Fix mbr error messages on empty partitions.
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@ -237,9 +237,10 @@ int main(int argc, char* argv[])
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if ( fd < 0 )
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error(1, errno, "`%s'", path);
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struct mbr mbr;
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if ( preadall(fd, &mbr, sizeof(mbr), 0) != sizeof(mbr) )
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size_t amount = preadall(fd, &mbr, sizeof(mbr), 0);
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if ( amount < sizeof(mbr) && errno != EEOF )
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error(1, errno, "read: `%s'", path);
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if ( !verify_is_mbr(&mbr) )
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if ( amount < sizeof(mbr) || !verify_is_mbr(&mbr) )
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{
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if ( probe )
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exit(1);
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