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1 | /* memalloc.h -- consolidate code for including alloca.h or malloc.h and |
2 | defining alloca. */ | |
3 | ||
4 | /* Copyright (C) 1993 Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of GNU Bash, the Bourne Again SHell. | |
7 | ||
8 | Bash is free software; you can redistribute it and/or modify it under | |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 2, or (at your option) any later | |
11 | version. | |
12 | ||
13 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY | |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License along | |
19 | with Bash; see the file COPYING. If not, write to the Free Software | |
20 | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
21 | ||
22 | #if !defined (__MEMALLOC_H__) | |
23 | # define __MEMALLOC_H__ | |
24 | ||
25 | #if defined (sparc) && defined (sun) && !defined (HAVE_ALLOCA_H) | |
26 | # define HAVE_ALLOCA_H | |
27 | #endif | |
28 | ||
29 | #if defined (__GNUC__) && !defined (HAVE_ALLOCA) | |
30 | # define HAVE_ALLOCA | |
31 | #endif | |
32 | ||
33 | #if defined (HAVE_ALLOCA_H) && !defined (HAVE_ALLOCA) | |
34 | # define HAVE_ALLOCA | |
35 | #endif /* HAVE_ALLOCA_H && !HAVE_ALLOCA */ | |
36 | ||
37 | #if !defined (BUILDING_MAKEFILE) | |
38 | ||
39 | #if defined (__GNUC__) | |
40 | # undef alloca | |
41 | # define alloca __builtin_alloca | |
42 | #else /* !__GNUC__ */ | |
43 | # if defined (HAVE_ALLOCA_H) | |
44 | # if defined (IBMESA) | |
45 | # include <malloc.h> | |
46 | # else /* !IBMESA */ | |
47 | # include <alloca.h> | |
48 | # endif /* !IBMESA */ | |
49 | # else | |
50 | extern char *alloca (); | |
51 | # endif /* !HAVE_ALLOCA_H */ | |
52 | #endif /* !__GNUC__ */ | |
53 | ||
54 | #endif /* !BUILDING_MAKEFILE */ | |
55 | ||
56 | #endif /* __MEMALLOC_H__ */ |