misc/winutils/include/pngconf.h
author antonc27 <antonc27@mail.ru>
Tue, 03 May 2016 01:09:36 +0200
changeset 11789 e2de320aaf69
parent 7889 57b117d441b9
permissions -rw-r--r--
- More ugly ifdefs for the ifdef god
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/* pngconf.h - machine configurable file for libpng
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 *
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 * libpng version 1.5.13 - September 27, 2012
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 *
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 * Copyright (c) 1998-2012 Glenn Randers-Pehrson
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 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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 *
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 * This code is released under the libpng license.
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 * For conditions of distribution and use, see the disclaimer
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 * and license in png.h
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 *
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 */
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/* Any machine specific code is near the front of this file, so if you
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 * are configuring libpng for a machine, you may want to read the section
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 * starting here down to where it starts to typedef png_color, png_text,
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 * and png_info.
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 */
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#ifndef PNGCONF_H
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#define PNGCONF_H
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#ifndef PNG_BUILDING_SYMBOL_TABLE
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/* PNG_NO_LIMITS_H may be used to turn off the use of the standard C
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 * definition file for  machine specific limits, this may impact the
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 * correctness of the definitions below (see uses of INT_MAX).
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 */
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#  ifndef PNG_NO_LIMITS_H
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#    include <limits.h>
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#  endif
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/* For the memory copy APIs (i.e. the standard definitions of these),
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 * because this file defines png_memcpy and so on the base APIs must
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 * be defined here.
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 */
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#  ifdef BSD
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#    include <strings.h>
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#  else
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#    include <string.h>
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#  endif
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/* For png_FILE_p - this provides the standard definition of a
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 * FILE
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 */
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#  ifdef PNG_STDIO_SUPPORTED
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#    include <stdio.h>
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#  endif
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#endif
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/* This controls optimization of the reading of 16 and 32 bit values
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 * from PNG files.  It can be set on a per-app-file basis - it
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 * just changes whether a macro is used when the function is called.
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 * The library builder sets the default; if read functions are not
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 * built into the library the macro implementation is forced on.
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 */
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#ifndef PNG_READ_INT_FUNCTIONS_SUPPORTED
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#  define PNG_USE_READ_MACROS
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#endif
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#if !defined(PNG_NO_USE_READ_MACROS) && !defined(PNG_USE_READ_MACROS)
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#  if PNG_DEFAULT_READ_MACROS
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#    define PNG_USE_READ_MACROS
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#  endif
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#endif
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/* COMPILER SPECIFIC OPTIONS.
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 *
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 * These options are provided so that a variety of difficult compilers
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 * can be used.  Some are fixed at build time (e.g. PNG_API_RULE
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 * below) but still have compiler specific implementations, others
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 * may be changed on a per-file basis when compiling against libpng.
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 */
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/* The PNGARG macro protects us against machines that don't have function
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 * prototypes (ie K&R style headers).  If your compiler does not handle
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 * function prototypes, define this macro and use the included ansi2knr.
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 * I've always been able to use _NO_PROTO as the indicator, but you may
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 * need to drag the empty declaration out in front of here, or change the
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 * ifdef to suit your own needs.
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 */
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#ifndef PNGARG
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#  ifdef OF /* zlib prototype munger */
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#    define PNGARG(arglist) OF(arglist)
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#  else
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#    ifdef _NO_PROTO
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#      define PNGARG(arglist) ()
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#    else
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#      define PNGARG(arglist) arglist
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#    endif /* _NO_PROTO */
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#  endif /* OF */
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#endif /* PNGARG */
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/* Function calling conventions.
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 * =============================
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 * Normally it is not necessary to specify to the compiler how to call
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 * a function - it just does it - however on x86 systems derived from
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 * Microsoft and Borland C compilers ('IBM PC', 'DOS', 'Windows' systems
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 * and some others) there are multiple ways to call a function and the
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 * default can be changed on the compiler command line.  For this reason
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 * libpng specifies the calling convention of every exported function and
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 * every function called via a user supplied function pointer.  This is
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 * done in this file by defining the following macros:
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 *
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 * PNGAPI    Calling convention for exported functions.
