- Notifications
You must be signed in to change notification settings - Fork 416
/
Copy pathalloca.h
40 lines (29 loc) · 947 Bytes
/
alloca.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
#ifndef_ALLOCA_H
#include<stdlib/alloca.h>
# ifndef_ISOMAC
#include<stackinfo.h>
#undef __alloca
/* Now define the internal interfaces. */
externvoid*__alloca (size_t__size);
#ifdef__GNUC__
# define__alloca(size) __builtin_alloca (size)
#endif/* GCC. */
externint__libc_use_alloca (size_tsize) __attribute__ ((const));
externint__libc_alloca_cutoff (size_tsize) __attribute__ ((const));
libc_hidden_proto (__libc_alloca_cutoff)
#define__MAX_ALLOCA_CUTOFF 65536
#include<allocalim.h>
#if defined stackinfo_get_sp&& defined stackinfo_sub_sp
# definealloca_account(size, avar) \
({ void *old__ = stackinfo_get_sp (); \
void *m__ = __alloca (size); \
avar += stackinfo_sub_sp (old__); \
m__; })
#else
# definealloca_account(size, avar) \
({ size_t s__ = (size); \
avar += s__; \
__alloca (s__); })
#endif
# endif/* !_ISOMAC */
#endif