135c56336a
`err()'). libdisk does! and additionally libdisk gets confused on Alpha disks with foreign disklabels, throws up its hands and exits. This is the cause of the "going no where without my init" install bug on the Alpha. So now on the Alpha, rather than call err(), we print the error string and continue processing. Submitted by: jkh
41 lines
987 B
C
41 lines
987 B
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $FreeBSD$
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "libdisk.h"
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void *
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read_block(int fd, daddr_t block)
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{
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void *foo;
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foo = malloc(512);
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if (!foo)
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barfout(1,"malloc");
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if (-1 == lseek(fd, (off_t)block * 512, SEEK_SET))
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barfout(1, "lseek");
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if (512 != read(fd,foo, 512))
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barfout(1,"read");
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return foo;
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}
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void
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write_block(int fd, daddr_t block, void *foo)
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{
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if (-1 == lseek(fd, (off_t)block * 512, SEEK_SET))
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barfout(1, "lseek");
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if (512 != write(fd,foo, 512))
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barfout(1,"write");
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}
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