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Length: 1243 (0x4db)
Types: TextFile
Notes: UNIX file
Names: »malloc.h«
└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
└─⟦2d53db1df⟧ UNIX V7 Filesystem
└─ ⟦this⟧ »include/malloc.h«
└─ ⟦this⟧ »sys/z8001/h/malloc.h«
/* (-lgl
* The information contained herein is a trade secret of Mark Williams
* Company, and is confidential information. It is provided under a
* license agreement, and may be copied or disclosed only under the
* terms of that agreement. Any reproduction or disclosure of this
* material without the express written authorization of Mark Williams
* Company or persuant to the license agreement is unlawful.
*
* COHERENT Version 0.7.3
* Copyright (c) 1982, 1983, 1984.
* An unpublished work by Mark Williams Company, Chicago.
* All rights reserved.
-lgl) */
/*
* Structure and macros used by malloc.
* See malloc source for greater detail.
*/
#ifndef MALLOC_H
#define MALLOC_H MALLOC_H
#include <types.h>
typedef struct alloc_t {
struct alloc_t *a_next,
*a_prev;
} alloc_t;
#define _BIT_ 0x00010000L
#define next(p) ((vaddr_t)(p)->a_next & ~_BIT_)
#define prev(p) ((p)->a_prev)
#define tstused(p) ((vaddr_t)(p)->a_next & _BIT_)
#define tstfree(p) (!tstused(p))
#define setused(p) ((p)->a_next = (vaddr_t)(p)->a_next | _BIT_)
#define setfree(p) ((p)->a_next = (vaddr_t)(p)->a_next & ~_BIT_)
#define alength(p) ((char *)(p)->a_next-(char *)(p))
#define aligned(p) (!((vaddr_t)(p) & _BIT_))
#endif