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#include <u.h>
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#include <libc.h>
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#include <venti.h>
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#include <thread.h>
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char *host;
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void
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usage(void)
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{
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	fprint(2, "usage: mkroot [-h host] name type score blocksize prev\n");
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	threadexitsall("usage");
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}
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void
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threadmain(int argc, char *argv[])
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{
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	uchar score[VtScoreSize];
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	uchar buf[VtRootSize];
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	VtConn *z;
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	VtRoot root;
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	ARGBEGIN{
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	case 'h':
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		host = EARGF(usage());
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		break;
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	default:
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		usage();
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		break;
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	}ARGEND
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	if(argc != 5)
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		usage();
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	fmtinstall('V', vtscorefmt);
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	fmtinstall('F', vtfcallfmt);
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	strecpy(root.name, root.name+sizeof root.name, argv[0]);
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	strecpy(root.type, root.type+sizeof root.type, argv[1]);
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	if(vtparsescore(argv[2], nil, root.score) < 0)
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		sysfatal("bad score '%s'", argv[2]);
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	root.blocksize = atoi(argv[3]);
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	if(vtparsescore(argv[4], nil, root.prev) < 0)
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		sysfatal("bad score '%s'", argv[4]);
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	vtrootpack(&root, buf);
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	z = vtdial(host);
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	if(z == nil)
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		sysfatal("could not connect to server: %r");
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	if(vtconnect(z) < 0)
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		sysfatal("vtconnect: %r");
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	if(vtwrite(z, score, VtRootType, buf, VtRootSize) < 0)
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		sysfatal("vtwrite: %r");
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	if(vtsync(z) < 0)
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		sysfatal("vtsync: %r");
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	vthangup(z);
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	print("%V\n", score);
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	threadexitsall(0);
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}