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 * PNGCBAPI  Calling convention for user provided (callback) functions.
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 * PNGCAPI   Calling convention used by the ANSI-C library (required
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 *           for longjmp callbacks and sometimes used internally to
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 *           specify the calling convention for zlib).
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 *
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 * These macros should never be overridden.  If it is necessary to
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 * change calling convention in a private build this can be done
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 * by setting PNG_API_RULE (which defaults to 0) to one of the values
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 * below to select the correct 'API' variants.
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 *
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 * PNG_API_RULE=0 Use PNGCAPI - the 'C' calling convention - throughout.
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 *                This is correct in every known environment.
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 * PNG_API_RULE=1 Use the operating system convention for PNGAPI and
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 *                the 'C' calling convention (from PNGCAPI) for
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 *                callbacks (PNGCBAPI).  This is no longer required
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 *                in any known environment - if it has to be used
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 *                please post an explanation of the problem to the
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 *                libpng mailing list.
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 *
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 * These cases only differ if the operating system does not use the C
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 * calling convention, at present this just means the above cases
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 * (x86 DOS/Windows sytems) and, even then, this does not apply to
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 * Cygwin running on those systems.
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 *
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 * Note that the value must be defined in pnglibconf.h so that what
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 * the application uses to call the library matches the conventions
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 * set when building the library.
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 */
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/* Symbol export
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 * =============
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 * When building a shared library it is almost always necessary to tell
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 * the compiler which symbols to export.  The png.h macro 'PNG_EXPORT'
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 * is used to mark the symbols.  On some systems these symbols can be
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 * extracted at link time and need no special processing by the compiler,
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 * on other systems the symbols are flagged by the compiler and just
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 * the declaration requires a special tag applied (unfortunately) in a
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 * compiler dependent way.  Some systems can do either.
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 *
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 * A small number of older systems also require a symbol from a DLL to
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 * be flagged to the program that calls it.  This is a problem because
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 * we do not know in the header file included by application code that
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 * the symbol will come from a shared library, as opposed to a statically
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 * linked one.  For this reason the application must tell us by setting
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 * the magic flag PNG_USE_DLL to turn on the special processing before
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 * it includes png.h.
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 *
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 * Four additional macros are used to make this happen:
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 *
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 * PNG_IMPEXP The magic (if any) to cause a symbol to be exported from
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 *            the build or imported if PNG_USE_DLL is set - compiler
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 *            and system specific.
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 *
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 * PNG_EXPORT_TYPE(type) A macro that pre or appends PNG_IMPEXP to
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 *                       'type', compiler specific.
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 *
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 * PNG_DLL_EXPORT Set to the magic to use during a libpng build to
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 *                make a symbol exported from the DLL.  Not used in the
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 *                public header files; see pngpriv.h for how it is used
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 *                in the libpng build.
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 *
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 * PNG_DLL_IMPORT Set to the magic to force the libpng symbols to come
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 *                from a DLL - used to define PNG_IMPEXP when
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 *                PNG_USE_DLL is set.
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 */
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/* System specific discovery.
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 * ==========================
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 * This code is used at build time to find PNG_IMPEXP, the API settings
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 * and PNG_EXPORT_TYPE(), it may also set a macro to indicate the DLL
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 * import processing is possible.  On Windows/x86 systems it also sets
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 * compiler-specific macros to the values required to change the calling
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 * conventions of the various functions.
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 */
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#if ( defined(_Windows) || defined(_WINDOWS) || defined(WIN32) ||\
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      defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__) ) &&\
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    ( defined(_X86_) || defined(_X64_) || defined(_M_IX86) ||\
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      defined(_M_X64) || defined(_M_IA64) )
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  /* Windows system (DOS doesn't support DLLs) running on x86/x64.  Includes
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   * builds under Cygwin or MinGW.  Also includes Watcom builds but these need
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   * special treatment because they are not compatible with GCC or Visual C
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   * because of different calling conventions.
