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/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id$
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/diskslice.h>
#include <sys/disklabel.h>
#include <err.h>
#include "libdisk.h"
/*
* Rule#0:
* Chunks of type 'whole' can have max NDOSPART children.
*/
void
Rule_000(struct disk *d, struct chunk *c, char *msg)
{
int i;
struct chunk *c1;
if (c->type != whole)
return;
for (i=0, c1=c->part; c1; c1=c1->next)
if (c1->type != unused)
i++;
if (i <= NDOSPART)
return;
sprintf(msg+strlen(msg),
"%d is too many children of the 'whole' chunk. Max is %d\n",
i, NDOSPART);
}
/*
* Rule#1:
* All children of 'whole' must be track-aligned
*/
void
Rule_001(struct disk *d, struct chunk *c, char *msg)
{
int i;
struct chunk *c1;
if (c->type != whole)
return;
for (i=0, c1=c->part; c1; c1=c1->next) {
if (c1->type == reserved)
continue;
if (c1->type == unused)
continue;
if (!Aligned(d,c1->offset))
sprintf(msg+strlen(msg),
"chunk '%s' [%ld..%ld] does not start on a track boundary\n",
c1->name,c1->offset,c1->end);
if (!Aligned(d,c1->end+1))
sprintf(msg+strlen(msg),
"chunk '%s' [%ld..%ld] does not end on a track boundary\n",
c1->name,c1->offset,c1->end);
}
}
void
Check_Chunk(struct disk *d, struct chunk *c, char *msg)
{
Rule_000(d,c,msg);
Rule_001(d,c,msg);
if (c->part)
Check_Chunk(d,c->part,msg);
if (c->next)
Check_Chunk(d,c->next,msg);
return;
}
char *
CheckRules(struct disk *d)
{
char msg[BUFSIZ];
*msg = '\0';
Check_Chunk(d,d->chunks,msg);
if (*msg)
return strdup(msg);
return 0;
}
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