diff options
Diffstat (limited to 'src/harfbuzz-open.c')
| -rw-r--r-- | src/harfbuzz-open.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/src/harfbuzz-open.c b/src/harfbuzz-open.c index 0fe1e4d..4fc6ed1 100644 --- a/src/harfbuzz-open.c +++ b/src/harfbuzz-open.c @@ -1282,7 +1282,7 @@ _HB_OPEN_Get_Class( HB_ClassDefinition* cd, HB_INTERNAL HB_Error -_HB_OPEN_Load_Device( HB_Device* d, +_HB_OPEN_Load_Device( HB_Device** device, HB_Stream stream ) { HB_Error error; @@ -1295,6 +1295,14 @@ _HB_OPEN_Load_Device( HB_Device* d, if ( ACCESS_Frame( 6L ) ) return error; + if ( ALLOC( *device, sizeof(HB_Device)) ) + { + *device = 0; + return error; + } + + HB_Device* d = *device; + d->StartSize = GET_UShort(); d->EndSize = GET_UShort(); d->DeltaFormat = GET_UShort(); @@ -1318,11 +1326,17 @@ _HB_OPEN_Load_Device( HB_Device* d, ( 4 - d->DeltaFormat ) ) + 1; if ( ALLOC_ARRAY( d->DeltaValue, count, HB_UShort ) ) + { + FREE( *device ); + *device = 0; return error; + } if ( ACCESS_Frame( count * 2L ) ) { FREE( d->DeltaValue ); + FREE( *device ); + *device = 0; return error; } @@ -1338,9 +1352,13 @@ _HB_OPEN_Load_Device( HB_Device* d, HB_INTERNAL void -_HB_OPEN_Free_Device( HB_Device* d ) +_HB_OPEN_Free_Device( HB_Device** d ) { - FREE( d->DeltaValue ); + if ( *d ) + { + FREE( (*d)->DeltaValue ); + FREE( *d ); + } } @@ -1380,12 +1398,20 @@ _HB_OPEN_Free_Device( HB_Device* d ) mask = 0x00FF */ HB_INTERNAL HB_Error -_HB_OPEN_Get_Device( HB_Device* d, +_HB_OPEN_Get_Device( HB_Device** device, HB_UShort size, HB_Short* value ) { HB_UShort byte, bits, mask, f, s; + HB_Error error; + + if ( ALLOC( *device, sizeof(HB_Device)) ) + { + *device = 0; + return error; + } + HB_Device* d = *device; f = d->DeltaFormat; @@ -1408,6 +1434,8 @@ _HB_OPEN_Get_Device( HB_Device* d, else { *value = 0; + FREE( *device ); + *device = 0; return HB_Err_Not_Covered; } } |