| 1 | /* memalloc.h -- consolidate code for including alloca.h or malloc.h and
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| 2 | defining alloca. */
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| 3 |
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| 4 | /* Copyright (C) 1993 Free Software Foundation, Inc.
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| 5 |
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| 6 | This file is part of GNU Bash, the Bourne Again SHell.
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| 7 |
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| 8 | Bash is free software; you can redistribute it and/or modify it under
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| 9 | the terms of the GNU General Public License as published by the Free
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| 10 | Software Foundation; either version 2, or (at your option) any later
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| 11 | version.
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| 12 |
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| 13 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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| 14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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| 16 | for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License along
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| 19 | with Bash; see the file COPYING. If not, write to the Free Software
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| 20 | Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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| 21 |
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| 22 | #if !defined (_MEMALLOC_H_)
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| 23 | # define _MEMALLOC_H_
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| 24 |
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| 25 | #if defined (sparc) && defined (sun) && !defined (HAVE_ALLOCA_H)
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| 26 | # define HAVE_ALLOCA_H
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| 27 | #endif
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| 28 |
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| 29 | #if defined (__GNUC__) && !defined (HAVE_ALLOCA)
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| 30 | # define HAVE_ALLOCA
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| 31 | #endif
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| 32 |
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| 33 | #if defined (HAVE_ALLOCA_H) && !defined (HAVE_ALLOCA) && !defined (C_ALLOCA)
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| 34 | # define HAVE_ALLOCA
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| 35 | #endif /* HAVE_ALLOCA_H && !HAVE_ALLOCA */
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| 36 |
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| 37 | #if defined (__GNUC__) && !defined (C_ALLOCA)
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| 38 | # undef alloca
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| 39 | # define alloca __builtin_alloca
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| 40 | #else /* !__GNUC__ || C_ALLOCA */
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| 41 | # if defined (HAVE_ALLOCA_H) && !defined (C_ALLOCA)
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| 42 | # if defined (IBMESA)
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| 43 | # include <malloc.h>
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| 44 | # else /* !IBMESA */
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| 45 | # include <alloca.h>
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| 46 | # endif /* !IBMESA */
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| 47 | # else /* !HAVE_ALLOCA_H || C_ALLOCA */
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| 48 | # if defined (__hpux) && defined (__STDC__) && !defined (alloca)
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| 49 | extern void *alloca ();
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| 50 | # else
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| 51 | # if !defined (alloca)
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| 52 | # if defined (__STDC__)
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| 53 | extern void *alloca (size_t);
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| 54 | # else
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| 55 | extern char *alloca ();
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| 56 | # endif /* !__STDC__ */
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| 57 | # endif /* !alloca */
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| 58 | # endif /* !__hpux || !__STDC__ && !alloca */
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| 59 | # endif /* !HAVE_ALLOCA_H || C_ALLOCA */
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| 60 | #endif /* !__GNUC__ || C_ALLOCA */
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| 61 |
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| 62 | #endif /* _MEMALLOC_H_ */
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