46     z_stream zstr;  member
60 compress_error (status, zstatus, zstr, msg)  in compress_error()  argument
63      z_stream *zstr;
72     zmsg = zstr->msg;
102 	zstatus = inflateInit (&n->zstr);
104 	zstatus = deflateInit (&n->zstr, level);
106 	compress_error (1, zstatus, &n->zstr, "compression initialization");
170     cb->zstr.avail_out = size;
171     cb->zstr.next_out = (Bytef *) data;
182 	cb->zstr.avail_in = bd->size;
183 	cb->zstr.next_in = (Bytef *) bd->bufp;
187 	    zstatus = inflate (&cb->zstr, Z_NO_FLUSH);
192 		compress_error (0, zstatus, &cb->zstr, "inflate");
195 	} while (cb->zstr.avail_in > 0
196 		 && cb->zstr.avail_out > 0);
198 	bd->size = cb->zstr.avail_in;
199 	bd->bufp = (char *) cb->zstr.next_in;
209 	sofar = size - cb->zstr.avail_out;
243     *got = size - cb->zstr.avail_out;
259     cb->zstr.avail_in = have;
260     cb->zstr.next_in = (unsigned char *) data;
262     while (cb->zstr.avail_in > 0)
267 	cb->zstr.avail_out = BUFFER_DATA_SIZE;
268 	cb->zstr.next_out = (unsigned char *) buffer;
270 	zstatus = deflate (&cb->zstr, Z_NO_FLUSH);
273 	    compress_error (0, zstatus, &cb->zstr, "deflate");
277 	if (cb->zstr.avail_out != BUFFER_DATA_SIZE)
279 			BUFFER_DATA_SIZE - cb->zstr.avail_out);
298     cb->zstr.avail_in = 0;
299     cb->zstr.next_in = NULL;
306 	cb->zstr.avail_out = BUFFER_DATA_SIZE;
307 	cb->zstr.next_out = (unsigned char *) buffer;
309 	zstatus = deflate (&cb->zstr, Z_SYNC_FLUSH);
319 	    compress_error (0, zstatus, &cb->zstr, "deflate flush");
323 	if (cb->zstr.avail_out != BUFFER_DATA_SIZE)
325 			BUFFER_DATA_SIZE - cb->zstr.avail_out);
329 	if (cb->zstr.avail_out > 0)
377     zstatus = inflateEnd (&cb->zstr);
380 	compress_error (0, zstatus, &cb->zstr, "inflateEnd");
400 	cb->zstr.avail_out = BUFFER_DATA_SIZE;
401 	cb->zstr.next_out = (unsigned char *) buffer;
403 	zstatus = deflate (&cb->zstr, Z_FINISH);
406 	    compress_error (0, zstatus, &cb->zstr, "deflate finish");
410 	if (cb->zstr.avail_out != BUFFER_DATA_SIZE)
412 			BUFFER_DATA_SIZE - cb->zstr.avail_out);
415     zstatus = deflateEnd (&cb->zstr);
418 	compress_error (0, zstatus, &cb->zstr, "deflateEnd");
448     z_stream zstr;  local
476     memset (&zstr, 0, sizeof zstr);
481     zstatus = inflateInit2 (&zstr, -15);
484 	compress_error (1, zstatus, &zstr, fullname);
490     zstr.avail_in = size - pos;
491     zstr.next_in = buf + pos;
497 	zstr.avail_out = sizeof (outbuf);
498 	zstr.next_out = outbuf;
499 	zstatus = inflate (&zstr, Z_NO_FLUSH);
502 	    compress_error (0, zstatus, &zstr, fullname);
505 	if (write (fd, outbuf, sizeof (outbuf) - zstr.avail_out) < 0)
510 	crc = crc32 (crc, outbuf, sizeof (outbuf) - zstr.avail_out);
512     zstatus = inflateEnd (&zstr);
514 	compress_error (0, zstatus, &zstr, fullname);
516     if (crc != (buf[zstr.total_in + 10]
517 		+ (buf[zstr.total_in + 11] << 8)
518 		+ (buf[zstr.total_in + 12] << 16)
519 		+ (buf[zstr.total_in + 13] << 24)))
525     if (zstr.total_out != (buf[zstr.total_in + 14]
526 			   + (buf[zstr.total_in + 15] << 8)
527 			   + (buf[zstr.total_in + 16] << 16)
528 			   + (buf[zstr.total_in + 17] << 24)))
553     z_stream zstr;  local
581     memset (&zstr, 0, sizeof zstr);
582     zstatus = deflateInit2 (&zstr, level, Z_DEFLATED, -15, 8,
587 	compress_error (0, zstatus, &zstr, fullname);
590     zstr.avail_out = *size;
591     zstr.next_out = *buf + 10;
607 	zstr.next_in = inbuf;
608 	zstr.avail_in = nread;
619 	    if (zstr.avail_out < 4096)
623 		offset = zstr.next_out - *buf;
632 		zstr.next_out = *buf + offset;
633 		zstr.avail_out = *size - offset;
636 	    zstatus = deflate (&zstr, finish ? Z_FINISH : 0);
640 		compress_error (0, zstatus, &zstr, fullname);
641 	} while (zstr.avail_out == 0);
644     *(*buf + zstr.total_out + 10) = crc & 0xff;
645     *(*buf + zstr.total_out + 11) = (crc >> 8) & 0xff;
646     *(*buf + zstr.total_out + 12) = (crc >> 16) & 0xff;
647     *(*buf + zstr.total_out + 13) = (crc >> 24) & 0xff;
649     *(*buf + zstr.total_out + 14) = zstr.total_in & 0xff;
650     *(*buf + zstr.total_out + 15) = (zstr.total_in >> 8) & 0xff;
651     *(*buf + zstr.total_out + 16) = (zstr.total_in >> 16) & 0xff;
652     *(*buf + zstr.total_out + 17) = (zstr.total_in >> 24) & 0xff;
654     *len = zstr.total_out + 18;
656     zstatus = deflateEnd (&zstr);
658 	compress_error (0, zstatus, &zstr, fullname);