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/* memalloc.h -- consolidate code for including alloca.h or malloc.h and
defining alloca. */
/* Copyright (C) 1993 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#if !defined (_MEMALLOC_H_)
# define _MEMALLOC_H_
#if defined (sparc) && defined (sun) && !defined (HAVE_ALLOCA_H)
# define HAVE_ALLOCA_H
#endif
#if defined (__GNUC__) && !defined (HAVE_ALLOCA)
# define HAVE_ALLOCA
#endif
#if defined (HAVE_ALLOCA_H) && !defined (HAVE_ALLOCA) && !defined (C_ALLOCA)
# define HAVE_ALLOCA
#endif /* HAVE_ALLOCA_H && !HAVE_ALLOCA */
#if defined (__GNUC__) && !defined (C_ALLOCA)
# undef alloca
# define alloca __builtin_alloca
#else /* !__GNUC__ || C_ALLOCA */
# if defined (HAVE_ALLOCA_H) && !defined (C_ALLOCA)
# if defined (IBMESA)
# include <malloc.h>
# else /* !IBMESA */
# include <alloca.h>
# endif /* !IBMESA */
# else /* !HAVE_ALLOCA_H || C_ALLOCA */
# if defined (__hpux) && defined (__STDC__) && !defined (alloca)
extern void *alloca ();
# else
# if !defined (alloca)
# if defined (__STDC__)
extern void *alloca (size_t);
# else
extern char *alloca ();
# endif /* !__STDC__ */
# endif /* !alloca */
# endif /* !__hpux || !__STDC__ && !alloca */
# endif /* !HAVE_ALLOCA_H || C_ALLOCA */
#endif /* !__GNUC__ || C_ALLOCA */
#endif /* _MEMALLOC_H_ */
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