/* * search the network database for matches */ #include #include #include #include void usage(void) { fprint(2, "usage: query attr value [returned attribute]\n"); exits("usage"); } void search(Ndb *db, char *attr, char *val, char *rattr) { char *p; Ndbs s; Ndbtuple *t, *nt; if(rattr){ p = ndbgetvalue(db, &s, attr, val, rattr, nil); if(p){ print("%s\n", p); free(p); } return; } t = ndbsearch(db, &s, attr, val); while(t){ for(nt = t; nt; nt = nt->entry) print("%s=%s ", nt->attr, nt->val); print("\n"); ndbfree(t); t = ndbsnext(&s, attr, val); } } void main(int argc, char **argv) { int reps = 1; char *rattr = nil, *dbfile = nil; Ndb *db; ARGBEGIN{ case 'f': dbfile = ARGF(); break; default: usage(); }ARGEND; switch(argc){ case 4: reps = atoi(argv[3]); /* fall through */ case 3: rattr = argv[2]; break; case 2: rattr = 0; break; default: usage(); } db = ndbopen(dbfile); if(db == 0){ fprint(2, "no db files\n"); exits("no db"); } while(reps--) search(db, argv[0], argv[1], rattr); ndbclose(db); exits(0); }