diff options
| -rw-r--r-- | src/harfbuzz-open.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/harfbuzz-open.c b/src/harfbuzz-open.c index 15cd2c1..f12f5b7 100644 --- a/src/harfbuzz-open.c +++ b/src/harfbuzz-open.c @@ -1403,12 +1403,11 @@ _HB_OPEN_Get_Device( HB_Device* d, HB_UShort size, HB_Short* value ) { - HB_UShort byte, bits, mask, f, s; + HB_UShort byte, bits, mask, s; - f = d->DeltaFormat; - - if ( d->DeltaValue && size >= d->StartSize && size <= d->EndSize ) + if ( d && d->DeltaValue && size >= d->StartSize && size <= d->EndSize ) { + HB_UShort f = d->DeltaFormat; s = size - d->StartSize; byte = d->DeltaValue[s >> ( 4 - f )]; bits = byte >> ( 16 - ( ( s % ( 1 << ( 4 - f ) ) + 1 ) << f ) ); |