00001 /* /////////////////////////////////////////////////////////////////////////////
00002  * File:        recls/alloca.h
00003  *
00004  * Purpose:     alloca macro for the recls API.
00005  *
00006  * Created:     16th March 2005
00007  * Updated:     27th September 2007
00008  *
00009  * Home:        http://recls.org/
00010  *
00011  * Copyright (c) 2005-2007, Matthew Wilson and Synesis Software
00012  * All rights reserved.
00013  *
00014  * Redistribution and use in source and binary forms, with or without 
00015  * modification, are permitted provided that the following conditions are met:
00016  *
00017  * - Redistributions of source code must retain the above copyright notice, this
00018  *   list of conditions and the following disclaimer. 
00019  * - Redistributions in binary form must reproduce the above copyright notice,
00020  *   this list of conditions and the following disclaimer in the documentation
00021  *   and/or other materials provided with the distribution.
00022  * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
00023  *   any contributors may be used to endorse or promote products derived from
00024  *   this software without specific prior written permission.
00025  *
00026  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00027  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00029  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00030  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00031  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00032  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00033  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00034  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00035  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00036  * POSSIBILITY OF SUCH DAMAGE.
00037  *
00038  * ////////////////////////////////////////////////////////////////////////// */
00039 
00040 
00041 #ifndef RECLS_INCL_RECLS_H_ALLOCA
00042 #define RECLS_INCL_RECLS_H_ALLOCA
00043 
00044 /* File version */
00045 #ifndef RECLS_DOCUMENTATION_SKIP_SECTION
00046 # define RECLS_VER_RECLS_H_ALLOCA_MAJOR     2
00047 # define RECLS_VER_RECLS_H_ALLOCA_MINOR     1
00048 # define RECLS_VER_RECLS_H_ALLOCA_REVISION  2
00049 # define RECLS_VER_RECLS_H_ALLOCA_EDIT      6
00050 #endif /* !RECLS_DOCUMENTATION_SKIP_SECTION */
00051 
00057 /* /////////////////////////////////////////////////////////////////////////////
00058  * Includes
00059  */
00060 
00061 #include <recls/recls.h>
00062 
00070 #ifndef recls_alloca
00071 # if defined(__GNUC__)
00072  /* GCC has __builtin_alloca */
00073 #  define recls_alloca      __builtin_alloca
00074 # elif defined(RECLS_PLATFORM_IS_WIN32) || \
00075        defined(RECLS_PLATFORM_IS_UNIX_EMULATED_ON_WIN32)
00076  /* On Windows, use alloca or _alloca */
00077 #  include <malloc.h>
00078 #  ifdef alloca
00079 #   define recls_alloca     alloca
00080 #  else /* ? alloca */
00081 #   define recls_alloca     _alloca
00082 #  endif /* !alloca */
00083 # else /* ? OS */
00084  /* On non-Windows, use alloca */
00085 #  include <alloca.h>
00086 #  define recls_alloca      alloca
00087 # endif /* OS */
00088 #endif /* !recls_alloca */
00089 
00090 /* /////////////////////////////////////////////////////////////////////////////
00091  * Namespace
00092  */
00093 
00094 #if !defined(RECLS_NO_NAMESPACE)
00095 namespace recls
00096 {
00097 #endif /* !RECLS_NO_NAMESPACE */
00098 
00099 /* /////////////////////////////////////////////////////////////////////////////
00100  * Namespace
00101  */
00102 
00103 #if !defined(RECLS_NO_NAMESPACE)
00104 } /* namespace recls */
00105 #endif /* !RECLS_NO_NAMESPACE */
00106 
00107 /* /////////////////////////////////////////////////////////////////////////////
00108  * Inclusion
00109  */
00110 
00111 #ifdef RECLS_CF_PRAGMA_ONCE_SUPPORT
00112 # pragma once
00113 #endif /* RECLS_CF_PRAGMA_ONCE_SUPPORT */
00114 
00115 /* ////////////////////////////////////////////////////////////////////////// */
00116 
00117 #endif /* !RECLS_INCL_RECLS_H_ALLOCA */
00118 
00119 /* ////////////////////////////////////////////////////////////////////////// */