Binary compatibility report for the libmemcached library between 0.8 and 0.9 versions on x86

Test Info

Library Name	libmemcached
Version #1	0.8
Version #2	0.9
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	1
Total Shared Libraries	1
Total Symbols / Types	35 / 39
Verdict	Incompatible (92.9%)

Problem Summary

	Severity	Count
Added Symbols	-	4
Removed Symbols	High	0
Problems with Data Types	High	5
	Medium	8
	Low	7
Problems with Symbols	High	0
	Medium	2
	Low	0
Problems with Constants	Low	0
Other Changes in Data Types	-	1

Added Symbols (4)

memcached.h, libmemcached.so.1.0.1
memcached_append ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint16_t flags )
memcached_cas ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint16_t flags, uint64_t cas )
memcached_prepend ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint16_t flags )
memcached_server_add_udp ( memcached_st* ptr, char* hostname, unsigned int port )

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Problems with Data Types, High Severity (5)

memcached.h
[+] struct memcached_st (5)

	Change	Effect
1	Field read_buffer has been removed from the middle position of this structural type.	1) Previous accesses of applications to the removed field will be incorrect. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
2	Field read_buffer_length has been removed from the middle position of this structural type.	1) Previous accesses of applications to the removed field will be incorrect. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
3	Field read_ptr has been removed from the middle position of this structural type.	1) Previous accesses of applications to the removed field will be incorrect. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
4	Field write_buffer has been removed from the middle position of this structural type.	1) Previous accesses of applications to the removed field will be incorrect. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
5	Field write_buffer_offset has been removed from the middle position of this structural type.	1) Previous accesses of applications to the removed field will be incorrect. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.

[+] affected symbols (30)

memcached_add ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint16_t flags )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_behavior_get ( memcached_st* ptr, enum memcached_behavior flag )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_behavior_set ( memcached_st* ptr, enum memcached_behavior flag, void* data )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_clone ( memcached_st* clone, memcached_st* ptr )

2nd parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_create ( memcached_st* ptr )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_decrement ( memcached_st* ptr, char* key, size_t key_length, unsigned int offset, unsigned int* value )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_delete ( memcached_st* ptr, char* key, size_t key_length, time_t expiration )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_fetch ( memcached_st* ptr, char* key, size_t* key_length, size_t* value_length, uint16_t* flags, enum memcached_return* error )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_fetch_result ( memcached_st* ptr, memcached_result_st* result, enum memcached_return* error )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_flush ( memcached_st* ptr, time_t expiration )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_free ( memcached_st* ptr )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_get ( memcached_st* ptr, char* key, size_t key_length, size_t* value_length, uint16_t* flags, enum memcached_return* error )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_increment ( memcached_st* ptr, char* key, size_t key_length, unsigned int offset, unsigned int* value )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_mget ( memcached_st* ptr, char** keys, size_t* key_length, unsigned int number_of_keys )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_quit ( memcached_st* ptr )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_replace ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint16_t flags )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_result_create ( memcached_st* ptr, memcached_result_st* result )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_result_free ( memcached_result_st* result )

Field 'result->root' in 1st parameter 'result' (pointer) has base type 'struct memcached_st'.

memcached_result_length ( memcached_result_st* ptr )

Field 'ptr->root' in 1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_result_value ( memcached_result_st* ptr )

Field 'ptr->root' in 1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_server_add ( memcached_st* ptr, char* hostname, unsigned int port )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_server_add_unix_socket ( memcached_st* ptr, char* filename )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_server_push ( memcached_st* ptr, memcached_server_st* list )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_set ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint16_t flags )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_stat ( memcached_st* ptr, char* args, enum memcached_return* error )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_stat_free ( memcached_st* p1, memcached_stat_st* p2 )

1st parameter 'p1' (pointer) has base type 'struct memcached_st'.

memcached_stat_get_keys ( memcached_st* ptr, memcached_stat_st* stat, enum memcached_return* error )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_stat_get_value ( memcached_st* ptr, memcached_stat_st* stat, char* key, enum memcached_return* error )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_strerror ( memcached_st* ptr, enum memcached_return rc )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

memcached_verbosity ( memcached_st* ptr, unsigned int verbosity )

1st parameter 'ptr' (pointer) has base type 'struct memcached_st'.

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Problems with Data Types, Medium Severity (8)

memcached.h
[+] struct memcached_server_st (7)

	Change	Effect
1	Field read_buffer has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
2	Field read_buffer_length has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
3	Field read_ptr has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
4	Field servAddr has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
5	Field write_buffer has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
6	Field write_buffer_offset has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
7	Field write_ptr has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.

[+] affected symbols (34)

memcached_add ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint16_t flags )

Field 'ptr->hosts' in 1st parameter 'ptr' (pointer) has base type 'struct memcached_server_st'.

memcached_behavior_get ( memcached_st* ptr, enum memcached_behavior flag )

Field 'ptr->hosts' in 1st parameter 'ptr' (pointer) has base type 'struct memcached_server_st'.

memcached_behavior_set ( memcached_st* ptr, enum memcached_behavior flag, void* data )

Field 'ptr->hosts' in 1st parameter 'ptr' (pointer) has base type 'struct memcached_server_st'.

memcached_clone ( memcached_st* clone, memcached_st* ptr )

Field 'ptr->hosts' in 2nd parameter 'ptr' (pointer) has base type 'struct memcached_server_st'.