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Update libdisk to use the explicing encoding function for sunlabel data

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structures.
This commit is contained in:
Poul-Henning Kamp 2003-04-21 20:36:44 +00:00
parent 3d9c928705
commit 9ad2132174
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=113823
2 changed files with 13 additions and 11 deletions
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2
lib/libdisk/Makefile
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@ -7,6 +7,8 @@ INCS= libdisk.h
WARNS= 2
CFLAGS+= -I${.CURDIR}/../../sys/geom
.if ${MACHINE} == "pc98"
CFLAGS+= -DPC98
.endif

22
lib/libdisk/write_sparc64_disk.c
View File

@ -24,6 +24,8 @@ __FBSDID("$FreeBSD$");
#include <errno.h>
#include "libdisk.h"
#include "geom_sunlabel_enc.c"
int
Write_Disk(const struct disk *d1)
{
@ -34,6 +36,7 @@ Write_Disk(const struct disk *d1)
u_long secpercyl;
u_short *sp1, *sp2, cksum;
char device[64];
u_char buf[SUN_SIZE];
int fd;
strcpy(device, _PATH_DEV);
@ -74,9 +77,11 @@ Write_Disk(const struct disk *d1)
p = c1->name;
p += strlen(p);
p--;
if (*p < 'a' || *p > 'h')
if (*p < 'a')
continue;
i = *p - 'a';
if (i >= SUN_NPART)
continue;
sl->sl_part[i].sdkp_cyloffset = c1->offset / secpercyl;
sl->sl_part[i].sdkp_nsectors = c1->size;
for (i = 1; i < 16; i++) {
@ -90,17 +95,12 @@ Write_Disk(const struct disk *d1)
* seems to indicate that this covers the "obviously" visible part
* of the disk, ie: sl->sl_ncylinders.
*/
sl->sl_part[2].sdkp_cyloffset = 0;
sl->sl_part[2].sdkp_nsectors = sl->sl_ncylinders * secpercyl;
sl->sl_part[SUN_RAWPART].sdkp_cyloffset = 0;
sl->sl_part[SUN_RAWPART].sdkp_nsectors = sl->sl_ncylinders * secpercyl;
sp1 = (u_short *)sl;
sp2 = (u_short *)(sl + 1);
sl->sl_cksum = cksum = 0;
while (sp1 < sp2)
cksum ^= *sp1++;
sl->sl_cksum = cksum;
write_block(fd, 0, sl, sizeof *sl);
memset(buf, 0, sizeof buf);
sunlabel_enc(buf, &sl);
write_block(fd, 0, buf, sizeof buf);
close(fd);
return 0;