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allow to read driver if block is given using 'blocksize' bytes unit instead of 512 bytes unit; extract only bootsize bytes from the driver partition

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This commit is contained in:
Laurent Vivier 2006-10-16 20:03:22 +00:00
parent 151189f71f
commit 656abb6c79
1 changed files with 16 additions and 5 deletions
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21
tools/emile-map-set.c
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@ -111,7 +111,18 @@ static int get_driver(emile_map_t *map, int partition, char* appledriver)
part = emile_map_seek_driver_partition(map,
block * block_size / 512 );
if (part == partition)
break;
{
emile_map_read(map, part);
if (emile_is_apple_driver(map))
break;
}
part = emile_map_seek_driver_partition(map, block);
if (part == partition)
{
emile_map_read(map, part);
if (emile_is_apple_driver(map))
break;
}
}
if (part != partition)
{
@ -157,10 +168,10 @@ static int get_driver(emile_map_t *map, int partition, char* appledriver)
return -1;
}
ret = read(fd, code, partition_size * 512);
ret = read(fd, code, bootsize);
close(fd);
if (ret != partition_size * 512)
if (ret != bootsize)
{
fprintf(stderr, "ERROR: cannot read driver (read())\n");
free(code);
@ -183,11 +194,11 @@ static int get_driver(emile_map_t *map, int partition, char* appledriver)
return -1;
}
ret = write(fd, code, partition_size * 512);
ret = write(fd, code, bootsize);
close(fd);
free(code);
if (ret != partition_size * 512)
if (ret != bootsize)
{
fprintf(stderr, "ERROR: cannot save driver to %s\n",
appledriver);