Cross Reference: /external/zlib/src/examples/gzappend.c

Lines Matching refs:strm
255 /* decompress gzip file "name", return strm with a deflate stream ready to
259 local int gzscan(char *name, z_stream *strm, int level)
283     strm->zalloc = Z_NULL;
284     strm->zfree = Z_NULL;
285     strm->opaque = Z_NULL;
286     ret = inflateInit2(strm, -15);
293     strm->avail_in = gz.left;
294     strm->next_in = gz.next;
299         if (strm->avail_in == 0) {
301             strm->avail_in = gz.left;
302             strm->next_in = gz.next;
306         strm->avail_out = DSIZE - have;
307         strm->next_out = window + have;
310         ret = inflate(strm, Z_BLOCK);
317         crc = crc32(crc, window + have, DSIZE - have - strm->avail_out);
318         if (strm->avail_out)
319             have = DSIZE - strm->avail_out;
326         if (strm->data_type & 128) {
327             if (strm->data_type & 64)
328                 left = strm->data_type & 0x1f;
330                 lastbit = strm->data_type & 0x1f;
331                 lastoff = lseek(gz.fd, 0L, SEEK_CUR) - strm->avail_in;
335     inflateEnd(strm);
336     gz.left = strm->avail_in;
337     gz.next = strm->next_in;
345     tot = strm->total_out;
368     ret = deflateInit2(strm, level, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY);
370     deflateSetDictionary(strm, window, have);
371     strm->adler = crc;
372     strm->total_in = tot;
376         deflatePrime(strm, 8 - left, *gz.buf);
386 /* append file "name" to gzip file gd using deflate stream strm -- if last
388 local void gztack(char *name, int gd, z_stream *strm, int last)
418         strm->avail_in = (unsigned)len;
419         strm->next_in = in;
420         if (len) strm->adler = crc32(strm->adler, in, (unsigned)len);
424             strm->avail_out = CHUNK;
425             strm->next_out = out;
426             ret = deflate(strm, last && len == 0 ? Z_FINISH : Z_NO_FLUSH);
427             left = CHUNK - strm->avail_out;
429                 len = write(gd, out + CHUNK - strm->avail_out - left, left);
433         } while (strm->avail_out == 0 && ret != Z_STREAM_END);
438         deflateEnd(strm);
439         out[0] = (unsigned char)(strm->adler);
440         out[1] = (unsigned char)(strm->adler >> 8);
441         out[2] = (unsigned char)(strm->adler >> 16);
442         out[3] = (unsigned char)(strm->adler >> 24);
443         out[4] = (unsigned char)(strm->total_in);
444         out[5] = (unsigned char)(strm->total_in >> 8);
445         out[6] = (unsigned char)(strm->total_in >> 16);
446         out[7] = (unsigned char)(strm->total_in >> 24);
469     z_stream strm;
494     gd = gzscan(*argv++, &strm, level);
498         gztack(NULL, gd, &strm, 1);
501             gztack(*argv, gd, &strm, argv[1] == NULL);