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Remove the dtom() macro - nothing uses it anymore, and nothing should,

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ever, ever again.
This commit is contained in:
thorpej 1997-06-24 19:14:52 +00:00
parent a149ed59e4
commit d935da544d
1 changed files with 1 additions and 3 deletions
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4
sys/sys/mbuf.h
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@ -1,4 +1,4 @@
/* $NetBSD: mbuf.h,v 1.28 1997/06/08 17:59:56 kleink Exp $ */
/* $NetBSD: mbuf.h,v 1.29 1997/06/24 19:14:52 thorpej Exp $ */
/*
* Copyright (c) 1996, 1997 Jason R. Thorpe. All rights reserved.
@ -62,12 +62,10 @@
/*
* Macros for type conversion
* mtod(m,t) - convert mbuf pointer to data pointer of correct type
* dtom(x) - convert data pointer within mbuf to mbuf pointer (XXX)
* mtocl(x) - convert pointer within cluster to cluster index #
* cltom(x) - convert cluster # to ptr to beginning of cluster
*/
#define mtod(m,t) ((t)((m)->m_data))
#define dtom(x) ((struct mbuf *)((long)(x) & ~(MSIZE-1)))
#define mtocl(x) (((u_long)(x) - (u_long)mbutl) >> MCLSHIFT)
#define cltom(x) ((caddr_t)((u_long)mbutl + ((u_long)(x) << MCLSHIFT)))