Imported Upstream version 93u+upstream

1 files changed, 61 insertions, 0 deletions

diff --git a/src/lib/libast/astsa/vmalloc.h b/src/lib/libast/astsa/vmalloc.h
new file mode 100644
index 0000000..e3d2e5b
--- /dev/null
+++ b/src/lib/libast/astsa/vmalloc.h
@@ -0,0 +1,61 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2012 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+/*
+ * standalone mini vmalloc interface
+ */
+
+#ifndef _VMALLOC_H
+#define _VMALLOC_H		1
+
+#define vmalloc(v,n)		_vm_resize(v,(void*)0,n)
+#define vmalign(v,n,a)		_vm_resize(v,(void*)0,n)
+#define vmclose(v)		_vm_close(v)
+#define vmfree(v,p)
+#define vmnewof(v,o,t,n,x)	(t*)_vm_resize(v,(void*)o,sizeof(t)*(n)+(x))
+#define vmopen(a,b,c)		_vm_open()
+
+#define VM_CHUNK		(32*1024)
+#define VM_ALIGN		16
+
+typedef struct Vmchunk_s
+{
+	struct Vmchunk_s*	next;
+	char			align[VM_ALIGN - sizeof(struct Vmchunk_s*)];
+	char			data[VM_CHUNK - VM_ALIGN];
+} Vmchunk_t;
+
+typedef struct Vmalloc_s
+{
+	Vmchunk_t		base;		
+	Vmchunk_t*		current;
+	char*			data;
+	long			size;
+	long			last;
+} Vmalloc_t;
+
+extern Vmalloc_t*		Vmregion;
+
+extern int			_vm_close(Vmalloc_t*);
+extern Vmalloc_t*		_vm_open(void);
+extern void*			_vm_resize(Vmalloc_t*, void*, unsigned long);
+
+#endif