIX
PAL/Raspi
HAPPlatformFileManager.c
HAPPlatformFileManager.c
HAPPlatformFileManager.c
 21:73 
21:73 
21:73 
 view