xlmalloc.h

来自「基于东南大学开发的SEP3203的ARM7中的所有驱动」· C头文件 代码 · 共 18 行

#ifndef XLMALLOC_H
#define XLMALLOC_H

union header {
	struct {
		union header  *ptr;
		unsigned long size;
	} s;
	char c[8];	// For debugging; also ensure size is 8 bytes 
};


typedef union header HEADER;

#define	ABLKSIZE	(sizeof (HEADER))
#define	BTOU(nb)	((((nb) + ABLKSIZE - 1) / ABLKSIZE) + 1)

#endif