Binary compatibility report for the libmemcached library between 0.30 and 0.31 versions on x86

Test Info

Library Name	libmemcached
Version #1	0.30
Version #2	0.31
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	12
Total Shared Libraries	2
Total Symbols / Types	82 / 85
Verdict	Incompatible (37.2%)

Problem Summary

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

Added Symbols (4)

memcached.h, libmemcached.so.2.0.0
memcached_get_memory_allocators ( memcached_st* ptr, memcached_malloc_function* mem_malloc, memcached_free_function* mem_free, memcached_realloc_function* mem_realloc, memcached_calloc_function* mem_calloc ) @@ libmemcached_2
memcached_get_user_data ( memcached_st* ptr ) @@ libmemcached_2
memcached_set_memory_allocators ( memcached_st* ptr, memcached_malloc_function mem_malloc, memcached_free_function mem_free, memcached_realloc_function mem_realloc, memcached_calloc_function mem_calloc ) @@ libmemcached_2
memcached_set_user_data ( memcached_st* ptr, void* data ) @@ libmemcached_2

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Problems with Data Types, Medium Severity (2)

memcached.h
[+] struct memcached_continuum_item_st (1)

	Change	Effect
1	This type became opaque.	The internal structure of this type is hidden in the new library version and may be different. This may result in crash or incorrect behavior of applications.

[+] affected symbols (61)

memcached_add ( memcached_st* ptr, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_add_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_analyze ( memcached_st* memc, memcached_stat_st* stat, enum memcached_return* error ) @@ libmemcached_2

Field 'memc->continuum' in 1st parameter 'memc' (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_append ( memcached_st* ptr, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_append_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_behavior_get ( memcached_st* ptr, enum memcached_behavior flag ) @@ libmemcached_2

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

memcached_behavior_set ( memcached_st* ptr, enum memcached_behavior flag, uint64_t data ) @@ libmemcached_2

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

memcached_callback_get ( memcached_st* ptr, enum memcached_callback flag, enum memcached_return* error ) @@ libmemcached_2

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

memcached_callback_set ( memcached_st* ptr, enum memcached_callback flag, void* data ) @@ libmemcached_2

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

memcached_cas ( memcached_st* ptr, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags, uint64_t cas ) @@ libmemcached_2

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

memcached_cas_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags, uint64_t cas ) @@ libmemcached_2

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

memcached_clone ( memcached_st* clone, memcached_st* ptr ) @@ libmemcached_2

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

memcached_create ( memcached_st* ptr ) @@ libmemcached_2

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

memcached_decrement ( memcached_st* ptr, char const* key, size_t key_length, uint32_t offset, uint64_t* value ) @@ libmemcached_2

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

memcached_decrement_with_initial ( memcached_st* ptr, char const* key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t* value ) @@ libmemcached_2

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

memcached_delete ( memcached_st* ptr, char const* key, size_t key_length, time_t expiration ) @@ libmemcached_2

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

memcached_delete_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, time_t expiration ) @@ libmemcached_2

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

memcached_dump ( memcached_st* ptr, memcached_dump_func* function, void* context, uint32_t number_of_callbacks ) @@ libmemcached_2

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

memcached_fetch ( memcached_st* ptr, char* key, size_t* key_length, size_t* value_length, uint32_t* flags, enum memcached_return* error ) @@ libmemcached_2

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

memcached_fetch_execute ( memcached_st* ptr, memcached_execute_function* callback, void* context, unsigned int number_of_callbacks ) @@ libmemcached_2

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

memcached_fetch_result ( memcached_st* ptr, memcached_result_st* result, enum memcached_return* error ) @@ libmemcached_2

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

memcached_flush ( memcached_st* ptr, time_t expiration ) @@ libmemcached_2

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

memcached_flush_buffers ( memcached_st* mem ) @@ libmemcached_2

Field 'mem->continuum' in 1st parameter 'mem' (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_free ( memcached_st* ptr ) @@ libmemcached_2

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

memcached_generate_hash ( memcached_st* ptr, char const* key, size_t key_length ) @@ libmemcached_2

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

memcached_get ( memcached_st* ptr, char const* key, size_t key_length, size_t* value_length, uint32_t* flags, enum memcached_return* error ) @@ libmemcached_2

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

memcached_get_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, size_t* value_length, uint32_t* flags, enum memcached_return* error ) @@ libmemcached_2

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

memcached_increment ( memcached_st* ptr, char const* key, size_t key_length, uint32_t offset, uint64_t* value ) @@ libmemcached_2

