Binary compatibility report for the Qhull library between 2009.1.3 and 2011.1 versions on x86

Test Info

Library Name	Qhull
Version #1	2009.1.3
Version #2	2011.1
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	1
Total Shared Libraries	1
Total Symbols / Types	54 / 61
Verdict	Incompatible (4.6%)

Problem Summary

	Severity	Count
Added Symbols	-	13
Removed Symbols	High	0
Problems with Data Types	High	1
	Medium	26
	Low	2
Problems with Symbols	High	0
	Medium	2
	Low	5
Problems with Constants	Low	1
Other Changes in Constants	-	20

Added Symbols (13)

libqhull.h, libqhull6.so.6.2.0.1385
qh_clear_outputflags ( )
qh_errexit_rbox ( int exitcode )
qh_exit ( int exitcode )
qh_fprintf ( FILE* fp, int msgcode, char const* fmt, ... )
qh_fprintf_rbox ( FILE* fp, int msgcode, char const* fmt, ... )
qh_free ( void* mem )
qh_freeqhull2 ( unsigned int allmem )
qh_initqhull_outputflags ( )
qh_initqhull_start2 ( FILE* infile, FILE* outfile, FILE* errfile )
qh_malloc ( size_t size )
qh_printhelp_narrowhull ( FILE* fp, double minangle )
qh_rboxpoints ( FILE* fout, FILE* ferr, char* rbox_command )
qhull_inuse [data]

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Problems with Data Types, High Severity (1)

	Change	Effect
1	Field old_stat 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.

qhull.h
[+] struct qhT (1)

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Problems with Data Types, Medium Severity (26)

	Change	Effect
1	Field ANNOTATEoutput 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 USEstdout 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.
3	Field coplanarfacetset 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.
4	Field hasAreaVolume 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.
5	Field hasTriangulation 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.
6	Field qhull_commandsiz2 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.
7	Field qhull_optionsiz2 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.
8	Field run_id 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.
9	Size of field ridge_id has been changed from 4 bytes to 3 bytes.	Previous accesses of applications and library functions to this field may be broken.
10	Size of field vertex_id has been changed from 4 bytes to 3 bytes.	Previous accesses of applications and library functions to this field may be broken.
11	Size of field vertex_visit has been changed from 4 bytes to 31 bits.	Previous accesses of applications and library functions to this field may be broken.
12	The relative position of field last_newhigh has been changed from 211 to 212.	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 old_randomdist has been changed from 214 to 209.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
14	Field coplanarset has been removed from this type.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.
15	The relative position of field last_high has been changed from 210 to 211.	Applications will access incorrect memory when attempting to access this field.
16	The relative position of field last_low has been changed from 209 to 210.	Applications will access incorrect memory when attempting to access this field.
17	The relative position of field lastreport has been changed from 212 to 213.	Applications will access incorrect memory when attempting to access this field.
18	The relative position of field mergereport has been changed from 213 to 214.	Applications will access incorrect memory when attempting to access this field.
19	The relative position of field old_qhstat has been changed from 216 to 215.	Applications will access incorrect memory when attempting to access this field.
20	The relative position of field old_tempstack has been changed from 217 to 216.	Applications will access incorrect memory when attempting to access this field.
21	The relative position of field ridgeoutnum has been changed from 215 to 217.	Applications will access incorrect memory when attempting to access this field.

	Change	Effect
1	Size of field visitid has been changed from 4 bytes to 31 bits.	Previous accesses of applications and library functions to this field may be broken.
2	Field dim has been added at the middle position of this structural type.	Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
3	The relative position of field id has been changed from 5 to 6.	Applications will access incorrect memory when attempting to access this field.
4	The relative position of field seen has been changed from 6 to 7.	Applications will access incorrect memory when attempting to access this field.
5	The relative position of field seen2 has been changed from 7 to 5.	Applications will access incorrect memory when attempting to access this field.

qhull.h
[+] struct qhT (21)
[+] struct vertexT (5)

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Problems with Symbols, Medium Severity (2)

	Change	Effect
1	Size of this global data has been changed from 2548 bytes to 2572 bytes.	Applications will obtain a different value and execution may change.

