Binary compatibility report for the libmcs library between 0.5.0 and 0.6.0 versions on x86

Test Info

Library Name	libmcs
Version #1	0.5.0
Version #2	0.6.0
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	1
Total Shared Libraries	1
Total Symbols / Types	36 / 38
Verdict	Incompatible (44.4%)

Problem Summary

	Severity	Count
Added Symbols	-	1
Removed Symbols	High	7
Problems with Data Types	High	0
	Medium	1
	Low	5
Problems with Symbols	High	0
	Medium	5
	Low	1
Problems with Constants	Low	0

Added Symbols (1)

mcs.h, libmcs.so.1.0.0
mcs_handle_class_init ( )

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Removed Symbols (7)

mcs.h, libmcs.so.1.0.0
mcs_list_append ( mcs_list_t* head, void* data )
mcs_list_find ( mcs_list_t* head, void* data )
mcs_list_free ( mcs_list_t* head )
mcs_list_remove ( mcs_list_t* head )
mcs_list_remove_data ( mcs_list_t* head, void* data )
mcs_log ( char const* fmt, ... )
mcs_log_set_log_func ( mcs_log_func_t func )

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Problems with Data Types, Medium Severity (1)

mcs.h
[+] struct mcs_handle_ (1)

	Change	Effect
1	Field object 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 (15)

mcs_destroy ( mcs_handle_t* handle )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_get_bool ( mcs_handle_t* handle, char const* section, char const* key, int* value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_get_double ( mcs_handle_t* handle, char const* section, char const* key, double* value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_get_float ( mcs_handle_t* handle, char const* section, char const* key, float* value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_get_int ( mcs_handle_t* handle, char const* section, char const* key, int* value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_get_keys ( mcs_handle_t* handle, char const* section )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_get_sections ( mcs_handle_t* handle )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_get_string ( mcs_handle_t* handle, char const* section, char const* key, char** value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_new ( char* domain )

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

mcs_set_bool ( mcs_handle_t* handle, char const* section, char const* key, int value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_set_double ( mcs_handle_t* handle, char const* section, char const* key, double value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_set_float ( mcs_handle_t* handle, char const* section, char const* key, float value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_set_int ( mcs_handle_t* handle, char const* section, char const* key, int value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_set_string ( mcs_handle_t* handle, char const* section, char const* key, char const* value )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

mcs_unset_key ( mcs_handle_t* handle, char const* section, char const* key )

1st parameter 'handle' (pointer) has base type 'struct mcs_handle_'.

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Problems with Symbols, Medium Severity (5)

	Change	Effect
1	Base type of return value has been changed from struct mcs_list_ to struct _mowgli_iterator of different format.	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Type of return value became const (has been changed from char* to char const*).	The return value will be treated as non-const by old client applications. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	Base type of return value has been changed from struct mcs_list_ to struct _mowgli_iterator of different format.	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of return value has been changed from struct mcs_list_ to struct _mowgli_iterator of different format.	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of parameter l has been changed from struct mcs_list_ to struct _mowgli_iterator of different format.	This parameter may be incorrectly initialized by applications.

mcs.h, libmcs.so.1.0.0
[+] mcs_backend_get_list ( ) (1)
[+] mcs_backend_select ( ) (1)
[+] mcs_get_keys ( mcs_handle_t* handle, char const* section ) (1)
[+] mcs_get_sections ( mcs_handle_t* handle ) (1)
[+] mcs_unload_plugins ( mcs_list_t* l ) (1)

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Problems with Data Types, Low Severity (5)

mcs.h
[+] struct mcs_backend_t (4)

	Change	Effect
1	Base type of field mcs_get_keys has been changed from mcs_list_t()(mcs_handle_t,char const) to mowgli_queue_t()(mcs_handle_t,char const).	Replacement of field base type may indicate a change in the semantic meaning of the field.
2	Base type of field mcs_get_sections has been changed from *mcs_list_t()(mcs_handle_t) to mowgli_queue_t()(mcs_handle_t)*.	Replacement of field base type may indicate a change in the semantic meaning of the field.
3	Field name became const.	The value of this field is expected to be const in new library version, but can be modified by old applications.
4	Type of field name has been changed from char* to char const*.	Replacement of the field data type may indicate a change in the semantic meaning of the field.

[+] affected symbols (17)

mcs_backend_register ( struct mcs_backend_t* backend )

1st parameter 'backend' (pointer) has base type 'struct mcs_backend_t'.

mcs_backend_unregister ( struct mcs_backend_t* backend )

1st parameter 'backend' (pointer) has base type 'struct mcs_backend_t'.

mcs_destroy ( mcs_handle_t* handle )

Field 'handle->base' in 1st parameter 'handle' (pointer) has base type 'struct mcs_backend_t'.