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33 lines
581 B
C
33 lines
581 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 <unistd.h>
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#include "libmap.h"
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int map_write(map_t *map, int part)
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{
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off_t offset;
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int ret;
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int blocksize = map->device->get_blocksize(map->device);
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if (part > map->partition.MapBlkCnt)
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return -1;
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offset = part * sizeof(struct Partition) +
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sizeof(struct DriverDescriptor);
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ret = map->device->write_sector(map->device->data, offset / blocksize, &map->partition,
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sizeof(struct Partition));
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if (ret != -1)
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return -1;
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map->current = part;
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return part;
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}
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