xref: /haiku/src/system/libroot/posix/glibc/stdlib/alloca.h (revision 5af32e752606778be5dd7379f319fe43cb3f6b8c)
1*5af32e75SAxel Dörfler /* Copyright (C) 1992, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
2*5af32e75SAxel Dörfler    This file is part of the GNU C Library.
3*5af32e75SAxel Dörfler 
4*5af32e75SAxel Dörfler    The GNU C Library is free software; you can redistribute it and/or
5*5af32e75SAxel Dörfler    modify it under the terms of the GNU Lesser General Public
6*5af32e75SAxel Dörfler    License as published by the Free Software Foundation; either
7*5af32e75SAxel Dörfler    version 2.1 of the License, or (at your option) any later version.
8*5af32e75SAxel Dörfler 
9*5af32e75SAxel Dörfler    The GNU C Library is distributed in the hope that it will be useful,
10*5af32e75SAxel Dörfler    but WITHOUT ANY WARRANTY; without even the implied warranty of
11*5af32e75SAxel Dörfler    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12*5af32e75SAxel Dörfler    Lesser General Public License for more details.
13*5af32e75SAxel Dörfler 
14*5af32e75SAxel Dörfler    You should have received a copy of the GNU Lesser General Public
15*5af32e75SAxel Dörfler    License along with the GNU C Library; if not, write to the Free
16*5af32e75SAxel Dörfler    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17*5af32e75SAxel Dörfler    02111-1307 USA.  */
18*5af32e75SAxel Dörfler 
19*5af32e75SAxel Dörfler #ifndef	_ALLOCA_H
20*5af32e75SAxel Dörfler #define	_ALLOCA_H	1
21*5af32e75SAxel Dörfler 
22*5af32e75SAxel Dörfler #include <features.h>
23*5af32e75SAxel Dörfler 
24*5af32e75SAxel Dörfler #define	__need_size_t
25*5af32e75SAxel Dörfler #include <stddef.h>
26*5af32e75SAxel Dörfler 
27*5af32e75SAxel Dörfler __BEGIN_DECLS
28*5af32e75SAxel Dörfler 
29*5af32e75SAxel Dörfler /* Remove any previous definitions.  */
30*5af32e75SAxel Dörfler #undef	alloca
31*5af32e75SAxel Dörfler 
32*5af32e75SAxel Dörfler /* Allocate a block that will be freed when the calling function exits.  */
33*5af32e75SAxel Dörfler extern void *alloca (size_t __size) __THROW;
34*5af32e75SAxel Dörfler 
35*5af32e75SAxel Dörfler #ifdef	__GNUC__
36*5af32e75SAxel Dörfler # define alloca(size)	__builtin_alloca (size)
37*5af32e75SAxel Dörfler #endif /* GCC.  */
38*5af32e75SAxel Dörfler 
39*5af32e75SAxel Dörfler __END_DECLS
40*5af32e75SAxel Dörfler 
41*5af32e75SAxel Dörfler #endif /* alloca.h */
42