[PATCH] zlib_inflate: Upgrade library code to a recent version

[deliverable/linux.git] / lib / zlib_inflate / infutil.c

diff --git a/lib/zlib_inflate/infutil.c b/lib/zlib_inflate/infutil.c
deleted file mode 100644 (file)
index 00202b3..0000000
--- a/lib/zlib_inflate/infutil.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/* inflate_util.c -- data and routines common to blocks and codes
- * Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
- */
-
-#include <linux/zutil.h>
-#include "infblock.h"
-#include "inftrees.h"
-#include "infcodes.h"
-#include "infutil.h"
-
-struct inflate_codes_state;
-
-/* And'ing with mask[n] masks the lower n bits */
-uInt zlib_inflate_mask[17] = {
-    0x0000,
-    0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
-    0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
-};
-
-
-/* copy as much as possible from the sliding window to the output area */
-int zlib_inflate_flush(
-       inflate_blocks_statef *s,
-       z_streamp z,
-       int r
-)
-{
-  uInt n;
-  Byte *p;
-  Byte *q;
-
-  /* local copies of source and destination pointers */
-  p = z->next_out;
-  q = s->read;
-
-  /* compute number of bytes to copy as far as end of window */
-  n = (uInt)((q <= s->write ? s->write : s->end) - q);
-  if (n > z->avail_out) n = z->avail_out;
-  if (n && r == Z_BUF_ERROR) r = Z_OK;
-
-  /* update counters */
-  z->avail_out -= n;
-  z->total_out += n;
-
-  /* update check information */
-  if (s->checkfn != NULL)
-    z->adler = s->check = (*s->checkfn)(s->check, q, n);
-
-  /* copy as far as end of window */
-  memcpy(p, q, n);
-  p += n;
-  q += n;
-
-  /* see if more to copy at beginning of window */
-  if (q == s->end)
-  {
-    /* wrap pointers */
-    q = s->window;
-    if (s->write == s->end)
-      s->write = s->window;
-
-    /* compute bytes to copy */
-    n = (uInt)(s->write - q);
-    if (n > z->avail_out) n = z->avail_out;
-    if (n && r == Z_BUF_ERROR) r = Z_OK;
-
-    /* update counters */
-    z->avail_out -= n;
-    z->total_out += n;
-
-    /* update check information */
-    if (s->checkfn != NULL)
-      z->adler = s->check = (*s->checkfn)(s->check, q, n);
-
-    /* copy */
-    memcpy(p, q, n);
-    p += n;
-    q += n;
-  }
-
-  /* update pointers */
-  z->next_out = p;
-  s->read = q;
-
-  /* done */
-  return r;
-}