[php-pecl-lzf] * add patch

topdog topdog at fedoraproject.org
Sat Oct 20 22:48:43 UTC 2012


commit d0687639b9221892a825c0831a6f544918dd7575
Author: Andrew Colin Kissa <andrew at topdog.za.net>
Date:   Sun Oct 21 00:46:25 2012 +0200

    * add patch

 .gitignore                    |    4 +-
 php-lzf-rm-bundled-libs.patch |  585 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 586 insertions(+), 3 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index d8cccb0..5738948 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1 @@
-LZF-1.5.2.tgz
-/LZF-1.6.2.tgz
-/php-lzf-rm-bundled-libs.patch
+LZF-1.6.2.tgz
diff --git a/php-lzf-rm-bundled-libs.patch b/php-lzf-rm-bundled-libs.patch
new file mode 100644
index 0000000..14fa509
--- /dev/null
+++ b/php-lzf-rm-bundled-libs.patch
@@ -0,0 +1,585 @@
+diff -ruN LZF-1.6.2.orig/config.m4 LZF-1.6.2/config.m4
+--- LZF-1.6.2.orig/config.m4	2012-07-08 18:46:20.000000000 +0200
++++ LZF-1.6.2/config.m4	2012-10-20 19:04:57.124540254 +0200
+@@ -13,6 +13,24 @@
+   else
+     AC_DEFINE(PHP_LZF_ULTRA_FAST,0,[ ])
+   fi
+-
+-  PHP_NEW_EXTENSION(lzf, lzf.c lzf_c.c lzf_d.c filter.c, $ext_shared)
++  SEARCH_PATH="/usr"
++  SEARCH_FOR="/include/lzf.h"
++  AC_MSG_CHECKING([for lzf files in default path])
++  for i in $SEARCH_PATH ; do
++    if test -r $i/$SEARCH_FOR; then
++       LZF_DIR=$i
++    fi
++  done
++  dnl
++  if test -z "$LZF_DIR"; then
++    AC_MSG_RESULT([not found])
++    AC_MSG_ERROR([Please install the lzf package])
++  fi
++  PHP_ADD_INCLUDE($LZF_DIR/include)
++  dnl
++  LIBNAME=lzf
++  LIBSYMBOL=lzf_decompress
++  PHP_CHECK_LIBRARY($LIBNAME, $LIBSYMBOL, [PHP_ADD_LIBRARY_WITH_PATH($LIBNAME, $LZF_DIR/lib, LZF_SHARED_LIBADD) AC_DEFINE(HAVE_LZFLIB,1,[ ])],[AC_MSG_ERROR([lzf libs not found])], [])
++  PHP_SUBST(LZF_SHARED_LIBADD)
++  PHP_NEW_EXTENSION(lzf, lzf.c filter.c, $ext_shared)
+ fi
+diff -ruN LZF-1.6.2.orig/lzf_c.c LZF-1.6.2/lzf_c.c
+--- LZF-1.6.2.orig/lzf_c.c	2012-07-08 18:46:20.000000000 +0200
++++ LZF-1.6.2/lzf_c.c	1970-01-01 02:00:00.000000000 +0200
+@@ -1,295 +0,0 @@
+-/*
+- * Copyright (c) 2000-2008 Marc Alexander Lehmann <schmorp at schmorp.de>
+- * 
+- * Redistribution and use in source and binary forms, with or without modifica-
+- * tion, are permitted provided that the following conditions are met:
+- * 
+- *   1.  Redistributions of source code must retain the above copyright notice,
+- *       this list of conditions and the following disclaimer.
+- * 
+- *   2.  Redistributions in binary form must reproduce the above copyright
+- *       notice, this list of conditions and the following disclaimer in the
+- *       documentation and/or other materials provided with the distribution.
+- * 
+- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
+- * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
+- * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
+- * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+- * OF THE POSSIBILITY OF SUCH DAMAGE.
+- *
+- * Alternatively, the contents of this file may be used under the terms of
+- * the GNU General Public License ("GPL") version 2 or any later version,
+- * in which case the provisions of the GPL are applicable instead of
+- * the above. If you wish to allow the use of your version of this file
+- * only under the terms of the GPL and not to allow others to use your
+- * version of this file under the BSD license, indicate your decision
+- * by deleting the provisions above and replace them with the notice
+- * and other provisions required by the GPL. If you do not delete the
+- * provisions above, a recipient may use your version of this file under
+- * either the BSD or the GPL.
