diff options
Diffstat (limited to 'lib/alloca_.h')
-rw-r--r-- | lib/alloca_.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/lib/alloca_.h b/lib/alloca_.h deleted file mode 100644 index 3e3fdf4..0000000 --- a/lib/alloca_.h +++ /dev/null | |||
@@ -1,52 +0,0 @@ | |||
1 | /* Memory allocation on the stack. | ||
2 | |||
3 | Copyright (C) 1995, 1999, 2001, 2002, 2003, 2004 Free Software | ||
4 | Foundation, Inc. | ||
5 | |||
6 | This program is free software; you can redistribute it and/or modify it | ||
7 | under the terms of the GNU General Public License as published | ||
8 | by the Free Software Foundation; either version 2, or (at your option) | ||
9 | any later version. | ||
10 | |||
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. | ||
15 | |||
16 | You should have received a copy of the GNU 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, | ||
19 | USA. */ | ||
20 | |||
21 | /* Avoid using the symbol _ALLOCA_H here, as Bison assumes _ALLOCA_H | ||
22 | means there is a real alloca function. */ | ||
23 | #ifndef _GNULIB_ALLOCA_H | ||
24 | # define _GNULIB_ALLOCA_H | ||
25 | |||
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. | ||
35 | */ | ||
36 | |||
37 | #ifdef __GNUC__ | ||
38 | # define alloca __builtin_alloca | ||
39 | #elif defined _AIX | ||
40 | # define alloca __alloca | ||
41 | #elif defined _MSC_VER | ||
42 | # include <malloc.h> | ||
43 | # define alloca _alloca | ||
44 | #else | ||
45 | # include <stddef.h> | ||
46 | # ifdef __cplusplus | ||
47 | extern "C" | ||
48 | # endif | ||
49 | void *alloca (size_t); | ||
50 | #endif | ||
51 | |||
52 | #endif /* _GNULIB_ALLOCA_H */ | ||