Binary compatibility report for the libudev library between 054 and 055 versions on x86

Test Info

Library Name	libudev
Version #1	054
Version #2	055
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	13
Total Shared Libraries	1
Total Symbols / Types	41 / 43
Verdict	Incompatible (50%)

Problem Summary

	Severity	Count
Added Symbols	-	13
Removed Symbols	High	11
Problems with Data Types	High	1
	Medium	13
	Low	1
Problems with Symbols	High	0
	Medium	9
	Low	6
Problems with Constants	Low	30
Other Changes in Constants	-	22

Added Symbols (13)

udev_db.h, udev.so
udev_db_dump_names ( int(*handler_function)(char const*, char const*) )
udev_db_get_device ( struct udevice* udev, char const* devpath )
udev_db_search_name ( char* devpath, size_t len, char const* name )

udev_libc_wrapper.h, udev.so
lookup_group ( char const* group )
lookup_user ( char const* user )
strlcat ( char* dst, char const* src, size_t size )
strlcpy ( char* dst, char const* src, size_t size )

udev_rules.h, udev.so
udev_rule_list [data]
udev_rules_close ( )
udev_rules_get_name ( struct udevice* udev, struct sysfs_class_device* class_dev )
udev_rules_init ( )

udev_utils.h, udev.so
name_list_add ( struct list_head* name_list, char const* name, int sort )
udev_cleanup_device ( struct udevice* udev )

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Removed Symbols (11)

namedev.h, udev.so
config_device_list [data]
dump_config_dev ( struct config_device* dev )
dump_config_dev_list ( )
namedev_close ( )
namedev_init ( )
namedev_name_device ( struct udevice* udev, struct sysfs_class_device* class_dev )

udev.h, udev.so
udev_start ( )

udev_db.h, udev.so
udev_db_call_foreach ( int(*handler_function)(struct udevice*) )
udev_db_get_device_by_devpath ( struct udevice* dev, char const* devpath )
udev_db_get_device_by_name ( struct udevice* udev, char const* name )

udev_utils.h, udev.so
parse_get_pair ( char** orig_string, char** left, char** right )

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Problems with Data Types, High Severity (1)

	Change	Effect
1	Field symlink 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.

udev.h
[+] struct udevice (1)

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Problems with Data Types, Medium Severity (13)

	Change	Effect
1	Field symlink_list 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	Type of field kernel_number has been changed from char[256] (256 bytes) to char[128] (128 bytes).	This field may be incorrectly initialized or accessed by applications.
3	Type of field type has been changed from char (1 byte) to enum device_type (4 bytes).	This field may be incorrectly initialized or accessed by applications.
4	Type of field bus_id has been changed from char[64] (64 bytes) to char[128] (128 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.
5	Type of field kernel_name has been changed from char[256] (256 bytes) to char[128] (128 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.
6	Type of field subsystem has been changed from char[32] (32 bytes) to char[128] (128 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.
7	The relative position of field devname has been changed from 8 to 4.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
8	The relative position of field devt has been changed from 7 to 8.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
9	The relative position of field group has been changed from 4 to 6.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
10	The relative position of field mode has been changed from 5 to 7.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
11	The relative position of field name has been changed from 2 to 3.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
12	The relative position of field owner has been changed from 3 to 5.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
13	The relative position of field type has been changed from 6 to 2.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.

udev.h
[+] struct udevice (13)

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Problems with Symbols, Medium Severity (9)

	Change	Effect
1	Size of this global data has been changed from 4351 bytes to 256 bytes.	Applications will obtain a different value and execution may change.
2	Type of this global data has been changed from char[4351] (4351 bytes) to char[256] (256 bytes).	Applications will obtain a different value and execution may change.

	Change	Effect
1	Size of this global data has been changed from 4351 bytes to 256 bytes.	Applications will obtain a different value and execution may change.
2	Type of this global data has been changed from char[4351] (4351 bytes) to char[256] (256 bytes).	Applications will obtain a different value and execution may change.

	Change	Effect
1	Size of this global data has been changed from 4096 bytes to 256 bytes.	Applications will obtain a different value and execution may change.
2	Type of this global data has been changed from char[4096] (4096 bytes) to char[256] (256 bytes).	Applications will obtain a different value and execution may change.

	Change	Effect
1	Size of this global data has been changed from 4351 bytes to 256 bytes.	Applications will obtain a different value and execution may change.
2	Type of this global data has been changed from char[4351] (4351 bytes) to char[256] (256 bytes).	Applications will obtain a different value and execution may change.

	Change	Effect
1	Base type of 2nd parameter dirname has been changed from char (1 byte) to struct udevice (2152 bytes).	This parameter may be incorrectly initialized by applications.

udev.h, udev.so
[+] udev_config_filename [data] (2)
[+] udev_db_path [data] (2)
[+] udev_root [data] (2)
[+] udev_rules_filename [data] (2)

udev_utils.h, udev.so
[+] call_foreach_file ( file_fnct_t fnct, char const* dirname, char const* suffix, void* data ) (1)

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Problems with Data Types, Low Severity (1)

	Change	Effect
1	Size of this type has been changed from 2496 bytes to 2152 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

udev.h
[+] struct udevice (1)

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Problems with Symbols, Low Severity (6)

