reusing existing API

[wxWidgets.git] / src / zlib / zutil.h

diff --git a/src/zlib/zutil.h b/src/zlib/zutil.h
index 1415c44225c108776ed79fac2e9ea74b50b7f310..b7d5eff81b69a3c23daec86c42dff4ba4746b1dd 100644 (file)
--- a/src/zlib/zutil.h
+++ b/src/zlib/zutil.h
@@ -1,5 +1,5 @@
 /* zutil.h -- internal interface and configuration of the compression library
 /* zutil.h -- internal interface and configuration of the compression library

- * Copyright (C) 1995-1998 Jean-loup Gailly.
+ * Copyright (C) 1995-2005 Jean-loup Gailly.

  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 


@@ -10,20 +10,33 @@
 
 /* @(#) $Id$ */
 
 
 /* @(#) $Id$ */
 

-#ifndef _Z_UTIL_H
-#define _Z_UTIL_H
+#ifndef ZUTIL_H
+#define ZUTIL_H

 
 

-#include "../zlib/zlib.h"
+#define ZLIB_INTERNAL
+#include "zlib.h"

 
 #ifdef STDC
 
 #ifdef STDC

-#  include <stddef.h>
+#  ifndef _WIN32_WCE
+#    include <stddef.h>
+#  endif

 #  include <string.h>
 #  include <stdlib.h>
 #endif
 #ifdef NO_ERRNO_H
 #  include <string.h>
 #  include <stdlib.h>
 #endif
 #ifdef NO_ERRNO_H

+#   ifdef _WIN32_WCE
+      /* The Microsoft C Run-Time Library for Windows CE doesn't have
+       * errno.  We define it as a global variable to simplify porting.
+       * Its value is always 0 and should not be used.  We rename it to
+       * avoid conflict with other libraries that use the same workaround.
+       */
+#     define errno z_errno
+#   endif

     extern int errno;
 #else
     extern int errno;
 #else

-#   include <errno.h>
+#  ifndef _WIN32_WCE
+#    include <errno.h>
+#  endif

 #endif
 
 #ifndef local
 #endif
 
 #ifndef local


@@ -37,7 +50,7 @@ typedef unsigned short ush;
 typedef ush FAR ushf;
 typedef unsigned long  ulg;
 
 typedef ush FAR ushf;
 typedef unsigned long  ulg;
 

-extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
+extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */

 /* (size given to avoid silly warnings with Visual C++) */
 
 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
 /* (size given to avoid silly warnings with Visual C++) */
 
 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]


@@ -73,27 +86,23 @@ extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
 
         /* target dependencies */
 
 
         /* target dependencies */
 

-#ifdef MSDOS
+#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))

 #  define OS_CODE  0x00
 #  define OS_CODE  0x00

-#  ifdef __TURBOC__
+#  if defined(__TURBOC__) || defined(__BORLANDC__)

 #    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
        /* Allow compilation with ANSI keywords only enabled */
        void _Cdecl farfree( void *block );
        void *_Cdecl farmalloc( unsigned long nbytes );
 #    else
 #    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
        /* Allow compilation with ANSI keywords only enabled */
        void _Cdecl farfree( void *block );
        void *_Cdecl farmalloc( unsigned long nbytes );
 #    else

-#     include <alloc.h>
+#      include <alloc.h>

 #    endif
 #  else /* MSC or DJGPP */
 #    include <malloc.h>
 #  endif
 #endif
 
 #    endif
 #  else /* MSC or DJGPP */
 #    include <malloc.h>
 #  endif
 #endif
 

-#ifdef OS2
-#  define OS_CODE  0x06
-#endif
-
-#ifdef WIN32 /* Window 95 & Windows NT */
-#  define OS_CODE  0x0b
+#ifdef AMIGA
+#  define OS_CODE  0x01

 #endif
 
 #if defined(VAXC) || defined(VMS)
 #endif
 
 #if defined(VAXC) || defined(VMS)


@@ -102,44 +111,59 @@ extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
 #endif
 
      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
 #endif
 

-#ifdef AMIGA
-#  define OS_CODE  0x01
-#endif
-

 #if defined(ATARI) || defined(atarist)
 #  define OS_CODE  0x05
 #endif
 
 #if defined(ATARI) || defined(atarist)
 #  define OS_CODE  0x05
 #endif
 

+#ifdef OS2
+#  define OS_CODE  0x06
+#  ifdef M_I86
+     #include <malloc.h>
+#  endif
+#endif
+

 #if defined(MACOS) || defined(TARGET_OS_MAC)
 #  define OS_CODE  0x07
 #if defined(MACOS) || defined(TARGET_OS_MAC)
 #  define OS_CODE  0x07

-#  ifndef fdopen
-#    define fdopen(fd,mode) NULL /* No fdopen() */
+#  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
+#    include <unix.h> /* for fdopen */
+#  else
+#    ifndef fdopen
+#      define fdopen(fd,mode) NULL /* No fdopen() */
+#    endif

 #  endif
 #endif
 #  endif
 #endif

-#if defined(__MWERKS__) && !defined(fdopen)
-#  if __dest_os != __be_os && __dest_os != __win32_os
-#    define fdopen(fd,mode) NULL
-#  endif
+
+#ifdef TOPS20
+#  define OS_CODE  0x0a

