Binary compatibility report for the libmemcached library between 0.36 and 0.37 versions on x86

Test Info

Library Name	libmemcached
Version #1	0.36
Version #2	0.37
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	28
Total Shared Libraries	4
Total Symbols / Types	136 / 136
Verdict	Incompatible (63.2%)

Problem Summary

	Severity	Count
Added Symbols	-	1
Removed Symbols	High	0
Problems with Data Types	High	1
	Medium	6
	Low	23
Problems with Symbols	High	0
	Medium	0
	Low	0
Problems with Constants	Low	0

Added Symbols (1)

memcached.h, libmemcached.so.4.0.0
memcached_servers_reset ( memcached_st* ptr )

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Problems with Data Types, High Severity (1)

memcached.h
[+] struct memcached_st (1)

	Change	Effect
1	Field cursor_server 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 (80)

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 )

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

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

memcached_analyze ( memcached_st* memc, memcached_stat_st* memc_stat, enum memcached_return_t* error )

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

memcached_analyze_free ( memcached_analysis_st* p1 )

Field 'p1->root' in 1st parameter 'p1' (pointer) has base type 'struct memcached_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 )

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

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

memcached_behavior_get ( memcached_st* ptr, enum memcached_behavior_t const flag )

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

memcached_behavior_get_distribution ( memcached_st* ptr )

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

memcached_behavior_get_distribution_hash ( memcached_st* ptr )

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

memcached_behavior_get_key_hash ( memcached_st* ptr )

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

memcached_behavior_set ( memcached_st* ptr, enum memcached_behavior_t const flag, uint64_t data )

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

memcached_behavior_set_distribution ( memcached_st* ptr, enum memcached_server_distribution_t type )

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

memcached_behavior_set_distribution_hash ( memcached_st* ptr, enum memcached_hash_t type )

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

memcached_behavior_set_key_hash ( memcached_st* ptr, enum memcached_hash_t type )

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

memcached_callback_get ( memcached_st* ptr, enum memcached_callback_t const flag, enum memcached_return_t* error )

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

memcached_callback_set ( memcached_st* ptr, enum memcached_callback_t const flag, void* data )

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

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

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 const* key, size_t key_length, uint32_t offset, uint64_t* value )

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

memcached_decrement_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, uint64_t offset, uint64_t* value )

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

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

memcached_decrement_with_initial_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t* value )

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

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

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

memcached_dump ( memcached_st* ptr, memcached_dump_fn* function, void* context, uint32_t number_of_callbacks )

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_t* error )

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

memcached_fetch_execute ( memcached_st* ptr, memcached_execute_fn* callback, 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_t* 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_flush_buffers ( memcached_st* mem )

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

memcached_free ( memcached_st* ptr )

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

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

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

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

1st parameter 'ptr' (pointer) has base type 'struct memcached_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_t* error )

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

memcached_get_memory_allocators ( memcached_st* ptr, memcached_malloc_fn* mem_malloc, memcached_free_fn* mem_free, memcached_realloc_fn* mem_realloc, memcached_calloc_fn* mem_calloc )

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

memcached_get_user_data ( memcached_st* ptr )

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

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

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

memcached_increment_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, uint64_t offset, uint64_t* value )

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

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

memcached_increment_with_initial_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const* key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t* value )

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

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

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

memcached_mget_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const*const* keys, size_t const* key_length, size_t const number_of_keys )

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

memcached_mget_execute ( memcached_st* ptr, char const*const* keys, size_t const* key_length, size_t const number_of_keys, memcached_execute_fn* callback, void* context, uint32_t const number_of_callbacks )

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

memcached_mget_execute_by_key ( memcached_st* ptr, char const* master_key, size_t master_key_length, char const*const* keys, size_t const* key_length, size_t number_of_keys, memcached_execute_fn* callback, void* context, uint32_t const number_of_callbacks )

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

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

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

memcached_pool_destroy ( memcached_pool_st* pool )

Return value (pointer) has base type 'struct memcached_st'.

memcached_pool_pop ( memcached_pool_st* pool, bool block, enum memcached_return_t* rc )

Return value (pointer) has base type 'struct memcached_st'.

memcached_pool_push ( memcached_pool_st* pool, memcached_st* mmc )

2nd parameter 'mmc' (pointer) has base type 'struct memcached_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 )