+- */
+-
+-#include "lzfP.h"
+-
+-#define HSIZE (1 << (HLOG))
+-
+-/*
+- * don't play with this unless you benchmark!
+- * decompression is not dependent on the hash function
+- * the hashing function might seem strange, just believe me
+- * it works ;)
+- */
+-#ifndef FRST
+-# define FRST(p) (((p[0]) << 8) | p[1])
+-# define NEXT(v,p) (((v) << 8) | p[2])
+-# if PHP_LZF_ULTRA_FAST
+-#  define IDX(h) ((( h             >> (3*8 - HLOG)) - h  ) & (HSIZE - 1))
+-# elif VERY_FAST
+-#  define IDX(h) ((( h             >> (3*8 - HLOG)) - h*5) & (HSIZE - 1))
+-# else
+-#  define IDX(h) ((((h ^ (h << 5)) >> (3*8 - HLOG)) - h*5) & (HSIZE - 1))
+-# endif
+-#endif
+-/*
+- * IDX works because it is very similar to a multiplicative hash, e.g.
+- * ((h * 57321 >> (3*8 - HLOG)) & (HSIZE - 1))
+- * the latter is also quite fast on newer CPUs, and compresses similarly.
+- *
+- * the next one is also quite good, albeit slow ;)
+- * (int)(cos(h & 0xffffff) * 1e6)
+- */
+-
+-#if 0
+-/* original lzv-like hash function, much worse and thus slower */
+-# define FRST(p) (p[0] << 5) ^ p[1]
+-# define NEXT(v,p) ((v) << 5) ^ p[2]
+-# define IDX(h) ((h) & (HSIZE - 1))
+-#endif
+-
+-#define        MAX_LIT        (1 <<  5)
+-#define        MAX_OFF        (1 << 13)
+-#define        MAX_REF        ((1 << 8) + (1 << 3))
+-
+-#if __GNUC__ >= 3
+-# define expect(expr,value)         __builtin_expect ((expr),(value))
+-# define inline                     inline
+-#else
+-# define expect(expr,value)         (expr)
+-# define inline                     static
+-#endif
+-
+-#define expect_false(expr) expect ((expr) != 0, 0)
+-#define expect_true(expr)  expect ((expr) != 0, 1)
+-
+-/*
+- * compressed format
+- *
+- * 000LLLLL <L+1>    ; literal
+- * LLLooooo oooooooo ; backref L
+- * 111ooooo LLLLLLLL oooooooo ; backref L+7
+- *
+- */
+-
+-unsigned int
+-lzf_compress (const void *const in_data, unsigned int in_len,
+-	      void *out_data, unsigned int out_len
+-#if LZF_STATE_ARG
+-              , LZF_STATE htab
+-#endif
+-              )
+-{
+-#if !LZF_STATE_ARG
+-  LZF_STATE htab;
+-#endif
+-  const u8 **hslot;
+-  const u8 *ip = (const u8 *)in_data;
+-        u8 *op = (u8 *)out_data;
+-  const u8 *in_end  = ip + in_len;
+-        u8 *out_end = op + out_len;
+-  const u8 *ref;
+-
+-  /* off requires a type wide enough to hold a general pointer difference.
+-   * ISO C doesn't have that (size_t might not be enough and ptrdiff_t only
+-   * works for differences within a single object). We also assume that no
+-   * no bit pattern traps. Since the only platform that is both non-POSIX
+-   * and fails to support both assumptions is windows 64 bit, we make a
+-   * special workaround for it.
