FT_Raccess_Get_DataOffsets FT_Raccess_Get_HeaderInfo FT_Raccess_Guess FT_RACCESS_N_RULES

FT_Raccess_Get_DataOffsets ( FT_Library  library, FT_Stream  stream, FT_Long  map_offset, FT_Long  rdata_pos, FT_Long  tag, FT_Long **  offsets, FT_Long *  count  ) Definition at line 149 of file ftrfork.c. { FT_Error error; int i, j, cnt, subcnt; FT_Long tag_internal, rpos; FT_Memory memory = library->memory; FT_Long temp; FT_Long *offsets_internal; FT_RFork_Ref *ref; error = FT_Stream_Seek( stream, map_offset ); if ( error ) return error; if ( FT_READ_USHORT( cnt ) ) return error; cnt++; for ( i = 0; i < cnt; ++i ) { if ( FT_READ_LONG( tag_internal ) || FT_READ_USHORT( subcnt ) || FT_READ_USHORT( rpos ) ) return error; FT_TRACE2(( "Resource tags: %c%c%c%c\n", (char)( 0xff & ( tag_internal >> 24 ) ), (char)( 0xff & ( tag_internal >> 16 ) ), (char)( 0xff & ( tag_internal >> 8 ) ), (char)( 0xff & ( tag_internal >> 0 ) ) )); if ( tag_internal == tag ) { *count = subcnt + 1; rpos += map_offset; error = FT_Stream_Seek( stream, rpos ); if ( error ) return error; if ( FT_NEW_ARRAY( ref, *count ) ) return error; for ( j = 0; j < *count; ++j ) { if ( FT_READ_USHORT( ref[j].res_id ) ) goto Exit; if ( FT_STREAM_SKIP( 2 ) ) /* resource name */ goto Exit; if ( FT_READ_LONG( temp ) ) goto Exit; if ( FT_STREAM_SKIP( 4 ) ) /* mbz */ goto Exit; ref[j].offset = temp & 0xFFFFFFL; } ft_qsort( ref, *count, sizeof ( FT_RFork_Ref ), ( int(*)(const void*, const void*) ) ft_raccess_sort_ref_by_id ); if ( FT_NEW_ARRAY( offsets_internal, *count ) ) goto Exit; /* XXX: duplicated reference ID, * gap between reference IDs are acceptable? * further investigation on Apple implementation is needed. */ for ( j = 0; j < *count; ++j ) offsets_internal[j] = rdata_pos + ref[j].offset; *offsets = offsets_internal; error = FT_Err_Ok; Exit: FT_FREE( ref ); return error; } } return FT_Err_Cannot_Open_Resource; }