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   */
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#  if PNG_API_RULE == 2
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    /* If this line results in an error, either because __watcall is not
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     * understood or because of a redefine just below you cannot use *this*
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     * build of the library with the compiler you are using.  *This* build was
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     * build using Watcom and applications must also be built using Watcom!
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     */
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#    define PNGCAPI __watcall
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#  endif
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#  if defined(__GNUC__) || (defined (_MSC_VER) && (_MSC_VER >= 800))
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#    define PNGCAPI __cdecl
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#    if PNG_API_RULE == 1
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#      define PNGAPI __stdcall
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#    endif
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#  else
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    /* An older compiler, or one not detected (erroneously) above,
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     * if necessary override on the command line to get the correct
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     * variants for the compiler.
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     */
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#    ifndef PNGCAPI
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#      define PNGCAPI _cdecl
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#    endif
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#    if PNG_API_RULE == 1 && !defined(PNGAPI)
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#      define PNGAPI _stdcall
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#    endif
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#  endif /* compiler/api */
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  /* NOTE: PNGCBAPI always defaults to PNGCAPI. */
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#  if defined(PNGAPI) && !defined(PNG_USER_PRIVATEBUILD)
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   ERROR: PNG_USER_PRIVATEBUILD must be defined if PNGAPI is changed
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#  endif
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#  if (defined(_MSC_VER) && _MSC_VER < 800) ||\
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      (defined(__BORLANDC__) && __BORLANDC__ < 0x500)
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    /* older Borland and MSC
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     * compilers used '__export' and required this to be after
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     * the type.
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     */
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#    ifndef PNG_EXPORT_TYPE
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#      define PNG_EXPORT_TYPE(type) type PNG_IMPEXP
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#    endif
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#    define PNG_DLL_EXPORT __export
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#  else /* newer compiler */
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#    define PNG_DLL_EXPORT __declspec(dllexport)
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#    ifndef PNG_DLL_IMPORT
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#      define PNG_DLL_IMPORT __declspec(dllimport)
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#    endif
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#  endif /* compiler */
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#else /* !Windows/x86 */
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#  if (defined(__IBMC__) || defined(__IBMCPP__)) && defined(__OS2__)
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#    define PNGAPI _System
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#  else /* !Windows/x86 && !OS/2 */
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    /* Use the defaults, or define PNG*API on the command line (but
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     * this will have to be done for every compile!)
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     */
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#  endif /* other system, !OS/2 */
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#endif /* !Windows/x86 */
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/* Now do all the defaulting . */
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#ifndef PNGCAPI
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#  define PNGCAPI
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#endif
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#ifndef PNGCBAPI
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#  define PNGCBAPI PNGCAPI
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#endif
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#ifndef PNGAPI
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#  define PNGAPI PNGCAPI
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#endif
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/* PNG_IMPEXP may be set on the compilation system command line or (if not set)
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 * then in an internal header file when building the library, otherwise (when
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 * using the library) it is set here.
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 */
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#ifndef PNG_IMPEXP
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#  if defined(PNG_USE_DLL) && defined(PNG_DLL_IMPORT)
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     /* This forces use of a DLL, disallowing static linking */
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#    define PNG_IMPEXP PNG_DLL_IMPORT
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#  endif
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#  ifndef PNG_IMPEXP
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#    define PNG_IMPEXP
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#  endif
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#endif
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/* In 1.5.2 the definition of PNG_FUNCTION has been changed to always treat
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 * 'attributes' as a storage class - the attributes go at the start of the
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 * function definition, and attributes are always appended regardless of the
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 * compiler.  This considerably simplifies these macros but may cause problems
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 * if any compilers both need function attributes and fail to handle them as
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 * a storage class (this is unlikely.)
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 */
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#ifndef PNG_FUNCTION
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#  define PNG_FUNCTION(type, name, args, attributes) attributes type name args
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#endif
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#ifndef PNG_EXPORT_TYPE
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#  define PNG_EXPORT_TYPE(type) PNG_IMPEXP type
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#endif
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   /* The ordinal value is only relevant when preprocessing png.h for symbol
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    * table entries, so we discard it here.  See the .dfn files in the
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    * scripts directory.
