1
/* Memory allocation on the stack.
3
Copyright (C) 1995, 1999, 2001-2004, 2006-2008 Free Software
6
This program is free software; you can redistribute it and/or modify it
7
under the terms of the GNU Lesser General Public License as published
8
by the Free Software Foundation; either version 2, or (at your option)
11
This program is distributed in the hope that it will be useful,
12
but WITHOUT ANY WARRANTY; without even the implied warranty of
13
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14
General Public License for more details.
16
You should have received a copy of the GNU Lesser General Public
17
License along with this program; if not, write to the Free Software
18
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
21
/* Avoid using the symbol _ALLOCA_H here, as Bison assumes _ALLOCA_H
22
means there is a real alloca function. */
26
/* alloca (N) returns a pointer to N bytes of memory
27
allocated on the stack, which will last until the function returns.
28
Use of alloca should be avoided:
29
- inside arguments of function calls - undefined behaviour,
30
- in inline functions - the allocation may actually last until the
31
calling function returns,
32
- for huge N (say, N >= 65536) - you never know how large (or small)
33
the stack is, and when the stack cannot fulfill the memory allocation
34
request, the program just crashes.
39
# define alloca __builtin_alloca
41
# define alloca __alloca
42
# elif defined _MSC_VER
44
# define alloca _alloca
45
# elif defined __DECC && defined __VMS
46
# define alloca __ALLOCA
52
void *alloca (size_t);
56
#endif /* _GL_ALLOCA_H */
added
removed
win32/alloca.h