	Change	Effect
1	This global data became const.	Any attempts of old applications to change this global data may result in crash.

qhull.h, libqhull.so.5.0.0
[+] qh_qh [data] (1)
[+] qh_version [data] (1)

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Problems with Data Types, Low Severity (2)

	Change	Effect
1	Size of this type has been changed from 2548 bytes to 2572 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.
2	Type of field old_qhstat has been changed from void* to qhstatT*.	Replacement of the field data type may indicate a change in the semantic meaning of the field.

qhull.h
[+] struct qhT (2)

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Problems with Symbols, Low Severity (5)

	Change	Effect
1	Type of 1st parameter string has been changed from char* to char const*.	Replacement of parameter data type may indicate a change in its semantic meaning.

	Change	Effect
1	Type of 1st parameter option has been changed from char* to char const*.	Replacement of parameter data type may indicate a change in its semantic meaning.

	Change	Effect
1	Type of 2nd parameter string has been changed from char* to char const*.	Replacement of parameter data type may indicate a change in its semantic meaning.

	Change	Effect
1	Type of 2nd parameter format has been changed from int to enum qh_PRINT.	Replacement of parameter data type may indicate a change in its semantic meaning.

	Change	Effect
1	Type of this global data has been changed from char* to char const*.	Replacement of data type may indicate a change in semantic meaning.

qhull.h, libqhull.so.5.0.0
[+] qh_errprint ( char* string, facetT* atfacet, facetT* otherfacet, ridgeT* atridge, vertexT* atvertex ) (1)
[+] qh_option ( char* option, int* i, double* r ) (1)
[+] qh_printallstatistics ( FILE* fp, char* string ) (1)
[+] qh_printneighborhood ( FILE* fp, int format, facetT* facetA, facetT* facetB, unsigned int printall ) (1)
[+] qh_version [data] (1)

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Problems with Constants, Low Severity (1)

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

qhull.h
[+] qhDEFqhull

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Other Changes in Constants (20)

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

	Change	Effect
1	The constant MAX_vdim with value 15 has been added.	No effect.

	Change	Effect
1	The constant qh_FILEstderr with value *(FILE)1** has been added.	No effect.

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

	Change	Effect
1	The constant MSG_ERROR with value 6000 has been added.	No effect.

	Change	Effect
1	The constant MSG_FIXUP with value 11000 has been added.	No effect.

	Change	Effect
1	The constant MSG_MAXLEN with value 3000 has been added.	No effect.

	Change	Effect
1	The constant MSG_OUTPUT with value 9000 has been added.	No effect.

	Change	Effect
1	The constant MSG_QHULL_ERROR with value 10000 has been added.	No effect.

	Change	Effect
1	The constant MSG_STDERR with value 8000 has been added.	No effect.

	Change	Effect
1	The constant MSG_TRACE0 with value 0 has been added.	No effect.

	Change	Effect
1	The constant MSG_TRACE1 with value 1000 has been added.	No effect.

	Change	Effect
1	The constant MSG_TRACE2 with value 2000 has been added.	No effect.

	Change	Effect
1	The constant MSG_TRACE3 with value 3000 has been added.	No effect.

	Change	Effect
1	The constant MSG_TRACE4 with value 4000 has been added.	No effect.

	Change	Effect
1	The constant MSG_TRACE5 with value 5000 has been added.	No effect.

	Change	Effect
1	The constant MSG_WARNING with value 7000 has been added.	No effect.

	Change	Effect
1	The constant qh_DEFAULTzbox with value 1e6 has been added.	No effect.

	Change	Effect
1	The constant qh_FILENAMElen with value 500 has been added.	No effect.

	Change	Effect
1	The constant qh_OPTIONline with value 80 has been added.	No effect.

libqhull.h
[+] DEFqhstatT
[+] MAX_vdim
[+] qh_FILEstderr
[+] qhDEFlibqhull

user.h
[+] MSG_ERROR
[+] MSG_FIXUP
[+] MSG_MAXLEN
[+] MSG_OUTPUT
[+] MSG_QHULL_ERROR
[+] MSG_STDERR
[+] MSG_TRACE0
[+] MSG_TRACE1
[+] MSG_TRACE2
[+] MSG_TRACE3
[+] MSG_TRACE4
[+] MSG_TRACE5
[+] MSG_WARNING
[+] qh_DEFAULTzbox
[+] qh_FILENAMElen
[+] qh_OPTIONline

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Header Files (1)

qhull.h

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Shared Libraries (1)

libqhull.so.5.0.0

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