Binary compatibility report for the Tcl library between 8.3.1 and 8.3.2 versions on x86

Test Info

Library Name	Tcl
Version #1	8.3.1
Version #2	8.3.2
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	2
Total Shared Libraries	1
Total Symbols / Types	394 / 415
Verdict	Incompatible (0.4%)

Problem Summary

	Severity	Count
Added Symbols	-	18
Removed Symbols	High	0
Problems with Data Types	High	0
	Medium	1
	Low	24
Problems with Symbols	High	0
	Medium	0
	Low	1
Problems with Constants	Low	0

Added Symbols (18)

tclDecls.h, libtcl8.3.so
Tcl_ChannelBlockModeProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelBuffered ( Tcl_Channel chan )
Tcl_ChannelClose2Proc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelCloseProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelFlushProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelGetHandleProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelGetOptionProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelHandlerProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelInputProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelName ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelOutputProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelSeekProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelSetOptionProc ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelVersion ( Tcl_ChannelType* chanTypePtr )
Tcl_ChannelWatchProc ( Tcl_ChannelType* chanTypePtr )
Tcl_GetTopChannel ( Tcl_Channel chan )
Tcl_ReadRaw ( Tcl_Channel chan, char* dst, int bytesToRead )
Tcl_WriteRaw ( Tcl_Channel chan, char* src, int srcLen )

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Problems with Data Types, Medium Severity (1)

	Change	Effect
1	The relative position of field blockModeProc has been changed from 1 to 10.	Applications will access incorrect memory when attempting to access this field.

tcl.h
[+] struct Tcl_ChannelType (1)

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Problems with Data Types, Low Severity (24)

	Change	Effect
1	Field flushProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Field handlerProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
3	Field version has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
4	Size of this type has been changed from 44 bytes to 56 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

tcl.h
[+] struct Tcl_ChannelType (4)

tclDecls.h
[+] struct TclStubs (20)

	Change	Effect
1	Field tcl_ChannelBlockModeProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Field tcl_ChannelBuffered has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
3	Field tcl_ChannelClose2Proc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
4	Field tcl_ChannelCloseProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
5	Field tcl_ChannelFlushProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
6	Field tcl_ChannelGetHandleProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
7	Field tcl_ChannelGetOptionProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
8	Field tcl_ChannelHandlerProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
9	Field tcl_ChannelInputProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
10	Field tcl_ChannelName has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
11	Field tcl_ChannelOutputProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
12	Field tcl_ChannelSeekProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
13	Field tcl_ChannelSetOptionProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
14	Field tcl_ChannelVersion has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
15	Field tcl_ChannelWatchProc has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
16	Field tcl_GetTopChannel has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
17	Field tcl_ReadRaw has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
18	Field tcl_WriteRaw has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
19	Size of this type has been changed from 1584 bytes to 1656 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.
20	Base type of field tcl_UnstackChannel has been changed from *void()(Tcl_Interp,Tcl_Channel)* to *int()(Tcl_Interp,Tcl_Channel)*.	Replacement of field base type may indicate a change in the semantic meaning of the field.

[+] affected symbols (1)

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Problems with Symbols, Low Severity (1)

	Change	Effect
1	Type of return value has been changed from void to int (4 bytes).	Replacement of return type may indicate a change in its semantic meaning.

tclDecls.h, libtcl8.3.so
[+] Tcl_UnstackChannel ( Tcl_Interp* interp, Tcl_Channel chan ) (1)

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Header Files (2)

tcl.h
tclDecls.h

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Shared Libraries (1)

libtcl8.3.so

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