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access bootblock from main device, not from partition

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This commit is contained in:
Laurent Vivier 2006-09-20 21:48:44 +00:00
parent 628d40d957
commit 8a3f83c256
1 changed files with 6 additions and 5 deletions
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11
libemile/emile_map_bootblock_read.c
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@ -1,7 +1,7 @@
static __attribute__((used)) char* rcsid = "$CVSHeader$";
/*
*
* (c) 2004 Laurent Vivier <Laurent@lvivier.info>
* (c) 2004-2006 Laurent Vivier <Laurent@lvivier.info>
*
*/
@ -13,21 +13,22 @@ static __attribute__((used)) char* rcsid = "$CVSHeader$";
#include "partition.h"
#include "libemile.h"
#include "emile.h"
int emile_map_bootblock_read(emile_map_t* map, char* bootblock)
{
char name[MAP_NAME_LEN];
off_t offset;
int ret;
int fd;
if (!emile_map_partition_is_valid(map))
return -1;
sprintf(name, "%s%d", map->name, map->current + 1);
fd = open(name, O_RDONLY);
fd = open(map->name, O_RDONLY);
if (fd == -1)
return -1;
offset = read_long(&map->partition.PyPartStart) * 512;
lseek(fd, offset, SEEK_SET);
ret = read(fd, bootblock, BOOTBLOCK_SIZE);