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 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) 28 #error "Only <glib.h> can be included directly." 29 #endif 30 31 #ifndef __G_ALLOCA_H__ 32 #define __G_ALLOCA_H__ 33 34 #include <glib/gtypes.h> 35 36 #ifdef __GNUC__ 37 /* GCC does the right thing */ 38 # undef alloca 39 # define alloca(size) __builtin_alloca (size) 40 #elif defined (GLIB_HAVE_ALLOCA_H) 41 /* a native and working alloca.h is there */ 42 # include <alloca.h> 43 #else /* !__GNUC__ && !GLIB_HAVE_ALLOCA_H */ 44 # if defined(_MSC_VER) || defined(__DMC__) 45 # include <malloc.h> 46 # define alloca _alloca 47 # else /* !_MSC_VER && !__DMC__ */ 48 # ifdef _AIX 49 # pragma alloca 50 # else /* !_AIX */ 51 # ifndef alloca /* predefined by HP cc +Olibcalls */ 52 G_BEGIN_DECLS 53 char *alloca (); 54 G_END_DECLS 55 # endif /* !alloca */ 56 # endif /* !_AIX */ 57 # endif /* !_MSC_VER && !__DMC__ */ 58 #endif /* !__GNUC__ && !GLIB_HAVE_ALLOCA_H */ 59 60 #define g_alloca(size) alloca (size) 61 #define g_newa(struct_type, n_structs) ((struct_type*) g_alloca (sizeof (struct_type) * (gsize) (n_structs))) 62 63 #endif /* __G_ALLOCA_H__ */ 64