217 	uint32_t chunk = search_chunk(s,sector_num);  in dmg_read_chunk()  local
219 	if(chunk>=s->n_chunks)  in dmg_read_chunk()
223 	switch(s->types[chunk]) {  in dmg_read_chunk()
231                 ret = bdrv_pread(bs->file, s->offsets[chunk] + i,  in dmg_read_chunk()
232                                  s->compressed_chunk+i, s->lengths[chunk]-i);  in dmg_read_chunk()
236 	    } while(ret>=0 && ret+i<s->lengths[chunk]);  in dmg_read_chunk()
238 	    if (ret != s->lengths[chunk])  in dmg_read_chunk()
242 	    s->zstream.avail_in = s->lengths[chunk];  in dmg_read_chunk()
244 	    s->zstream.avail_out = 512*s->sectorcounts[chunk];  in dmg_read_chunk()
249 	    if(ret != Z_STREAM_END || s->zstream.total_out != 512*s->sectorcounts[chunk])  in dmg_read_chunk()
253 	    ret = bdrv_pread(bs->file, s->offsets[chunk],  in dmg_read_chunk()
254                              s->uncompressed_chunk, s->lengths[chunk]);  in dmg_read_chunk()
255 	    if (ret != s->lengths[chunk])  in dmg_read_chunk()
259 	    memset(s->uncompressed_chunk, 0, 512*s->sectorcounts[chunk]);  in dmg_read_chunk()
262 	s->current_chunk = chunk;  in dmg_read_chunk()