zlib-55/zlib/gzread.c

49    gz_avail() assumes that strm->avail_in == 0. */
53     z_streamp strm = &(state->strm);
59                 (unsigned *)&(strm->avail_in)) == -1)
61         strm->next_in = state->in;
67 #define NEXT() ((strm->avail_in == 0 && gz_avail(state) == -1) ? -1 : \
68                 (strm->avail_in == 0 ? -1 : \
69                  (strm->avail_in--, *(strm->next_in)++)))
79     z_streamp strm = &(state->strm);
107     z_streamp strm = &(state->strm);
127         state->strm.zalloc = Z_NULL;
128         state->strm.zfree = Z_NULL;
129         state->strm.opaque = Z_NULL;
130         state->strm.avail_in = 0;
131         state->strm.next_in = Z_NULL;
132         if (inflateInit2(&(state->strm), -15) != Z_OK) {    /* raw inflate */
142     if (strm->avail_in == 0) {
145         if (strm->avail_in == 0)
150     if (strm->next_in[0] == 31) {
151         strm->avail_in--;
152         strm->next_in++;
153         if (strm->avail_in == 0 && gz_avail(state) == -1)
155         if (strm->avail_in && strm->next_in[0] == 139) {
161             strm->avail_in--;
162             strm->next_in++;
201             inflateReset(strm);
202             strm->adler = crc32(0L, Z_NULL, 0);
219     if (strm->avail_in) {
220         memcpy(state->next + state->have, strm->next_in, strm->avail_in);
221         state->have += strm->avail_in;
222         strm->avail_in = 0;
243     z_streamp strm = &(state->strm);
246     had = strm->avail_out;
249         if (strm->avail_in == 0 && gz_avail(state) == -1)
251         if (strm->avail_in == 0) {
257         ret = inflate(strm, Z_NO_FLUSH);
269                       strm->msg == NULL ? "compressed data error" : strm->msg);
272     } while (strm->avail_out && ret != Z_STREAM_END);
275     state->have = had - strm->avail_out;
276     state->next = strm->next_out - state->have;
277     strm->adler = crc32(strm->adler, state->next, state->have);
285         if (crc != strm->adler) {
289         if (len != (strm->total_out & 0xffffffffL)) {
311     z_streamp strm = &(state->strm);
325         strm->avail_out = state->size << 1;
326         strm->next_out = state->out;
353         else if (state->eof && state->strm.avail_in == 0)
373     z_streamp strm;
379     strm = &(state->strm);
415         else if (state->eof && strm->avail_in == 0)
437             strm->avail_out = len;
438             strm->next_out = buf;
648         inflateEnd(&(state->strm));