	Change	Effect
1	Base type of 1st parameter fnct has been changed from int()(char const,void) to int()(struct udevice,char const).	Replacement of parameter base type may indicate a change in its semantic meaning.
2	Type of 4th parameter data has been changed from void* to char const*.	Replacement of parameter data type may indicate a change in its semantic meaning.
3	1st parameter fnct has been renamed to handler_function.	Renaming of a parameter may indicate a change in its semantic meaning.
4	2nd parameter dirname has been renamed to udev.	Renaming of a parameter may indicate a change in its semantic meaning.
5	3rd parameter suffix has been renamed to dirname.	Renaming of a parameter may indicate a change in its semantic meaning.
6	4th parameter data has been renamed to suffix.	Renaming of a parameter may indicate a change in its semantic meaning.

udev_utils.h, udev.so
[+] call_foreach_file ( file_fnct_t fnct, char const* dirname, char const* suffix, void* data ) (6)

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Problems with Constants, Low Severity (30)

	Change	Effect
1	The constant HLIST_HEAD_INIT with value { .first = NULL } has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant ATTR_IGNORE_DEVICE with value "ignore_device" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant ATTR_IGNORE_REMOVE with value "ignore_remove" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant ATTR_PARTITIONS with value "all_partitions" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant BUS_SIZE with value 32 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant DRIVER_SIZE with value 64 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_BUS with value "BUS" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_DRIVER with value "DRIVER" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_GROUP with value "GROUP" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_ID with value "ID" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_KERNEL with value "KERNEL" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_MODE with value "MODE" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_NAME with value "NAME" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_OPTIONS with value "OPTIONS" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_OWNER with value "OWNER" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_PLACE with value "PLACE" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_PROGRAM with value "PROGRAM" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_RESULT with value "RESULT" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_SUBSYSTEM with value "SUBSYSTEM" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_SYMLINK with value "SYMLINK" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FIELD_SYSFS with value "SYSFS" has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant FILE_SIZE with value 64 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant ID_SIZE with value 64 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant MAX_SYSFS_PAIRS with value 5 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant PLACE_SIZE with value 64 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant PROGRAM_SIZE with value 128 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant ACTION_SIZE with value 32 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The constant DEVPATH_SIZE with value 256 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

	Change	Effect
1	The value of constant NAME_SIZE has been changed from 256 to 128.	Applications will pass an old value of this constant as the parameter to the new-version library functions, that expect a new one. This may result in crash of incorrect behavior of applications.

	Change	Effect
1	The constant SUBSYSTEM_SIZE with value 32 has been removed.	The value of this constant may no longer be properly handled by new-version library functions.

list.h
[+] HLIST_HEAD_INIT

namedev.h
[+] ATTR_IGNORE_DEVICE
[+] ATTR_IGNORE_REMOVE
[+] ATTR_PARTITIONS
[+] BUS_SIZE
[+] DRIVER_SIZE
[+] FIELD_BUS
[+] FIELD_DRIVER
[+] FIELD_GROUP
[+] FIELD_ID
[+] FIELD_KERNEL
[+] FIELD_MODE
[+] FIELD_NAME
[+] FIELD_OPTIONS
[+] FIELD_OWNER
[+] FIELD_PLACE
[+] FIELD_PROGRAM
[+] FIELD_RESULT
[+] FIELD_SUBSYSTEM
[+] FIELD_SYMLINK
[+] FIELD_SYSFS
[+] FILE_SIZE
[+] ID_SIZE
[+] MAX_SYSFS_PAIRS
[+] PLACE_SIZE
[+] PROGRAM_SIZE

udev.h
[+] ACTION_SIZE
[+] DEVPATH_SIZE
[+] NAME_SIZE
[+] SUBSYSTEM_SIZE

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Other Changes in Constants (22)

	Change	Effect
1	The constant PATH_SIZE with value 256 has been added.	No effect.

	Change	Effect
1	The constant KEY_BUS with value "BUS" has been added.	No effect.

	Change	Effect
1	The constant KEY_DRIVER with value "DRIVER" has been added.	No effect.

	Change	Effect
1	The constant KEY_ENV with value "ENV" has been added.	No effect.

	Change	Effect
1	The constant KEY_ENV_PAIRS_MAX with value 5 has been added.	No effect.

	Change	Effect
1	The constant KEY_GROUP with value "GROUP" has been added.	No effect.

	Change	Effect
1	The constant KEY_ID with value "ID" has been added.	No effect.

	Change	Effect
1	The constant KEY_KERNEL with value "KERNEL" has been added.	No effect.

udev.h
[+] PATH_SIZE

udev_rules.h
[+] KEY_BUS
[+] KEY_DRIVER
[+] KEY_ENV
[+] KEY_ENV_PAIRS_MAX
[+] KEY_GROUP
[+] KEY_ID
[+] KEY_KERNEL
[+] KEY_MODE
[+] KEY_NAME
[+] KEY_OPTIONS
[+] KEY_OWNER
[+] KEY_PROGRAM
[+] KEY_RESULT
[+] KEY_SUBSYSTEM
[+] KEY_SYMLINK
[+] KEY_SYSFS
[+] KEY_SYSFS_PAIRS_MAX
[+] OPTION_IGNORE_DEVICE
[+] OPTION_IGNORE_REMOVE
[+] OPTION_LAST_RULE
[+] OPTION_PARTITIONS

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Header Files (13)

dlist.h
libsysfs.h
list.h
logging.h
namedev.h
sysfs.h
udev.h
udev_db.h
udev_selinux.h
udev_sysfs.h
udev_utils.h
udev_version.h
udevd.h

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Shared Libraries (1)

udev.so

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