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

memcached_increment_with_initial ( memcached_st* ptr, char const* key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t* value ) @@ libmemcached_2

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

memcached_mget ( memcached_st* ptr, char** keys, size_t* key_length, unsigned int number_of_keys ) @@ libmemcached_2

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

memcached_mget_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char** keys, size_t* key_length, unsigned int number_of_keys ) @@ libmemcached_2

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

memcached_pool_create ( memcached_st* mmc, uint32_t initial, uint32_t max ) @@ libmemcachedutil_0

Field 'mmc->continuum' in 1st parameter 'mmc' (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_pool_destroy ( memcached_pool_st* pool ) @@ libmemcachedutil_0

Field 'retval->continuum' in return value (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_pool_pop ( memcached_pool_st* pool, bool block, enum memcached_return* rc ) @@ libmemcachedutil_0

Field 'retval->continuum' in return value (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_pool_push ( memcached_pool_st* pool, memcached_st* mmc ) @@ libmemcachedutil_0

Field 'mmc->continuum' in 2nd parameter 'mmc' (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_prepend ( memcached_st* ptr, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_prepend_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_quit ( memcached_st* ptr ) @@ libmemcached_2

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

memcached_replace ( memcached_st* ptr, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_replace_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_result_create ( memcached_st* ptr, memcached_result_st* result ) @@ libmemcached_2

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

memcached_server_add ( memcached_st* ptr, char const* hostname, unsigned int port ) @@ libmemcached_2

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

memcached_server_add_udp ( memcached_st* ptr, char const* hostname, unsigned int port ) @@ libmemcached_2

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

memcached_server_add_udp_with_weight ( memcached_st* ptr, char const* hostname, unsigned int port, uint32_t weight ) @@ libmemcached_2

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

memcached_server_add_unix_socket ( memcached_st* ptr, char const* filename ) @@ libmemcached_2

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

memcached_server_add_unix_socket_with_weight ( memcached_st* ptr, char const* filename, uint32_t weight ) @@ libmemcached_2

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

memcached_server_add_with_weight ( memcached_st* ptr, char const* hostname, unsigned int port, uint32_t weight ) @@ libmemcached_2

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

memcached_server_by_key ( memcached_st* ptr, char const* key, size_t key_length, enum memcached_return* error ) @@ libmemcached_2

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

memcached_server_create ( memcached_st* memc, memcached_server_st* ptr ) @@ libmemcached_2

Field 'memc->continuum' in 1st parameter 'memc' (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_server_create_with ( memcached_st* memc, memcached_server_st* host, char const* hostname, unsigned int port, uint32_t weight, enum memcached_connection type ) @@ libmemcached_2

Field 'memc->continuum' in 1st parameter 'memc' (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_server_cursor ( memcached_st* ptr, memcached_server_function* callback, void* context, unsigned int number_of_callbacks ) @@ libmemcached_2

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

memcached_server_push ( memcached_st* ptr, memcached_server_st* list ) @@ libmemcached_2

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

memcached_set ( memcached_st* ptr, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_set_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_stat ( memcached_st* ptr, char* args, enum memcached_return* error ) @@ libmemcached_2

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

memcached_stat_free ( memcached_st* p1, memcached_stat_st* p2 ) @@ libmemcached_2

Field 'p1->continuum' in 1st parameter 'p1' (pointer) has base type 'struct memcached_continuum_item_st'.

memcached_stat_get_keys ( memcached_st* ptr, memcached_stat_st* stat, enum memcached_return* error ) @@ libmemcached_2

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

memcached_stat_get_value ( memcached_st* ptr, memcached_stat_st* stat, char const* key, enum memcached_return* error ) @@ libmemcached_2

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

memcached_strerror ( memcached_st* ptr, enum memcached_return rc ) @@ libmemcached_2

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

memcached_string_create ( memcached_st* ptr, memcached_string_st* string, size_t initial_size ) @@ libmemcached_2

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

memcached_verbosity ( memcached_st* ptr, unsigned int verbosity ) @@ libmemcached_2

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

[+] struct memcached_st (1)

	Change	Effect
1	Field call_calloc 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 (61)

memcached_add ( memcached_st* ptr, char const* key, size_t key_length, char const* value, size_t value_length, time_t expiration, uint32_t flags ) @@ libmemcached_2

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

memcached_analyze ( memcached_st* memc, memcached_stat_st* stat, enum memcached_return* error ) @@ libmemcached_2

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