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31 lines
556 B
C
31 lines
556 B
C
/*
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*
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* (c) 2004, 2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <sys/types.h>
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#include <string.h>
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#include <macos/devices.h>
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#include "libscsi.h"
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#define ISO_BLOCKS(X) (((X) / device->sector_size) + (((X)%device->sector_size)?1:0))
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/* offset is a block number
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* size is the number of bytes to read
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*/
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int scsi_read_sector(scsi_device_t *device,
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off_t offset, void* buffer, size_t size)
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{
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OSErr err;
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err = scsi_READ(device->target, offset, ISO_BLOCKS(size), buffer, size);
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if (err != noErr)
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return -1;
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return 0;
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}
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