+-   */
+-#if defined (WIN32) && defined (_M_X64)
+-  unsigned _int64 off; /* workaround for missing POSIX compliance */
+-#else
+-  unsigned long off;
+-#endif
+-  unsigned int hval;
+-  int lit;
+-
+-  if (!in_len || !out_len)
+-    return 0;
+-
+-#if INIT_HTAB
+-  memset (htab, 0, sizeof (htab));
+-# if 0
+-  for (hslot = htab; hslot < htab + HSIZE; hslot++)
+-    *hslot++ = ip;
+-# endif
+-#endif
+-
+-  lit = 0; op++; /* start run */
+-
+-  hval = FRST (ip);
+-  while (ip < in_end - 2)
+-    {
+-      hval = NEXT (hval, ip);
+-      hslot = htab + IDX (hval);
+-      ref = *hslot; *hslot = ip;
+-
+-      if (1
+-#if INIT_HTAB
+-          && ref < ip /* the next test will actually take care of this, but this is faster */
+-#endif
+-          && (off = ip - ref - 1) < MAX_OFF
+-          && ip + 4 < in_end
+-          && ref > (u8 *)in_data
+-#if STRICT_ALIGN
+-          && ref[0] == ip[0]
+-          && ref[1] == ip[1]
+-          && ref[2] == ip[2]
+-#else
+-          && *(u16 *)ref == *(u16 *)ip
+-          && ref[2] == ip[2]
+-#endif
+-        )
+-        {
+-          /* match found at *ref++ */
+-          unsigned int len = 2;
+-          unsigned int maxlen = in_end - ip - len;
+-          maxlen = maxlen > MAX_REF ? MAX_REF : maxlen;
+-
+-          op [- lit - 1] = lit - 1; /* stop run */
+-          op -= !lit; /* undo run if length is zero */
+-
+-          if (expect_false (op + 3 + 1 >= out_end))
+-            return 0;
+-
+-          for (;;)
+-            {
+-              if (expect_true (maxlen > 16))
+-                {
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                  len++; if (ref [len] != ip [len]) break;
+-                }
+-
+-              do
+-                len++;
+-              while (len < maxlen && ref[len] == ip[len]);
+-
+-              break;
+-            }
+-
+-          len -= 2; /* len is now #octets - 1 */
+-          ip++;
+-
+-          if (len < 7)
+-            {
+-              *op++ = (off >> 8) + (len << 5);
+-            }
+-          else
+-            {
+-              *op++ = (off >> 8) + (  7 << 5);
+-              *op++ = len - 7;
+-            }
+-
+-          *op++ = off;
+-          lit = 0; op++; /* start run */
+-
+-          ip += len + 1;
+-
+-          if (expect_false (ip >= in_end - 2))
+-            break;
+-
+-#if PHP_LZF_ULTRA_FAST || VERY_FAST
+-          --ip;
+-# if VERY_FAST && !PHP_LZF_ULTRA_FAST
+-          --ip;
+-# endif
+-          hval = FRST (ip);
+-
+-          hval = NEXT (hval, ip);
+-          htab[IDX (hval)] = ip;
+-          ip++;
+-
+-# if VERY_FAST && !PHP_LZF_ULTRA_FAST
+-          hval = NEXT (hval, ip);
+-          htab[IDX (hval)] = ip;
+-          ip++;
+-# endif
+-#else
+-          ip -= len + 1;
+-
+-          do
+-            {
+-              hval = NEXT (hval, ip);
+-              htab[IDX (hval)] = ip;
+-              ip++;
+-            }
+-          while (len--);
+-#endif
+-        }
+-      else
+-        {
+-          /* one more literal byte we must copy */
+-          if (expect_false (op >= out_end))
+-            return 0;
+-
+-          lit++; *op++ = *ip++;
+-
+-          if (expect_false (lit == MAX_LIT))
+-            {
+-              op [- lit - 1] = lit - 1; /* stop run */
+-              lit = 0; op++; /* start run */
+-            }
+-        }
+-    }
+-
+-  if (op + 3 > out_end) /* at most 3 bytes can be missing here */
+-    return 0;
+-
+-  while (ip < in_end)
+-    {
+-      lit++; *op++ = *ip++;
+-
+-      if (expect_false (lit == MAX_LIT))
+-        {
+-          op [- lit - 1] = lit - 1; /* stop run */
+-          lit = 0; op++; /* start run */
+-        }
+-    }
+-
+-  op [- lit - 1] = lit - 1; /* end run */
+-  op -= !lit; /* undo run if length is zero */
+-
+-  return op - (u8 *)out_data;
+-}
+-
+diff -ruN LZF-1.6.2.orig/lzf_d.c LZF-1.6.2/lzf_d.c
+--- LZF-1.6.2.orig/lzf_d.c	2012-07-08 18:46:20.000000000 +0200
++++ LZF-1.6.2/lzf_d.c	1970-01-01 02:00:00.000000000 +0200
+@@ -1,148 +0,0 @@
+-/*
+- * Copyright (c) 2000-2007 Marc Alexander Lehmann <schmorp at schmorp.de>
+- * 
+- * Redistribution and use in source and binary forms, with or without modifica-
+- * tion, are permitted provided that the following conditions are met:
+- * 
+- *   1.  Redistributions of source code must retain the above copyright notice,
+- *       this list of conditions and the following disclaimer.