 #endif
 
 #endif
 

-#ifdef __50SERIES /* Prime/PRIMOS */
-#  define OS_CODE  0x0F
+#ifdef WIN32
+#  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
+#    define OS_CODE  0x0b
+#  endif

 #endif
 
 #endif
 

-#ifdef TOPS20
-#  define OS_CODE  0x0a
+#ifdef __50SERIES /* Prime/PRIMOS */
+#  define OS_CODE  0x0f

 #endif
 
 #if defined(_BEOS_) || defined(RISCOS)
 #  define fdopen(fd,mode) NULL /* No fdopen() */
 #endif
 
 #endif
 
 #if defined(_BEOS_) || defined(RISCOS)
 #  define fdopen(fd,mode) NULL /* No fdopen() */
 #endif
 

-#if (defined(_MSC_VER) && (_MSC_VER >= 600))
-#  define fdopen(fd,type)  _fdopen(fd,type)
+#if (defined(_MSC_VER) && (_MSC_VER > 600))
+#  if defined(_WIN32_WCE)
+#    define fdopen(fd,mode) NULL /* No fdopen() */
+#    ifndef _PTRDIFF_T_DEFINED
+       typedef int ptrdiff_t;
+#      define _PTRDIFF_T_DEFINED
+#    endif
+#  else
+#    define fdopen(fd,type)  _fdopen(fd,type)
+#  endif

 #endif
 
 #endif
 

-
-        /* Common defaults */
+        /* common defaults */

 
 #ifndef OS_CODE
 #  define OS_CODE  0x03  /* assume Unix */
 
 #ifndef OS_CODE
 #  define OS_CODE  0x03  /* assume Unix */


@@ -151,11 +175,37 @@ extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
 
          /* functions */
 
 
          /* functions */
 

-#ifdef HAVE_STRERROR
-   extern char *strerror OF((int));
-#  define zstrerror(errnum) strerror(errnum)
-#else
-#  define zstrerror(errnum) ""
+#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
+#  ifndef HAVE_VSNPRINTF
+#    define HAVE_VSNPRINTF
+#  endif
+#endif
+#if defined(__CYGWIN__)
+#  ifndef HAVE_VSNPRINTF
+#    define HAVE_VSNPRINTF
+#  endif
+#endif
+#ifndef HAVE_VSNPRINTF
+#  ifdef MSDOS
+     /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
+        but for now we just assume it doesn't. */
+#    define NO_vsnprintf
+#  endif
+#  ifdef __TURBOC__
+#    define NO_vsnprintf
+#  endif
+#  ifdef WIN32
+     /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
+#    if !defined(vsnprintf) && !defined(NO_vsnprintf)
+#      define vsnprintf _vsnprintf
+#    endif
+#  endif
+#  ifdef __SASC
+#    define NO_vsnprintf
+#  endif
+#endif
+#ifdef VMS
+#  define NO_vsnprintf

 #endif
 
 #if defined(pyr)
 #endif
 
 #if defined(pyr)


@@ -182,13 +232,13 @@ extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
 #    define zmemzero(dest, len) memset(dest, 0, len)
 #  endif
 #else
 #    define zmemzero(dest, len) memset(dest, 0, len)
 #  endif
 #else

-   extern void zmemcpy  OF((Bytef* dest, Bytef* source, uInt len));
-   extern int  zmemcmp  OF((Bytef* s1,   Bytef* s2, uInt len));
+   extern void zmemcpy  OF((Bytef* dest, const Bytef* source, uInt len));
+   extern int  zmemcmp  OF((const Bytef* s1, const Bytef* s2, uInt len));

    extern void zmemzero OF((Bytef* dest, uInt len));
 #endif
 
 /* Diagnostic functions */
    extern void zmemzero OF((Bytef* dest, uInt len));
 #endif
 
 /* Diagnostic functions */

-#ifdef __WXDEBUG__
+#ifdef DEBUG

 #  include <stdio.h>
    extern int z_verbose;
    extern void z_error    OF((char *m));
 #  include <stdio.h>
    extern int z_verbose;
    extern void z_error    OF((char *m));


@@ -208,21 +258,12 @@ extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
 #endif
 
 
 #endif
 
 

-#if defined(__VISAGECPP__)
-typedef uLong (ZEXPORT _Optlink *check_func) OF((uLong check, const Bytef *buf,
-                                      uInt len));
-voidpf _Optlink zcalloc OF((voidpf opaque, unsigned items, unsigned size));
-void  _Optlink zcfree OF((voidpf opaque, voidpf ptr));
-#else
-typedef uLong (ZEXPORT *check_func) OF((uLong check, const Bytef *buf,
-                                      uInt len));

 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
 void   zcfree  OF((voidpf opaque, voidpf ptr));
 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
 void   zcfree  OF((voidpf opaque, voidpf ptr));

-#endif

 
 #define ZALLOC(strm, items, size) \
            (*((strm)->zalloc))((strm)->opaque, (items), (size))
 #define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
 
 
 #define ZALLOC(strm, items, size) \
            (*((strm)->zalloc))((strm)->opaque, (items), (size))
 #define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
 

-#endif /* _Z_UTIL_H */
+#endif /* ZUTIL_H */