diff zlib/zconf.h @ 3:5a977ccbc7a9 default tip

Empty changelog
author darius
date Sat, 06 Dec 1997 05:41:29 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zlib/zconf.h	Sat Dec 06 05:41:29 1997 +0000
@@ -0,0 +1,90 @@
+/* zconf.h -- configuration of the zlib compression library
+ * Copyright (C) 1995 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h 
+ */
+
+/* $Id: zconf.h,v 1.1.1.1 1997/12/06 05:41:38 darius Exp $ */
+
+#ifndef _ZCONF_H
+#define _ZCONF_H
+
+/*
+     The library does not install any signal handler. It is recommended to
+  add at least a handler for SIGSEGV when decompressing; the library checks
+  the consistency of the input data whenever possible but may go nuts
+  for some forms of corrupted input.
+ */
+
+/*
+ * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
+ * than 64k bytes at a time (needed on systems with 16-bit int).
+ */
+#if defined(_GNUC__) && !defined(__32BIT__)
+#  define __32BIT__
+#endif
+#if defined(__MSDOS__) && !defined(MSDOS)
+#  define MSDOS
+#endif
+#if defined(MSDOS) && !defined(__32BIT__)
+#  define MAXSEG_64K
+#endif
+#if !defined(STDC) && (defined(MSDOS) || defined(__STDC__))
+#  define STDC
+#endif
+
+/* Maximum value for memLevel in deflateInit2 */
+#ifndef MAX_MEM_LEVEL
+#  ifdef MAXSEG_64K
+#    define MAX_MEM_LEVEL 8
+#  else
+#    define MAX_MEM_LEVEL 9
+#  endif
+#endif
+
+/* Maximum value for windowBits in deflateInit2 and inflateInit2 */
+#ifndef MAX_WBITS
+#  define MAX_WBITS   15 /* 32K LZ77 window */
+#endif
+
+/* The memory requirements for deflate are (in bytes):
+            1 << (windowBits+2)   +  1 << (memLevel+9)
+ that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
+ plus a few kilobytes for small objects. For example, if you want to reduce
+ the default memory requirements from 256K to 128K, compile with
+     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
+ Of course this will generally degrade compression (there's no free lunch).
+
+   The memory requirements for inflate are (in bytes) 1 << windowBits
+ that is, 32K for windowBits=15 (default value) plus a few kilobytes
+ for small objects.
+*/
+
+                        /* Type declarations */
+
+#ifndef __P /* function prototypes */
+#  ifdef STDC
+#    define __P(args)  args
+#  else
+#    define __P(args)  ()
+#  endif
+#endif
+
+#ifndef Byte
+  typedef unsigned char  Byte;  /* 8 bits */
+#endif
+#ifndef uInt
+  typedef unsigned int   uInt;  /* 16 bits or more */
+#endif
+#ifndef uLong
+  typedef unsigned long  uLong; /* 32 bits or more */
+#endif
+#ifndef voidp
+#  ifdef STDC
+     typedef void *voidp;
+#  else
+     typedef Byte *voidp;
+#  endif
+#endif
+
+#endif /* _ZCONF_H */
+