libkern/zlib/infback.c

49    strm provides memory allocation functions in zalloc and zfree, or
55 int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size)
56 z_streamp strm;
67     if (strm == Z_NULL || window == Z_NULL ||
70     strm->msg = Z_NULL;                 /* in case we return an error */
72     if (strm->zalloc == (alloc_func)0) {
73         strm->zalloc = zcalloc;
74         strm->opaque = (voidpf)0;
76     if (strm->zfree == (free_func)0) strm->zfree = zcfree;
78     state = (struct inflate_state FAR *)ZALLOC(strm, 1,
82     strm->state = (struct internal_state FAR *)state;
150         put = strm->next_out; \
151         left = strm->avail_out; \
152         next = strm->next_in; \
153         have = strm->avail_in; \
161         strm->next_out = put; \
162         strm->avail_out = left; \
163         strm->next_in = next; \
164         strm->avail_in = have; \
244    strm provides the memory allocation functions and window buffer on input,
246    returns, strm will also provide an error message.
263    Z_BUF_ERROR.  strm->next_in can be checked for Z_NULL to see whether it
268    are not correct, i.e. strm is Z_NULL or the state was not initialized.
270 int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc)
271 z_streamp strm;
292     /* Check that the strm exists and that the state was initialized */
293     if (strm == Z_NULL || strm->state == Z_NULL)
295     state = (struct inflate_state FAR *)strm->state;
298     strm->msg = Z_NULL;
302     next = strm->next_in;
303     have = next != Z_NULL ? strm->avail_in : 0;
340                 strm->msg = (char *)"invalid block type";
351                 strm->msg = (char *)"invalid stored block lengths";
389                 strm->msg = (char *)"too many length or distance symbols";
411                 strm->msg = (char *)"invalid code lengths set";
435                             strm->msg = (char *)"invalid bit length repeat";
458                         strm->msg = (char *)"invalid bit length repeat";
477                 strm->msg = (char *)"invalid literal/lengths set";
486                 strm->msg = (char *)"invalid distances set";
499                 inflate_fast(strm, state->wsize);
544                 strm->msg = (char *)"invalid literal/length code";
576                 strm->msg = (char *)"invalid distance code";
591                 strm->msg = (char *)"invalid distance too far back";
638     strm->next_in = next;
639     strm->avail_in = have;
643 int ZEXPORT inflateBackEnd(strm)
644 z_streamp strm;
646     if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
648     ZFREE(strm, strm->state);
649     strm->state = Z_NULL;