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Turn dkcksum() into an __inline function.

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Change its type to u_int_16_t.
This commit is contained in:
Poul-Henning Kamp 2000-09-16 13:43:00 +00:00
parent c80d29139c
commit fc87418be0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=65921
14 changed files with 51 additions and 144 deletions
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3
lib/libdisk/Makefile
View File

@ -1,7 +1,7 @@
# $FreeBSD$
LIB= disk
SRCS= blocks.c disklabel.c dkcksum.c chunk.c disk.c change.c \
SRCS= blocks.c disklabel.c chunk.c disk.c change.c \
create_chunk.c rules.c write_disk.c
INCS= libdisk.h
@ -10,7 +10,6 @@ CFLAGS+= -Wall
CFLAGS+= -DPC98
.endif
CLEANFILES+= tmp.c tst01 tst01.o
VPATH= ${.CURDIR}/../../sbin/disklabel
NOPROFILE= yes
NOSHARED= yes
NOPIC= yes

1
lib/libdisk/libdisk.h
View File

@ -265,7 +265,6 @@ int Add_Chunk(struct disk *, long, u_long, const char *, chunk_e, int, u_long);
void * read_block(int, daddr_t);
void write_block(int fd, daddr_t block, void *foo);
struct disklabel * read_disklabel(int, daddr_t);
u_short dkcksum(struct disklabel *);
struct chunk * Find_Mother_Chunk(struct chunk *, u_long, u_long, chunk_e);
struct disk * Int_Open_Disk(const char *name, u_long size);
void Fixup_Names(struct disk *);

1
lib/libstand/stand.h
View File

@ -212,7 +212,6 @@ extern void free_region(void *start, void *end);
/* disklabel support (undocumented, may be junk) */
struct disklabel;
extern char *getdisklabel(const char *, struct disklabel *);
extern int dkcksum(struct disklabel *);
extern int printf(const char *fmt, ...);
extern void vprintf(const char *fmt, _BSD_VA_LIST_);

2
sbin/bsdlabel/Makefile
View File

@ -2,7 +2,7 @@
# $FreeBSD$
PROG= disklabel
SRCS= disklabel.c dkcksum.c
SRCS= disklabel.c
MAN8= disklabel.8
MAN5= disklabel.5

1
sbin/bsdlabel/bsdlabel.c
View File

@ -105,7 +105,6 @@ int checklabel __P((struct disklabel *));
void setbootflag __P((struct disklabel *));
void Warning (char *, ...);
void usage __P((void));
extern u_short dkcksum __P((struct disklabel *));
struct disklabel * getvirginlabel __P((void));
#define DEFEDITOR _PATH_VI

57
sbin/bsdlabel/dkcksum.c
View File

@ -1,57 +0,0 @@
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)dkcksum.c 8.1 (Berkeley) 6/5/93";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/types.h>
#include <sys/disklabel.h>
u_short
dkcksum(lp)
register struct disklabel *lp;
{
register u_short *start, *end;
register u_short sum = 0;
start = (u_short *)lp;
end = (u_short *)&lp->d_partitions[lp->d_npartitions];
while (start < end)
sum ^= *start++;
return (sum);
}

2
sbin/disklabel/Makefile
View File

@ -2,7 +2,7 @@
# $FreeBSD$
PROG= disklabel
SRCS= disklabel.c dkcksum.c
SRCS= disklabel.c
MAN8= disklabel.8
MAN5= disklabel.5

1
sbin/disklabel/disklabel.c
View File

@ -105,7 +105,6 @@ int checklabel __P((struct disklabel *));
void setbootflag __P((struct disklabel *));
void Warning (char *, ...);
void usage __P((void));
extern u_short dkcksum __P((struct disklabel *));
struct disklabel * getvirginlabel __P((void));
#define DEFEDITOR _PATH_VI

57
sbin/disklabel/dkcksum.c
View File

@ -1,57 +0,0 @@
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)dkcksum.c 8.1 (Berkeley) 6/5/93";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/types.h>
#include <sys/disklabel.h>
u_short
dkcksum(lp)
register struct disklabel *lp;
{
register u_short *start, *end;
register u_short sum = 0;
start = (u_short *)lp;
end = (u_short *)&lp->d_partitions[lp->d_npartitions];
while (start < end)
sum ^= *start++;
return (sum);
}

