return of venti

src/cmd/venti/write.c

@@ -0,0 +1,62 @@
+#include <u.h>
+#include <libc.h>
+#include <venti.h>
+#include <libsec.h>
+#include <thread.h>
+
+void
+usage(void)
+{
+	fprint(2, "usage: write [-z] [-h host] [-t type] <datablock\n");
+	threadexitsall("usage");
+}
+
+void
+threadmain(int argc, char *argv[])
+{
+	char *host;
+	int dotrunc, n, type;
+	uchar *p, score[VtScoreSize];
+	VtConn *z;
+
+	fmtinstall('F', vtfcallfmt);
+	fmtinstall('V', vtscorefmt);
+
+	host = nil;
+	dotrunc = 0;
+	type = VtDataType;
+	ARGBEGIN{
+	case 'z':
+		dotrunc = 1;
+		break;
+	case 'h':
+		host = EARGF(usage());
+		break;
+	case 't':
+		type = atoi(EARGF(usage()));
+		break;
+	default:
+		usage();
+		break;
+	}ARGEND
+
+	if(argc != 0)
+		usage();
+
+	p = vtmallocz(VtMaxLumpSize+1);
+	n = readn(0, p, VtMaxLumpSize+1);
+	if(n > VtMaxLumpSize)
+		sysfatal("input too big: max block size is %d", VtMaxLumpSize);
+	z = vtdial(host);
+	if(z == nil)
+		sysfatal("could not connect to server: %r");
+	if(vtconnect(z) < 0)
+		sysfatal("vtconnect: %r");
+	if(dotrunc)
+		n = vtzerotruncate(type, p, n);
+	if(vtwrite(z, score, type, p, n) < 0)
+		sysfatal("vtwrite: %r");
+	vthangup(z);
+	print("%V\n", score);
+	threadexitsall(0);
+}