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    */
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#ifndef PNG_EXPORTA
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#  define PNG_EXPORTA(ordinal, type, name, args, attributes)\
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      PNG_FUNCTION(PNG_EXPORT_TYPE(type),(PNGAPI name),PNGARG(args), \
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        extern attributes)
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#endif
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/* ANSI-C (C90) does not permit a macro to be invoked with an empty argument,
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 * so make something non-empty to satisfy the requirement:
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 */
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#define PNG_EMPTY /*empty list*/
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#define PNG_EXPORT(ordinal, type, name, args)\
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   PNG_EXPORTA(ordinal, type, name, args, PNG_EMPTY)
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/* Use PNG_REMOVED to comment out a removed interface. */
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#ifndef PNG_REMOVED
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#  define PNG_REMOVED(ordinal, type, name, args, attributes)
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#endif
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#ifndef PNG_CALLBACK
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#  define PNG_CALLBACK(type, name, args) type (PNGCBAPI name) PNGARG(args)
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#endif
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/* Support for compiler specific function attributes.  These are used
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 * so that where compiler support is available incorrect use of API
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 * functions in png.h will generate compiler warnings.
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 *
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 * Added at libpng-1.2.41.
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 */
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#ifndef PNG_NO_PEDANTIC_WARNINGS
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#  ifndef PNG_PEDANTIC_WARNINGS_SUPPORTED
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#    define PNG_PEDANTIC_WARNINGS_SUPPORTED
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#  endif
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#endif
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#ifdef PNG_PEDANTIC_WARNINGS_SUPPORTED
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  /* Support for compiler specific function attributes.  These are used
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   * so that where compiler support is available incorrect use of API
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   * functions in png.h will generate compiler warnings.  Added at libpng
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   * version 1.2.41.
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   */
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#  if defined(__GNUC__)
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#    ifndef PNG_USE_RESULT
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#      define PNG_USE_RESULT __attribute__((__warn_unused_result__))
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#    endif
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#    ifndef PNG_NORETURN
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#      define PNG_NORETURN   __attribute__((__noreturn__))
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#    endif
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#    if __GNUC__ >= 3
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#      ifndef PNG_ALLOCATED
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#        define PNG_ALLOCATED  __attribute__((__malloc__))
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#      endif
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#      ifndef PNG_DEPRECATED
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#        define PNG_DEPRECATED __attribute__((__deprecated__))
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#      endif
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#      ifndef PNG_PRIVATE
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#        if 0 /* Doesn't work so we use deprecated instead*/
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#          define PNG_PRIVATE \
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            __attribute__((warning("This function is not exported by libpng.")))