5
sbin/newfs/Makefile
View File

@ -1,12 +1,13 @@
# @(#)Makefile 8.2 (Berkeley) 3/27/94
# $FreeBSD$
PROG= newfs
SRCS= dkcksum.c getmntopts.c newfs.c mkfs.c
SRCS= getmntopts.c newfs.c mkfs.c
MAN8= newfs.8
MOUNT= ${.CURDIR}/../mount
CFLAGS+=-DMFS -DFSIRAND -I${MOUNT}
.PATH: ${MOUNT} ${.CURDIR}/../disklabel
.PATH: ${MOUNT}
LINKS= ${BINDIR}/newfs ${BINDIR}/mount_mfs
MLINKS= newfs.8 mount_mfs.8 newfs.8 mfs.8 newfs.8 tmpfs.8

17
sys/kern/subr_disklabel.c
View File

@ -323,23 +323,6 @@ writedisklabel(dev, lp)
return (error);
}
/*
* Compute checksum for disk label.
*/
u_int
dkcksum(lp)
register struct disklabel *lp;
{
register u_short *start, *end;
register u_short sum = 0;
start = (u_short *)lp;
end = (u_short *)&lp->d_partitions[lp->d_npartitions];
while (start < end)
sum ^= *start++;
return (sum);
}
/*
* Disk error is the preface to plaintive error messages
* about failing disk transfers. It prints messages of the form

16
sys/sys/disklabel.h
View File

@ -180,6 +180,21 @@ struct disklabel {
#define p_sgs __partition_u1.sgs
} d_partitions[MAXPARTITIONS]; /* actually may be more */
};
static __inline u_int16_t
dkcksum(lp)
struct disklabel *lp;
{
u_int16_t *start, *end;
u_int16_t sum = 0;
start = (u_int16_t *)lp;
end = (u_int16_t *)&lp->d_partitions[lp->d_npartitions];
while (start < end)
sum ^= *start++;
return (sum);
}
#else /* LOCORE */
/*
* offsets for asm boot files.
@ -449,7 +464,6 @@ int bounds_check_with_label __P((struct bio *bp, struct disklabel *lp,
void diskerr __P((struct bio *bp, char *what, int pri, int blkdone,
struct disklabel *lp));
void disksort __P((struct buf *ap, struct buf *bp));
u_int dkcksum __P((struct disklabel *lp));
char *readdisklabel __P((dev_t dev, struct disklabel *lp));
void bioqdisksort __P((struct bio_queue_head *ap, struct bio *bp));
int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp,

16
sys/sys/diskmbr.h
View File

@ -180,6 +180,21 @@ struct disklabel {
#define p_sgs __partition_u1.sgs
} d_partitions[MAXPARTITIONS]; /* actually may be more */
};
static __inline u_int16_t
dkcksum(lp)
struct disklabel *lp;
{
u_int16_t *start, *end;
u_int16_t sum = 0;
start = (u_int16_t *)lp;
end = (u_int16_t *)&lp->d_partitions[lp->d_npartitions];
while (start < end)
sum ^= *start++;
return (sum);
}
#else /* LOCORE */
/*
* offsets for asm boot files.
@ -449,7 +464,6 @@ int bounds_check_with_label __P((struct bio *bp, struct disklabel *lp,
void diskerr __P((struct bio *bp, char *what, int pri, int blkdone,
struct disklabel *lp));
void disksort __P((struct buf *ap, struct buf *bp));
u_int dkcksum __P((struct disklabel *lp));
char *readdisklabel __P((dev_t dev, struct disklabel *lp));
void bioqdisksort __P((struct bio_queue_head *ap, struct bio *bp));
int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp,

16
sys/sys/diskpc98.h
View File

@ -180,6 +180,21 @@ struct disklabel {
#define p_sgs __partition_u1.sgs
} d_partitions[MAXPARTITIONS]; /* actually may be more */
};
static __inline u_int16_t
dkcksum(lp)
struct disklabel *lp;
{
u_int16_t *start, *end;
u_int16_t sum = 0;
start = (u_int16_t *)lp;
end = (u_int16_t *)&lp->d_partitions[lp->d_npartitions];
while (start < end)
sum ^= *start++;
return (sum);
}
#else /* LOCORE */
/*
* offsets for asm boot files.
@ -449,7 +464,6 @@ int bounds_check_with_label __P((struct bio *bp, struct disklabel *lp,
void diskerr __P((struct bio *bp, char *what, int pri, int blkdone,
struct disklabel *lp));
void disksort __P((struct buf *ap, struct buf *bp));
u_int dkcksum __P((struct disklabel *lp));
char *readdisklabel __P((dev_t dev, struct disklabel *lp));
void bioqdisksort __P((struct bio_queue_head *ap, struct bio *bp));
int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp,