mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 05:20:06 +00:00
30 lines
1.1 KiB
C
30 lines
1.1 KiB
C
/* Determine whether block of given size can be allocated on the stack or not.
|
|
Copyright (C) 2002-2014 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation; either version 2.1 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include <alloca.h>
|
|
#include <limits.h>
|
|
|
|
|
|
extern __always_inline
|
|
int
|
|
__libc_use_alloca (size_t size)
|
|
{
|
|
return (__builtin_expect (size <= PTHREAD_STACK_MIN / 4, 1)
|
|
|| __builtin_expect (__libc_alloca_cutoff (size), 1));
|
|
}
|