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#        else
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#          define PNG_PRIVATE \
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            __attribute__((__deprecated__))
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#        endif
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#      endif
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#    endif /*  __GNUC__ >= 3 */
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#  endif /* __GNUC__ */
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#  if defined(_MSC_VER)  && (_MSC_VER >= 1300)
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#    ifndef PNG_USE_RESULT
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#      define PNG_USE_RESULT /* not supported */
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#    endif
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#    ifndef PNG_NORETURN
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#      define PNG_NORETURN __declspec(noreturn)
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#    endif
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#    ifndef PNG_ALLOCATED
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#      if (_MSC_VER >= 1400)
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#        define PNG_ALLOCATED __declspec(restrict)
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#      endif
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#    endif
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#    ifndef PNG_DEPRECATED
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#      define PNG_DEPRECATED __declspec(deprecated)
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#    endif
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#    ifndef PNG_PRIVATE
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#      define PNG_PRIVATE __declspec(deprecated)
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#    endif
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#  endif /* _MSC_VER */
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diff changeset
   385
#endif /* PNG_PEDANTIC_WARNINGS */
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parents: 7812
diff changeset
   386
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parents: 7812
diff changeset
   387
#ifndef PNG_DEPRECATED
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parents: 7812
diff changeset
   388
#  define PNG_DEPRECATED  /* Use of this function is deprecated */
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parents: 7812
diff changeset
   389
#endif
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parents: 7812
diff changeset
   390
#ifndef PNG_USE_RESULT
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parents: 7812
diff changeset
   391
#  define PNG_USE_RESULT  /* The result of this function must be checked */
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parents: 7812
diff changeset
   392
#endif
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parents: 7812
diff changeset
   393
#ifndef PNG_NORETURN
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diff changeset
   394
#  define PNG_NORETURN    /* This function does not return */
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parents: 7812
diff changeset
   395
#endif
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parents: 7812
diff changeset
   396
#ifndef PNG_ALLOCATED
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diff changeset
   397
#  define PNG_ALLOCATED   /* The result of the function is new memory */
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diff changeset
   398
#endif
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parents: 7812
diff changeset
   399
#ifndef PNG_PRIVATE
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   400
#  define PNG_PRIVATE     /* This is a private libpng function */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   401
#endif
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parents: 7812
diff changeset
   402
#ifndef PNG_FP_EXPORT     /* A floating point API. */
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parents: 7812
diff changeset
   403
#  ifdef PNG_FLOATING_POINT_SUPPORTED
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parents: 7812
diff changeset
   404
#     define PNG_FP_EXPORT(ordinal, type, name, args)\
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parents: 7812
diff changeset
   405
         PNG_EXPORT(ordinal, type, name, args);
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diff changeset
   406
#  else                   /* No floating point APIs */
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nemo
parents: 7812
diff changeset
   407
#     define PNG_FP_EXPORT(ordinal, type, name, args)
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parents: 7812
diff changeset
   408
#  endif
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parents: 7812
diff changeset
   409
#endif
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parents: 7812
diff changeset
   410
#ifndef PNG_FIXED_EXPORT  /* A fixed point API. */
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nemo
parents: 7812
diff changeset
   411
#  ifdef PNG_FIXED_POINT_SUPPORTED
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parents: 7812
diff changeset
   412
#     define PNG_FIXED_EXPORT(ordinal, type, name, args)\
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parents: 7812
diff changeset
   413
         PNG_EXPORT(ordinal, type, name, args);
57b117d441b9 consistent line endings
nemo
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diff changeset
   414
#  else                   /* No fixed point APIs */
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nemo
parents: 7812
diff changeset
   415
#     define PNG_FIXED_EXPORT(ordinal, type, name, args)
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parents: 7812
diff changeset
   416
#  endif
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parents: 7812
diff changeset
   417
#endif
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parents: 7812
diff changeset
   418
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nemo
parents: 7812
diff changeset
   419
/* The following uses const char * instead of char * for error
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   420
 * and warning message functions, so some compilers won't complain.
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nemo
parents: 7812
diff changeset
   421
 * If you do not want to use const, define PNG_NO_CONST here.
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nemo
parents: 7812
diff changeset
   422
 *
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   423
 * This should not change how the APIs are called, so it can be done
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   424
 * on a per-file basis in the application.
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   425
 */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   426
#ifndef PNG_CONST
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   427
#  ifndef PNG_NO_CONST
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nemo
parents: 7812
diff changeset
   428
#    define PNG_CONST const
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   429
#  else
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parents: 7812
diff changeset
   430
#    define PNG_CONST
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   431
#  endif
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parents: 7812
diff changeset
   432
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   433
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   434
/* Some typedefs to get us started.  These should be safe on most of the
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nemo
parents: 7812
diff changeset
   435
 * common platforms.  The typedefs should be at least as large as the
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   436
 * numbers suggest (a png_uint_32 must be at least 32 bits long), but they
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   437
 * don't have to be exactly that size.  Some compilers dislike passing
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   438
 * unsigned shorts as function parameters, so you may be better off using
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   439
 * unsigned int for png_uint_16.
