Binary compatibility report for the libmemcached library between 0.18 and 0.19 versions on x86

Test Info

Library Name	libmemcached
Version #1	0.18
Version #2	0.19
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	9
Total Shared Libraries	1
Total Symbols / Types	61 / 68
Verdict	Incompatible (36.9%)

Problem Summary

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

Added Symbols (2)

memcached_result.h, libmemcached.so.2.0.0
memcached_result_reset ( memcached_result_st* ptr )
memcached_result_set_value ( memcached_result_st* ptr, char* value, size_t length )

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Problems with Data Types, Medium Severity (1)

memcached.h
[+] struct memcached_st (1)

	Change	Effect
1	Size of field result has been changed from 300 bytes to 304 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.

[+] affected symbols (45)

memcached_add ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_t flags )

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

memcached_add_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_t flags )

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

memcached_append ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_t flags )

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

memcached_append_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_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, uint64_t data )

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

memcached_callback_get ( memcached_st* ptr, enum memcached_callback flag, enum memcached_return* error )

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

memcached_callback_set ( memcached_st* ptr, enum memcached_callback flag, void* data )

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

memcached_cas ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_t flags, uint64_t cas )

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

memcached_cas_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_t flags, uint64_t cas )

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

memcached_clone ( memcached_st* clone, memcached_st* ptr )

1st parameter 'clone' (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, uint32_t offset, uint64_t* 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_delete_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, 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, uint32_t* flags, enum memcached_return* error )

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

memcached_fetch_execute ( memcached_st* ptr, unsigned int(**callback)(memcached_st*, memcached_result_st*, void*), void* context, unsigned int number_of_callbacks )

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, uint32_t* flags, enum memcached_return* error )

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

memcached_get_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, char* key, size_t key_length, size_t* value_length, uint32_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, uint32_t offset, uint64_t* 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_mget_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, char** keys, size_t* key_length, unsigned int number_of_keys )

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

memcached_prepend ( memcached_st* ptr, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_t flags )

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

memcached_prepend_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_t flags )

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, uint32_t flags )

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

memcached_replace_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_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_server_add ( memcached_st* ptr, char* hostname, unsigned int port )

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

memcached_server_add_udp ( 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_cursor ( memcached_st* ptr, memcached_server_function* callback, void* context, unsigned int number_of_callbacks )

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, uint32_t flags )

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

memcached_set_by_key ( memcached_st* ptr, char* master_key, size_t master_key_length, char* key, size_t key_length, char* value, size_t value_length, time_t expiration, uint32_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_string_create ( memcached_st* ptr, memcached_string_st* string, size_t initial_size )

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, Low Severity (5)

memcached.h
[+] struct memcached_st (3)

	Change	Effect
1	Field delete_trigger has been added to this type.	1) This field will not be initialized by old clients. 2) Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Field get_key_failure has been added to this type.	1) This field will not be initialized by old clients. 2) Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
3	Size of this type has been changed from 4472 bytes to 4484 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.