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-rw-r--r--memalloc.h56
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diff --git a/memalloc.h b/memalloc.h
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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, 675 Mass Ave, Cambridge, MA 02139, 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)
+# define HAVE_ALLOCA
+#endif /* HAVE_ALLOCA_H && !HAVE_ALLOCA */
+
+#if !defined (BUILDING_MAKEFILE)
+
+#if defined (__GNUC__)
+# undef alloca
+# define alloca __builtin_alloca
+#else /* !__GNUC__ */
+# if defined (HAVE_ALLOCA_H)
+# if defined (IBMESA)
+# include <malloc.h>
+# else /* !IBMESA */
+# include <alloca.h>
+# endif /* !IBMESA */
+# else
+extern char *alloca ();
+# endif /* !HAVE_ALLOCA_H */
+#endif /* !__GNUC__ */
+
+#endif /* !BUILDING_MAKEFILE */
+
+#endif /* __MEMALLOC_H__ */