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   440
 */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   441
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   442
#if defined(INT_MAX) && (INT_MAX > 0x7ffffffeL)
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   443
typedef unsigned int png_uint_32;
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   444
typedef int png_int_32;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   445
#else
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   446
typedef unsigned long png_uint_32;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   447
typedef long png_int_32;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   448
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   449
typedef unsigned short png_uint_16;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   450
typedef short png_int_16;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   451
typedef unsigned char png_byte;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   452
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   453
#ifdef PNG_NO_SIZE_T
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   454
typedef unsigned int png_size_t;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   455
#else
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   456
typedef size_t png_size_t;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   457
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   458
#define png_sizeof(x) (sizeof (x))
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   459
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   460
/* The following is needed for medium model support.  It cannot be in the
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   461
 * pngpriv.h header.  Needs modification for other compilers besides
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   462
 * MSC.  Model independent support declares all arrays and pointers to be
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   463
 * large using the far keyword.  The zlib version used must also support
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   464
 * model independent data.  As of version zlib 1.0.4, the necessary changes
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   465
 * have been made in zlib.  The USE_FAR_KEYWORD define triggers other
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   466
 * changes that are needed. (Tim Wegner)
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   467
 */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   468
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   469
/* Separate compiler dependencies (problem here is that zlib.h always
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   470
 * defines FAR. (SJT)
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   471
 */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   472
#ifdef __BORLANDC__
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   473
#  if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__)
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   474
#    define LDATA 1
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   475
#  else
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   476
#    define LDATA 0
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   477
#  endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   478
  /* GRR:  why is Cygwin in here?  Cygwin is not Borland C... */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   479
#  if !defined(__WIN32__) && !defined(__FLAT__) && !defined(__CYGWIN__)
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   480
#    define PNG_MAX_MALLOC_64K /* only used in build */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   481
#    if (LDATA != 1)
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   482
#      ifndef FAR
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   483
#        define FAR __far
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   484
#      endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   485
#      define USE_FAR_KEYWORD
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   486
#    endif   /* LDATA != 1 */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   487
         /* Possibly useful for moving data out of default segment.
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   488
          * Uncomment it if you want. Could also define FARDATA as
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   489
          * const if your compiler supports it. (SJT)
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   490
#        define FARDATA FAR
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   491
          */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   492
#  endif  /* __WIN32__, __FLAT__, __CYGWIN__ */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   493
#endif   /* __BORLANDC__ */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   494
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   495
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   496
/* Suggest testing for specific compiler first before testing for
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   497
 * FAR.  The Watcom compiler defines both __MEDIUM__ and M_I86MM,
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   498
 * making reliance oncertain keywords suspect. (SJT)
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   499
 */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   500
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   501
/* MSC Medium model */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   502
#ifdef FAR
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   503
#  ifdef M_I86MM
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   504
#    define USE_FAR_KEYWORD
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   505
#    define FARDATA FAR
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   506
#    include <dos.h>
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   507
#  endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   508
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   509
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   510
/* SJT: default case */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   511
#ifndef FAR
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   512
#  define FAR
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   513
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   514
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   515
/* At this point FAR is always defined */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   516
#ifndef FARDATA
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   517
#  define FARDATA
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   518
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   519
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   520
/* Typedef for floating-point numbers that are converted
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   521
 * to fixed-point with a multiple of 100,000, e.g., gamma
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   522
 */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   523
typedef png_int_32 png_fixed_point;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   524
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   525
/* Add typedefs for pointers */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   526
typedef void                      FAR * png_voidp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   527
