freebsd-src/release/libdisk/create_chunk.c
Poul-Henning Kamp 9781a14091 get bootblocks right.
Add mbr and bteasy17 to tst01
read partitions from kernel instead of disk.
Still problems with writing labels, discussing with Bruce.
Extended slices doesn't get written yet.
1995-04-30 11:04:16 +00:00

136 lines
2.9 KiB
C

/*
* ----------------------------------------------------------------------------
* "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: create_chunk.c,v 1.4 1995/04/30 06:09:25 phk Exp $
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/disklabel.h>
#include <sys/diskslice.h>
#include <sys/types.h>
#include <err.h>
#include "libdisk.h"
void
Fixup_FreeBSD_Names(struct disk *d, struct chunk *c)
{
struct chunk *c1, *c3;
int j;
char *p=0;
if (!strcmp(c->name, "X")) return;
for (c1 = c->part; c1 ; c1 = c1->next) {
if (c1->type == unused) continue;
if (c1->type == reserved) continue;
if (strcmp(c1->name, "X")) continue;
for(j=0;j<8;j++) {
if (j == 2)
continue;
p = malloc(12);
if(!p) err(1,"malloc failed");
sprintf(p,"%s%c",c->name,j+'a');
for(c3 = c->part; c3 ; c3 = c3->next)
if (c3 != c1 && !strcmp(c3->name, p))
goto match;
free(c1->name);
c1->name = p;
p = 0;
break;
match:
continue;
}
if(p)
free(p);
}
}
void
Fixup_Extended_Names(struct disk *d, struct chunk *c)
{
struct chunk *c1, *c3;
int j;
char *p=0;
for (c1 = c->part; c1 ; c1 = c1->next) {
if (c1->type == freebsd)
Fixup_FreeBSD_Names(d,c1);
if (c1->type == unused) continue;
if (c1->type == reserved) continue;
if (strcmp(c1->name, "X")) continue;
for(j=5;j<=29;j++) {
p = malloc(12);
if(!p) err(1,"malloc failed");
sprintf(p,"%ss%d",c->name,j);
for(c3 = c->part; c3 ; c3 = c3->next)
if (c3 != c1 && !strcmp(c3->name, p))
goto match;
free(c1->name);
c1->name = p;
p = 0;
break;
match:
continue;
}
if(p)
free(p);
}
}
void
Fixup_Names(struct disk *d)
{
struct chunk *c1, *c2, *c3;
int i,j;
char *p=0;
c1 = d->chunks;
for(i=1,c2 = c1->part; c2 ; c2 = c2->next) {
if (c2->type == freebsd)
Fixup_FreeBSD_Names(d,c2);
if (c2->type == extended)
Fixup_Extended_Names(d,c2);
if (c2->type == unused)
continue;
if (c2->type == reserved)
continue;
if (strcmp(c2->name,"X"))
continue;
p = malloc(12);
if(!p) err(1,"malloc failed");
for(j=1;j<=NDOSPART;j++) {
sprintf(p,"%ss%d",c1->name,j);
for(c3 = c1->part; c3 ; c3 = c3->next)
if (c3 != c2 && !strcmp(c3->name, p))
goto match;
free(c2->name);
c2->name = p;
p = 0;
break;
match:
continue;
}
if(p)
free(p);
}
}
int
Create_Chunk(struct disk *d, u_long offset, u_long size, chunk_e type, int subtype, u_long flags)
{
int i;
i = Add_Chunk(d,offset,size,"X",type,subtype,flags);
Fixup_Names(d);
return i;
}