ref: 8417787f994891759273865919b34b5a2e6e8735
dir: /sys/src/cmd/venti/write.c/
#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); }