typedef PNG_CONST void            FAR * png_const_voidp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   528
typedef png_byte                  FAR * png_bytep;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   529
typedef PNG_CONST png_byte        FAR * png_const_bytep;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   530
typedef png_uint_32               FAR * png_uint_32p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   531
typedef PNG_CONST png_uint_32     FAR * png_const_uint_32p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   532
typedef png_int_32                FAR * png_int_32p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   533
typedef PNG_CONST png_int_32      FAR * png_const_int_32p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   534
typedef png_uint_16               FAR * png_uint_16p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   535
typedef PNG_CONST png_uint_16     FAR * png_const_uint_16p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   536
typedef png_int_16                FAR * png_int_16p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   537
typedef PNG_CONST png_int_16      FAR * png_const_int_16p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   538
typedef char                      FAR * png_charp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   539
typedef PNG_CONST char            FAR * png_const_charp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   540
typedef png_fixed_point           FAR * png_fixed_point_p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   541
typedef PNG_CONST png_fixed_point FAR * png_const_fixed_point_p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   542
typedef png_size_t                FAR * png_size_tp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   543
typedef PNG_CONST png_size_t      FAR * png_const_size_tp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   544
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   545
#ifdef PNG_STDIO_SUPPORTED
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   546
typedef FILE            * png_FILE_p;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   547
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   548
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   549
#ifdef PNG_FLOATING_POINT_SUPPORTED
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   550
typedef double           FAR * png_doublep;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   551
typedef PNG_CONST double FAR * png_const_doublep;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   552
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   553
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   554
/* Pointers to pointers; i.e. arrays */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   555
typedef png_byte        FAR * FAR * png_bytepp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   556
typedef png_uint_32     FAR * FAR * png_uint_32pp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   557
typedef png_int_32      FAR * FAR * png_int_32pp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   558
typedef png_uint_16     FAR * FAR * png_uint_16pp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   559
typedef png_int_16      FAR * FAR * png_int_16pp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   560
typedef PNG_CONST char  FAR * FAR * png_const_charpp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   561
typedef char            FAR * FAR * png_charpp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   562
typedef png_fixed_point FAR * FAR * png_fixed_point_pp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   563
#ifdef PNG_FLOATING_POINT_SUPPORTED
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   564
typedef double          FAR * FAR * png_doublepp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   565
#endif
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   566
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   567
/* Pointers to pointers to pointers; i.e., pointer to array */
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   568
typedef char            FAR * FAR * FAR * png_charppp;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   569
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   570
/* png_alloc_size_t is guaranteed to be no smaller than png_size_t,
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   571
 * and no smaller than png_uint_32.  Casts from png_size_t or png_uint_32
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   572
 * to png_alloc_size_t are not necessary; in fact, it is recommended
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   573
 * not to use them at all so that the compiler can complain when something
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   574
 * turns out to be problematic.
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   575
 * Casts in the other direction (from png_alloc_size_t to png_size_t or
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   576
 * png_uint_32) should be explicitly applied; however, we do not expect
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   577
 * to encounter practical situations that require such conversions.
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   578
 */
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parents: 7812
diff changeset
   579
#if defined(__TURBOC__) && !defined(__FLAT__)
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parents: 7812
diff changeset
   580
   typedef unsigned long png_alloc_size_t;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   581
#else
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   582
#  if defined(_MSC_VER) && defined(MAXSEG_64K)
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   583
     typedef unsigned long    png_alloc_size_t;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   584
#  else
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nemo
parents: 7812
diff changeset
   585
     /* This is an attempt to detect an old Windows system where (int) is
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   586
      * actually 16 bits, in that case png_malloc must have an argument with a
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   587
      * bigger size to accomodate the requirements of the library.
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   588
      */
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nemo
parents: 7812
diff changeset
   589
#    if (defined(_Windows) || defined(_WINDOWS) || defined(_WINDOWS_)) && \
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   590
        (!defined(INT_MAX) || INT_MAX <= 0x7ffffffeL)
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nemo
parents: 7812
diff changeset
   591
       typedef DWORD         png_alloc_size_t;
57b117d441b9 consistent line endings
nemo
parents: 7812
diff changeset
   592
#    else
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parents: 7812
diff changeset
   593
       typedef png_size_t    png_alloc_size_t;
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   594
#    endif
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parents: 7812
diff changeset
   595
#  endif
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parents: 7812
diff changeset
   596
#endif
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parents: 7812
diff changeset
   597
57b117d441b9 consistent line endings
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parents: 7812
diff changeset
   598
#endif /* PNGCONF_H */