Binary compatibility report for the libmemcached library between 1.0.5 and 1.0.6 versions on x86

Test Info

Library Name	libmemcached
Version #1	1.0.5
Version #2	1.0.6
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	79
Total Shared Libraries	4
Total Symbols / Types	189 / 201
Verdict	Incompatible (33.9%)

Problem Summary

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

Added Symbols (7)

encoding_key.h, libmemcached.so.10.0.0
memcached_set_encoding_key ( memcached_st* p1, char const* str, size_t length )

hashkit.h, libmemcached.so.10.0.0
hashkit_decrypt ( hashkit_st* p1, char const* source, size_t source_length )
hashkit_encrypt ( hashkit_st* p1, char const* source, size_t source_length )
hashkit_key ( hashkit_st* p1, char const* key, size_t const key_length )

string.h, libmemcached.so.10.0.0
hashkit_string_c_str ( hashkit_string_st const* self )
hashkit_string_free ( hashkit_string_st* ptr )
hashkit_string_length ( hashkit_string_st const* self )

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Problems with Data Types, High Severity (1)

server.h
[+] struct memcached_server_st (1)

	Change	Effect
1	Size of this type has been changed from 17528 bytes to 17532 bytes.	Layout of parameter's stack of several functions has been changed and therefore parameters at higher positions in the stack may be incorrectly initialized by applications.

[+] affected symbols (11)

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Problems with Data Types, Medium Severity (2)

memcached.h
[+] struct memcached_st (1)

	Change	Effect
1	Size of field hashkit has been changed from 20 bytes to 24 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 (104)

libmemcached_util_version_check ( memcached_st* memc, uint8_t major_version, uint8_t minor_version, uint8_t micro_version )

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

memcached ( char const* string, size_t string_length )

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

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* group_key, size_t group_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, 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* group_key, size_t group_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_autoeject ( memcached_st* ptr )

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

memcached_behavior_get ( memcached_st* ptr, 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, 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, memcached_server_distribution_t type )

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

memcached_behavior_set_distribution_hash ( memcached_st* ptr, memcached_hash_t type )

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

memcached_behavior_set_key_hash ( memcached_st* ptr, memcached_hash_t type )

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

memcached_bucket_set ( memcached_st* self, uint32_t const* host_map, uint32_t const* forward_map, uint32_t const buckets, uint32_t const replicas )

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

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

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

memcached_callback_set ( memcached_st* ptr, memcached_callback_t const flag, void const* 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* group_key, size_t group_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 const* 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* group_key, size_t group_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* group_key, size_t group_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* group_key, size_t group_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_error_print ( memcached_st const* p1 )

1st parameter 'p1' (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, 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, uint32_t number_of_callbacks )

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

memcached_fetch_result ( memcached_st* ptr, memcached_result_st* result, 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 const* 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, memcached_return_t* error )

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

memcached_get_by_key ( memcached_st* ptr, char const* group_key, size_t group_key_length, char const* key, size_t key_length, size_t* value_length, uint32_t* flags, memcached_return_t* error )

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

memcached_get_hashkit ( memcached_st const* ptr )

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

memcached_get_memory_allocators ( memcached_st const* 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_memory_allocators_context ( memcached_st const* ptr )

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

memcached_get_sasl_callbacks ( memcached_st* ptr )

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

memcached_get_user_data ( memcached_st const* 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* group_key, size_t group_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* group_key, size_t group_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_last_error ( memcached_st* p1 )

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

memcached_last_error_errno ( memcached_st* p1 )

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

memcached_last_error_message ( memcached_st* p1 )

1st parameter 'p1' (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* group_key, size_t group_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* group_key, size_t group_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_fetch ( memcached_pool_st* p1, struct timespec* relative_time, memcached_return_t* rc )

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

memcached_pool_pop ( memcached_pool_st* pool, bool block, 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_pool_release ( 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* group_key, size_t group_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_push ( memcached_st* destination, memcached_st const* source )

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

memcached_query_id ( memcached_st const* p1 )

1st parameter 'p1' (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* group_key, size_t group_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_reset ( memcached_st* ptr )

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

memcached_reset_last_disconnected_server ( memcached_st* ptr )

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

memcached_result_create ( memcached_st const* 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, memcached_return_t* error )

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

memcached_server_count ( memcached_st const* p1 )

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

memcached_server_cursor ( memcached_st const* ptr, memcached_server_fn const* 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 const* ptr )

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

memcached_server_instance_by_position ( memcached_st const* ptr, uint32_t server_key )

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

memcached_server_push ( memcached_st* ptr, memcached_server_list_st const list )

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

memcached_servers_reset ( memcached_st* ptr )

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* group_key, size_t group_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_hashkit ( memcached_st* ptr, hashkit_st* hashk )

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, void* context )

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

memcached_set_sasl_auth_data ( memcached_st* ptr, char const* username, char const* password )

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

memcached_set_sasl_callbacks ( memcached_st* ptr, void const* callbacks )

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, memcached_return_t* error )

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

memcached_stat_execute ( memcached_st* memc, char const* args, memcached_stat_fn func, void* context )

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

memcached_stat_free ( memcached_st const* 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, 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 const* ptr, memcached_stat_st* memc_stat, char const* key, 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, memcached_return_t rc )

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

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

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

memcached_touch_by_key ( memcached_st* ptr, char const* group_key, size_t group_key_length, char const* key, size_t key_length, time_t expiration )

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

memcached_verbosity ( memcached_st* ptr, uint32_t 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'.

server.h
[+] struct memcached_server_st (1)

	Change	Effect
1	Size of field io_wait_count has been changed from 8 bytes to 12 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 (117)

libmemcached_util_version_check ( memcached_st* memc, uint8_t major_version, uint8_t minor_version, uint8_t micro_version )

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

memcached ( char const* string, size_t string_length )

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

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, memcached_return_t* error )

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

memcached_analyze_free ( memcached_analysis_st* p1 )

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