method-attribute.h

/*
  Copyright 1999 ImageMagick Studio LLC, a non-profit organization
  dedicated to making software imaging solutions freely available.
 
  You may not use this file except in compliance with the License.  You may
  obtain a copy of the License at
 
    https://imagemagick.org/license/
 
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 
  MagickCore method attributes.
*/
#ifndef MAGICKCORE_METHOD_ATTRIBUTE_H
#define MAGICKCORE_METHOD_ATTRIBUTE_H
 
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
 
#if defined(_DLL)
#  define _MAGICKDLL_
#  if !defined(_MAGICKLIB_)
#    define _MAGICKLIB_
#  endif
#  define MAGICKCORE_MODULES_SUPPORT
#  undef MAGICKCORE_BUILD_MODULES
#endif
 
#if defined(MAGICKCORE_WINDOWS_SUPPORT) && !defined(__CYGWIN__)
#  define MagickPrivate
#  if defined(_MT) && defined(_DLL) && !defined(_MAGICKDLL_) && !defined(_LIB)
#    define _MAGICKDLL_
#  endif
#  if defined(_MAGICKDLL_)
#    if defined(_VISUALC_)
#      pragma warning( disable: 4273 )  /* Disable the dll linkage warnings */
#    endif
#    if !defined(_MAGICKLIB_)
#      if defined(__clang__) || defined(__GNUC__)
#        define MagickExport __attribute__ ((dllimport))
#      else
#        define MagickExport __declspec(dllimport)
#      endif
#    else
#      if defined(__clang__) || defined(__GNUC__)
#        define MagickExport __attribute__ ((dllexport))
#      else
#        define MagickExport __declspec(dllexport)
#      endif
#    endif
#  else
#    define MagickExport
#  endif
#  if defined(_DLL) && !defined(_LIB)
#    if defined(__clang__) || defined(__GNUC__)
#      define ModuleExport __attribute__ ((dllexport))
#    else
#      define ModuleExport __declspec(dllexport)
#    endif
#  else
#    define ModuleExport
#  endif
#  if defined(_VISUALC_)
#    pragma warning(disable : 4018)
#    pragma warning(disable : 4068)
#    pragma warning(disable : 4244)
#    pragma warning(disable : 4142)
#    pragma warning(disable : 4800)
#    pragma warning(disable : 4786)
#    pragma warning(disable : 4996)
#  endif
#else
#  if defined(__clang__) || (__GNUC__ >= 4)
#    define MagickExport __attribute__ ((visibility ("default")))
#    define MagickPrivate  __attribute__ ((visibility ("hidden")))
#  else
#    define MagickExport
#    define MagickPrivate
#  endif
#  define ModuleExport  MagickExport
#endif
 
#define MagickCoreSignature  0xabacadabUL
#define MagickSignature  MagickCoreSignature
#if !defined(MaxTextExtent)
#  define MaxTextExtent  4096  /* always >= max(4096,PATH_MAX) */
#endif
#define MagickTimeExtent  26
 
#if defined(MAGICKCORE_HAVE___ATTRIBUTE__)
#  define magick_aligned(x,y)  x __attribute__((aligned(y)))
#  define magick_attribute  __attribute__
#  define magick_unused(x)  magick_unused_ ## x __attribute__((unused))
#  define magick_unreferenced(x)  /* nothing */
#elif defined(MAGICKCORE_WINDOWS_SUPPORT) && !defined(__CYGWIN__)
#  define magick_aligned(x,y)  __declspec(align(y)) x
#  define magick_attribute(x)  /* nothing */
#  define magick_unused(x) x
#  define magick_unreferenced(x) (x)
#else
#  define magick_aligned(x,y)  /* nothing */
#  define magick_attribute(x)  /* nothing */
#  define magick_unused(x) x
#  define magick_unreferenced(x)  /* nothing */
#endif
 
#if !defined(__clang__) && (defined(__GNUC__) && (__GNUC__) > 4)
#  define magick_alloc_size(x)  __attribute__((__alloc_size__(x)))
#  define magick_alloc_sizes(x,y)  __attribute__((__alloc_size__(x,y)))
#  define magick_fallthrough  __attribute__((fallthrough))
#else
#  define magick_alloc_size(x)  /* nothing */
#  define magick_alloc_sizes(x,y)  /* nothing */
#  define magick_fallthrough  /* nothing */
#endif
 
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__) > 4)
#  define magick_cold_spot  __attribute__((__cold__))
#  define magick_hot_spot  __attribute__((__hot__))
#else
#  define magick_cold_spot
#  define magick_hot_spot
#endif
 
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
 
#endif