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Fix Savannah bug #41697, part 2.

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* src/cff/cf2ft.c (cf2_initLocalRegionBuffer,
cf2_initGlobalRegionBuffer): It is possible for a charstring to call
a subroutine if no subroutines exist.  This is an error but should
not trigger an assert.  Split the assert to account for this.
This commit is contained in:
Dave Arnold 2014-02-28 07:42:42 +01:00 committed by Werner Lemberg
parent 0eae6eb064
commit 135c3faebb
2 changed files with 15 additions and 2 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2014-02-28 Dave Arnold <darnold@adobe.com>
[cff] Fix Savannah bug #41697, part 2.
* src/cff/cf2ft.c (cf2_initLocalRegionBuffer,
cf2_initGlobalRegionBuffer): It is possible for a charstring to call
a subroutine if no subroutines exist. This is an error but should
not trigger an assert. Split the assert to account for this.
2014-02-28 Dave Arnold <darnold@adobe.com>
[cff] Fix Savannah bug #41697, part 1.

8
src/cff/cf2ft.c
View File

@ -521,7 +521,7 @@
CF2_UInt idx,
CF2_Buffer buf )
{
FT_ASSERT( decoder && decoder->globals );
FT_ASSERT( decoder );
FT_ZERO( buf );
@ -529,6 +529,8 @@
if ( idx >= decoder->num_globals )
return TRUE; /* error */
FT_ASSERT( decoder->globals );
buf->start =
buf->ptr = decoder->globals[idx];
buf->end = decoder->globals[idx + 1];
@ -594,7 +596,7 @@
CF2_UInt idx,
CF2_Buffer buf )
{
FT_ASSERT( decoder && decoder->locals );
FT_ASSERT( decoder );
FT_ZERO( buf );
@ -602,6 +604,8 @@
if ( idx >= decoder->num_locals )
return TRUE; /* error */
FT_ASSERT( decoder->locals );
buf->start =
buf->ptr = decoder->locals[idx];
buf->end = decoder->locals[idx + 1];