+- * 
+- *   2.  Redistributions in binary form must reproduce the above copyright
+- *       notice, this list of conditions and the following disclaimer in the
+- *       documentation and/or other materials provided with the distribution.
+- * 
+- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
+- * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
+- * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
+- * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+- * OF THE POSSIBILITY OF SUCH DAMAGE.
+- *
+- * Alternatively, the contents of this file may be used under the terms of
+- * the GNU General Public License ("GPL") version 2 or any later version,
+- * in which case the provisions of the GPL are applicable instead of
+- * the above. If you wish to allow the use of your version of this file
+- * only under the terms of the GPL and not to allow others to use your
+- * version of this file under the BSD license, indicate your decision
+- * by deleting the provisions above and replace them with the notice
+- * and other provisions required by the GPL. If you do not delete the
+- * provisions above, a recipient may use your version of this file under
+- * either the BSD or the GPL.
+- */
+-
+-#include "lzfP.h"
+-
+-#if AVOID_ERRNO
+-# define SET_ERRNO(n)
+-#else
+-# include <errno.h>
+-# define SET_ERRNO(n) errno = (n)
+-#endif
+-
+-#if (__i386 || __amd64) && __GNUC__ >= 3
+-# define lzf_movsb(dst, src, len)                \
+-   asm ("rep movsb"                              \
+-        : "=D" (dst), "=S" (src), "=c" (len)     \
+-        :  "0" (dst),  "1" (src),  "2" (len));
+-#endif
+-
+-unsigned int 
+-lzf_decompress (const void *const in_data,  unsigned int in_len,
+-                void             *out_data, unsigned int out_len)
+-{
+-  u8 const *ip = (const u8 *)in_data;
+-  u8       *op = (u8 *)out_data;
+-  u8 const *const in_end  = ip + in_len;
+-  u8       *const out_end = op + out_len;
+-
+-  do
+-    {
+-      unsigned int ctrl = *ip++;
+-
+-      if (ctrl < (1 << 5)) /* literal run */
+-        {
+-          ctrl++;
+-
+-          if (op + ctrl > out_end)
+-            {
+-              SET_ERRNO (E2BIG);
+-              return 0;
+-            }
+-
+-#if CHECK_INPUT
+-          if (ip + ctrl > in_end)
+-            {
+-              SET_ERRNO (EINVAL);
+-              return 0;
+-            }
+-#endif
+-
+-#ifdef lzf_movsb
+-          lzf_movsb (op, ip, ctrl);
+-#else
+-          do
+-            *op++ = *ip++;
+-          while (--ctrl);
+-#endif
+-        }
+-      else /* back reference */
+-        {
+-          unsigned int len = ctrl >> 5;
+-
+-          u8 *ref = op - ((ctrl & 0x1f) << 8) - 1;
+-
+-#if CHECK_INPUT
+-          if (ip >= in_end)
+-            {
+-              SET_ERRNO (EINVAL);
+-              return 0;
+-            }
+-#endif
+-          if (len == 7)
+-            {
+-              len += *ip++;
+-#if CHECK_INPUT
+-              if (ip >= in_end)
+-                {
+-                  SET_ERRNO (EINVAL);
+-                  return 0;
+-                }
+-#endif
+-            }
+-
+-          ref -= *ip++;
+-
+-          if (op + len + 2 > out_end)
+-            {
+-              SET_ERRNO (E2BIG);
+-              return 0;
+-            }
+-
+-          if (ref < (u8 *)out_data)
+-            {
+-              SET_ERRNO (EINVAL);
+-              return 0;
+-            }
+-
+-#ifdef lzf_movsb
+-          len += 2;
+-          lzf_movsb (op, ref, len);
+-#else
+-          *op++ = *ref++;
+-          *op++ = *ref++;
+-
+-          do
+-            *op++ = *ref++;
+-          while (--len);
+-#endif
+-        }
+-    }
+-  while (ip < in_end);
+-
+-  return op - (u8 *)out_data;
+-}
+-
+diff -ruN LZF-1.6.2.orig/lzf.h LZF-1.6.2/lzf.h
+--- LZF-1.6.2.orig/lzf.h	2012-07-08 18:46:20.000000000 +0200
++++ LZF-1.6.2/lzf.h	1970-01-01 02:00:00.000000000 +0200
+@@ -1,100 +0,0 @@
+-/*
+- * Copyright (c) 2000-2008 Marc Alexander Lehmann <schmorp at schmorp.de>
+- * 
+- * Redistribution and use in source and binary forms, with or without modifica-
+- * tion, are permitted provided that the following conditions are met:
+- * 
+- *   1.  Redistributions of source code must retain the above copyright notice,
+- *       this list of conditions and the following disclaimer.
