galloca.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __G_ALLOCA_H__
  28 #define __G_ALLOCA_H__
  29
  30 #include <gtypes.h>
  31
  32 #ifdef  __GNUC__
  33 /* GCC does the right thing */
  34 # undef alloca
  35 # define alloca(size)   __builtin_alloca (size)
  36 #elif defined (GLIB_HAVE_ALLOCA_H)
  37 /* a native and working alloca.h is there */
  38 # include <alloca.h>
  39 #else /* !__GNUC__ && !GLIB_HAVE_ALLOCA_H */
  40 # ifdef _MSC_VER
  41 #  include <malloc.h>
  42 #  define alloca _alloca
  43 # else /* !_MSC_VER */
  44 #  ifdef _AIX
  45  #pragma alloca
  46 #  else /* !_AIX */
  47 #   ifndef alloca /* predefined by HP cc +Olibcalls */
  48 G_BEGIN_DECLS
  49 char *alloca ();
  50 G_END_DECLS
  51 #   endif /* !alloca */
  52 #  endif /* !_AIX */
  53 # endif /* !_MSC_VER */
  54 #endif /* !__GNUC__ && !GLIB_HAVE_ALLOCA_H */
  55
  56 #define g_alloca(size) alloca (size)
  57
  58
  59 #endif /* __G_ALLOCA_H__ */
  60