+
+/* {store,fetch}var re-opens the database every time, just in case two
+ * doldacond processes would be running simultaneously. */
+void storevar(char *key, void *val, size_t len)
+{
+ char *dbname;
+ GDBM_FILE db;
+ datum k, v;
+
+ dbname = findfile("dc-vardb", NULL, 1);
+ if((db = gdbm_open(dbname, 0, GDBM_WRCREAT, 0666, NULL)) == NULL)
+ {
+ flog(LOG_CRIT, "could not open var database for writing, cannot continue: %s", gdbm_strerror(gdbm_errno));
+ abort();
+ }
+ free(dbname);
+ k.dptr = key;
+ k.dsize = strlen(key);
+ v.dptr = val;
+ v.dsize = len;
+ gdbm_store(db, k, v, GDBM_REPLACE);
+ gdbm_close(db);
+}
+
+void *fetchvar(char *key, size_t *lenb)
+{
+ char *dbname;
+ GDBM_FILE db;
+ datum k, v;
+
+ if((dbname = findfile("dc-vardb", NULL, 0)) == NULL)
+ return(NULL);
+ if((db = gdbm_open(dbname, 0, GDBM_READER, 0666, NULL)) == NULL)
+ return(NULL);
+ free(dbname);
+ k.dptr = key;
+ k.dsize = strlen(key);
+ v = gdbm_fetch(db, k);
+ gdbm_close(db);
+ if(v.dptr == NULL)
+ return(NULL);
+ if(lenb != NULL)
+ *lenb = v.dsize;
+ return(v.dptr);
+}