62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/* memalloc.h -- consolidate code for including alloca.h or malloc.h and
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defining alloca. */
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/* Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined (_MEMALLOC_H_)
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# define _MEMALLOC_H_
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#if defined (sparc) && defined (sun) && !defined (HAVE_ALLOCA_H)
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# define HAVE_ALLOCA_H
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#endif
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#if defined (__GNUC__) && !defined (HAVE_ALLOCA)
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# define HAVE_ALLOCA
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#endif
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#if defined (HAVE_ALLOCA_H) && !defined (HAVE_ALLOCA) && !defined (C_ALLOCA)
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# define HAVE_ALLOCA
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#endif /* HAVE_ALLOCA_H && !HAVE_ALLOCA */
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#if defined (__GNUC__) && !defined (C_ALLOCA)
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# undef alloca
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# define alloca __builtin_alloca
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#else /* !__GNUC__ || C_ALLOCA */
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# if defined (HAVE_ALLOCA_H) && !defined (C_ALLOCA)
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# if defined (IBMESA)
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# include <malloc.h>
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# else /* !IBMESA */
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# include <alloca.h>
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# endif /* !IBMESA */
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# else /* !HAVE_ALLOCA_H || C_ALLOCA */
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# if defined (__hpux) && defined (__STDC__) && !defined (alloca)
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extern void *alloca ();
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# else
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# if !defined (alloca)
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# if defined (__STDC__)
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extern void *alloca (size_t);
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# else
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extern char *alloca ();
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# endif /* !__STDC__ */
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# endif /* !alloca */
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# endif /* !__hpux || !__STDC__ && !alloca */
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# endif /* !HAVE_ALLOCA_H || C_ALLOCA */
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#endif /* !__GNUC__ || C_ALLOCA */
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#endif /* _MEMALLOC_H_ */
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