Cross Reference: /vbox/src/libs/zlib-1.2.6/examples/zran.c

Lines Matching defs:in
3  * For conditions of distribution and use, see copyright notice in zlib.h
8    stream is provided on the command line.  The compressed stream is decoded in
10    in the uncompressed output.  The compressed file is left open, and can then
18    point in the uncompressed stream.  build_index() works by decompressing the
21    a new access point.  If so, that point is saved in a data structure that
24    To use the index, an offset in the uncompressed data is provided, for which
25    the latest accees point at or preceding that offset is located in the index.
26    The input file is positioned to the specified location in the index, and if
29    the decompression then proceeds until the desired offset in the file is
46    use of pointers in the state.  The approach here allows for storage of the
47    index in a file.
63     off_t out;          /* corresponding offset in uncompressed data */
64     off_t in;           /* offset in input file of first full byte */
65     int bits;           /* number of bits (1-7) from byte at in - 1, or 0 */
71     int have;           /* number of list entries filled in */
88     off_t in, off_t out, unsigned left, unsigned char *window)
116     /* fill in entry and increment how many we have */
119     next->in = in;
135    of the first zlib or gzip stream in the file is ignored.  build_index()
137    of memory, Z_DATA_ERROR for an error in the input file, or Z_ERRNO for a
139 local int build_index(FILE *in, off_t span, struct access **built)
167         strm.avail_in = fread(input, 1, CHUNK, in);
168         if (ferror(in)) {
222     /* clean up and return index (release unused entries in list) */
244 local int extract(FILE *in, struct access *index, off_t offset,
257     /* find where in stream to start */
272     ret = fseeko(in, here->in - (here->bits ? 1 : 0), SEEK_SET);
276         ret = getc(in);
278             ret = ferror(in) ? Z_ERRNO : Z_DATA_ERROR;
310                 strm.avail_in = fread(input, 1, CHUNK, in);
311                 if (ferror(in)) {
353     FILE *in;
362     in = fopen(argv[1], "rb");
363     if (in == NULL) {
369     len = build_index(in, SPAN, &index);
371         fclose(in);
377             fprintf(stderr, "zran: compressed data error in %s\n", argv[1]);
391     len = extract(in, index, offset, buf, CHUNK);
402     fclose(in);