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* src/base/ftbitmap.c: fixing memory stomping bug in the 

bitmap embolderner when the pitch of the source bitmap is
        *much* larger than its width

        * src/truetype/ttinterp.c: fixing aliasing-related compilation
        warning
This commit is contained in:
David Turner 2007-01-13 00:19:18 +00:00
parent 6d96d31d98
commit e3654532ea
3 changed files with 20 additions and 7 deletions
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7
ChangeLog
View File

@ -1,5 +1,12 @@
2007-01-12 Werner Lemberg <wl@gnu.org>
* src/base/ftbitmap.c: fixing memory stomping bug in the
bitmap embolderner when the pitch of the source bitmap is
*much* larger than its width
* src/truetype/ttinterp.c: fixing aliasing-related compilation
warning
* builds/unix/install-sh, builds/unix/mkinstalldirs: Updated from
`automake' CVS module from sources.redhat.com.

11
src/base/ftbitmap.c
View File

@ -104,10 +104,11 @@
int pitch;
int new_pitch;
FT_UInt ppb;
FT_Int i;
FT_Int i, width;
unsigned char* buffer;
width = bitmap->width;
pitch = bitmap->pitch;
if ( pitch < 0 )
pitch = -pitch;
@ -170,15 +171,19 @@
if ( bitmap->pitch > 0 )
{
FT_Int len = ( width + ppb - 1 ) / ppb;
for ( i = 0; i < bitmap->rows; i++ )
FT_MEM_COPY( buffer + new_pitch * ( ypixels + i ),
bitmap->buffer + pitch * i, pitch );
bitmap->buffer + pitch * i, len );
}
else
{
FT_Int len = ( width + ppb - 1 ) / ppb;
for ( i = 0; i < bitmap->rows; i++ )
FT_MEM_COPY( buffer + new_pitch * i,
bitmap->buffer + pitch * i, pitch );
bitmap->buffer + pitch * i, len );
}
FT_FREE( bitmap->buffer );

9
src/truetype/ttinterp.c
View File

@ -510,15 +510,16 @@
Update_Max( FT_Memory memory,
FT_ULong* size,
FT_Long multiplier,
void** buff,
void* _pbuff,
FT_ULong new_max )
{
FT_Error error;
void** pbuff = (void**)_pbuff;
if ( *size < new_max )
{
if ( FT_REALLOC( *buff, *size * multiplier, new_max * multiplier ) )
if ( FT_REALLOC( *pbuff, *size * multiplier, new_max * multiplier ) )
return error;
*size = new_max;
}
@ -599,7 +600,7 @@
error = Update_Max( exec->memory,
&tmp,
sizeof ( FT_F26Dot6 ),
(void**)&exec->stack,
(void*)&exec->stack,
maxp->maxStackElements + 32 );
exec->stackSize = (FT_UInt)tmp;
if ( error )
@ -609,7 +610,7 @@
error = Update_Max( exec->memory,
&tmp,
sizeof ( FT_Byte ),
(void**)&exec->glyphIns,
(void*)&exec->glyphIns,
maxp->maxSizeOfInstructions );
exec->glyphSize = (FT_UShort)tmp;
if ( error )