+- * 
+- *   2.  Redistributions in binary form must reproduce the above copyright
+- *       notice, this list of conditions and the following disclaimer in the
+- *       documentation and/or other materials provided with the distribution.
+- * 
+- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
+- * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
+- * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
+- * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+- * OF THE POSSIBILITY OF SUCH DAMAGE.
+- *
+- * Alternatively, the contents of this file may be used under the terms of
+- * the GNU General Public License ("GPL") version 2 or any later version,
+- * in which case the provisions of the GPL are applicable instead of
+- * the above. If you wish to allow the use of your version of this file
+- * only under the terms of the GPL and not to allow others to use your
+- * version of this file under the BSD license, indicate your decision
+- * by deleting the provisions above and replace them with the notice
+- * and other provisions required by the GPL. If you do not delete the
+- * provisions above, a recipient may use your version of this file under
+- * either the BSD or the GPL.
+- */
+-
+-#ifndef LZF_H
+-#define LZF_H
+-
+-/***********************************************************************
+-**
+-**	lzf -- an extremely fast/free compression/decompression-method
+-**	http://liblzf.plan9.de/
+-**
+-**	This algorithm is believed to be patent-free.
+-**
+-***********************************************************************/
+-
+-#define LZF_VERSION 0x0105 /* 1.5, API version */
+-
+-/*
+- * Compress in_len bytes stored at the memory block starting at
+- * in_data and write the result to out_data, up to a maximum length
+- * of out_len bytes.
+- *
+- * If the output buffer is not large enough or any error occurs return 0,
+- * otherwise return the number of bytes used, which might be considerably
+- * more than in_len (but less than 104% of the original size), so it
+- * makes sense to always use out_len == in_len - 1), to ensure _some_
+- * compression, and store the data uncompressed otherwise (with a flag, of
+- * course.
+- *
+- * lzf_compress might use different algorithms on different systems and
+- * even different runs, thus might result in different compressed strings
+- * depending on the phase of the moon or similar factors. However, all
+- * these strings are architecture-independent and will result in the
+- * original data when decompressed using lzf_decompress.
+- *
+- * The buffers must not be overlapping.
+- *
+- * If the option LZF_STATE_ARG is enabled, an extra argument must be
+- * supplied which is not reflected in this header file. Refer to lzfP.h
+- * and lzf_c.c.
+- *
+- */
+-unsigned int 
+-lzf_compress (const void *const in_data,  unsigned int in_len,
+-              void             *out_data, unsigned int out_len);
+-
+-/*
+- * Decompress data compressed with some version of the lzf_compress
+- * function and stored at location in_data and length in_len. The result
+- * will be stored at out_data up to a maximum of out_len characters.
+- *
+- * If the output buffer is not large enough to hold the decompressed
+- * data, a 0 is returned and errno is set to E2BIG. Otherwise the number
+- * of decompressed bytes (i.e. the original length of the data) is
+- * returned.
+- *
+- * If an error in the compressed data is detected, a zero is returned and
+- * errno is set to EINVAL.
+- *
+- * This function is very fast, about as fast as a copying loop.
+- */
+-unsigned int 
+-lzf_decompress (const void *const in_data,  unsigned int in_len,
+-                void             *out_data, unsigned int out_len);
+-
+-#endif
+-


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