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36 lines
565 B
C
36 lines
565 B
C
/*
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*
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* (c) 2004-2007 Laurent Vivier <Laurent@lvivier.info>
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "libmap.h"
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int map_bootblock_read(map_t* map, char* bootblock)
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{
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off_t offset;
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int ret;
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int fd;
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if (!map_partition_is_valid(map))
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return -1;
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fd = open(map->name, O_RDONLY);
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if (fd == -1)
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return -1;
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offset = read_long((u_int32_t*)&map->partition.PyPartStart) * 512;
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lseek(fd, offset, SEEK_SET);
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ret = read(fd, bootblock, BOOTBLOCK_SIZE);
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close(fd);
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return ret;
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}
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