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

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 const* key, size_t key_length, char const* 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 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 )

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 const* hostname, in_port_t port )

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

memcached_server_add_udp ( memcached_st* ptr, char const* hostname, in_port_t port )

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

memcached_server_add_udp_with_weight ( memcached_st* ptr, char const* hostname, in_port_t port, uint32_t weight )

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

memcached_server_add_unix_socket ( memcached_st* ptr, char const* filename )

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

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

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

memcached_server_add_with_weight ( memcached_st* ptr, char const* hostname, in_port_t port, uint32_t weight )

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

memcached_server_by_key ( memcached_st* ptr, char const* key, size_t key_length, enum memcached_return_t* error )

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

memcached_server_create ( memcached_st* memc, memcached_server_st* ptr )

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

memcached_server_create_with ( memcached_st* memc, memcached_server_st* host, char const* hostname, in_port_t port, uint32_t weight, enum memcached_connection_t type )

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

memcached_server_cursor ( memcached_st* ptr, memcached_server_fn* callback, void* context, uint32_t number_of_callbacks )

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

memcached_server_get_last_disconnect ( memcached_st* ptr )

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 const* key, size_t key_length, char const* 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 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 )

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

memcached_set_memory_allocators ( memcached_st* ptr, memcached_malloc_fn mem_malloc, memcached_free_fn mem_free, memcached_realloc_fn mem_realloc, memcached_calloc_fn mem_calloc )

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

memcached_set_user_data ( memcached_st* ptr, void* data )

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

memcached_stat ( memcached_st* ptr, char* args, enum memcached_return_t* 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* memc_stat, enum memcached_return_t* error )

Field 'memc_stat->root' in 2nd parameter 'memc_stat' (pointer) has base type 'struct memcached_st'.

memcached_stat_get_value ( memcached_st* ptr, memcached_stat_st* memc_stat, char const* key, enum memcached_return_t* error )

Field 'memc_stat->root' in 2nd parameter 'memc_stat' (pointer) has base type 'struct memcached_st'.

memcached_stat_servername ( memcached_stat_st* memc_stat, char* args, char const* hostname, in_port_t port )

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

memcached_strerror ( memcached_st* ptr, enum memcached_return_t 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'.

memcached_version ( memcached_st* ptr )

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

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Problems with Data Types, Medium Severity (6)

callback.h
[+] struct memcached_binary_protocol_callback_st (2)

	Change	Effect
1	Field unknown 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	Size of field interface has been changed from 1 byte to 1024 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field may be broken.

[+] affected symbols (2)

memcached_binary_protocol_get_callbacks ( memcached_protocol_st* instance )

Return value (pointer) has base type 'struct memcached_binary_protocol_callback_st'.

memcached_binary_protocol_set_callbacks ( memcached_protocol_st* instance, struct memcached_binary_protocol_callback_st* callback )

2nd parameter 'callback' (pointer) has base type 'struct memcached_binary_protocol_callback_st'.

[+] union memcached_binary_protocol_callback_st::anon-union-callback.h-406 (2)

	Change	Effect
1	Size of field v0 has been changed from 1 byte to 1024 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field may be broken.
2	Size of field v1 has been changed from 1 byte to 56 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field may be broken.

[+] affected symbols (2)

memcached_binary_protocol_get_callbacks ( memcached_protocol_st* instance )

Field 'retval->interface' in return value (pointer) has type 'memcached_binary_protocol_callback_st::anon-union-callback.h-406'.

memcached_binary_protocol_set_callbacks ( memcached_protocol_st* instance, struct memcached_binary_protocol_callback_st* callback )

Field 'callback->interface' in 2nd parameter 'callback' (pointer) has type 'memcached_binary_protocol_callback_st::anon-union-callback.h-406'.

server.h
[+] struct memcached_server_st (2)

	Change	Effect
1	Field number_of_hosts 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 count has been removed from this type.	Applications will access incorrect memory when attempting to access this field.

[+] affected symbols (90)

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 )

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

memcached_analyze ( memcached_st* memc, memcached_stat_st* memc_stat, enum memcached_return_t* error )

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

memcached_analyze_free ( memcached_analysis_st* p1 )

Field 'p1->root->hosts' in 1st parameter 'p1' (pointer) has base type 'struct memcached_server_st'.