Binary compatibility report between libevent_openssl-2.1.so.7.0.1 (2.1.12) and libevent_openssl-2.2.so.1.0.0 (current) objects on x86_64

Test Info

Module Name	libevent_openssl-2.1
Version #1	2.1.12
Version #2	current
Arch	x86_64
GCC Version	7.5.0

Test Results

Total Header Files	4
Total Source Files	1
Total Objects	1
Total Symbols / Types	7 / 28
Compatibility	50%

Problem Summary

	Severity	Count
Added Symbols	-	3
Removed Symbols	High	0
Problems with Data Types	High	0
	Medium	7
	Low	2
Problems with Symbols	High	0
	Medium	0
	Low	1
Problems with Constants	Low	0

Added Symbols 3

bufferevent_ssl.h, libevent_openssl-2.2.so.1.0.0
bufferevent_ssl_clear_flags ( struct bufferevent* bev, uint64_t flags )
bufferevent_ssl_get_flags ( struct bufferevent* bev )
bufferevent_ssl_set_flags ( struct bufferevent* bev, uint64_t flags )

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Problems with Data Types, Medium Severity 7

	Change	Effect
1	Size of field ev_read has been changed from 128 bytes to 120 bytes.	Previous accesses of applications and library functions to this field may be broken.
2	Size of field ev_write has been changed from 128 bytes to 120 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field and fields at higher positions of the structure definition may be broken.

bufferevent_struct.h
[+] struct bufferevent 2

event_struct.h
[+] struct event 4

	Change	Effect
1	The relative position of field ev_ has been changed from 4 to 6.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
2	The relative position of field ev_base has been changed from 3 to 5.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
3	The relative position of field ev_events has been changed from 5 to 3.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
4	The relative position of field ev_res has been changed from 6 to 4.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.

[+] affected symbols: 7 (100%)

	Change	Effect
1	Type of field min_heap_idx has been changed from int (4 bytes) to size_t (8 bytes).	This field may be incorrectly initialized or accessed by applications.

[+] union anon-union-event_struct.h-127 1

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Problems with Data Types, Low Severity 2

	Change	Effect
1	Size of this type has been changed from 392 bytes to 376 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

	Change	Effect
1	Size of this type has been changed from 128 bytes to 120 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

bufferevent_struct.h
[+] struct bufferevent 1

event_struct.h
[+] struct event 1

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Problems with Symbols, Low Severity 1

	Change	Effect
1	1st parameter bev has been renamed to bufev.	Renaming of a parameter may indicate a change in its semantic meaning.

bufferevent_ssl.h, libevent_openssl-2.1.so.7.0.1
[+] bufferevent_get_openssl_error ( struct bufferevent* bev ) 1

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Header Files 4

bufferevent.h
bufferevent_ssl.h
bufferevent_struct.h
event_struct.h

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Source Files 1

bufferevent_openssl.c

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Objects 1

libevent_openssl-2.1.so.7.0.1

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