+ fprintf(stderr, "Error: Unknown sub-command for `dispense user`\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense donate`
+// - Donate money to the club
+//
+int subcommand_donate(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 2 ) {
+ fprintf(stderr, "Error: `dispense donate` requires two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // Do donation
+ ret = Dispense_Donate(sock, atoi(args[0]), args[1]);
+
+ close(sock);
+
+ return ret;
+}
+
+//
+// `dispense refund`
+// - Refund a purchased item
+//
+// "Well excuuuuse me, princess"
+//
+int subcommand_refund(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 2 && argc != 3 ) {
+ fprintf(stderr, "Error: `dispense refund` takes 2 or 3 arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if(sock < 0) return RV_SOCKET_ERROR;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ int price = 0;
+ if( argc > 2 ) {
+ price = atoi(args[2]);
+ if( price <= 0 ) {
+ fprintf(stderr, "Error: Override price is invalid (should be > 0)\n");
+ return RV_ARGUMENTS;
+ }
+ }
+
+ // Username, Item, cost
+ ret = Dispense_Refund(sock, args[0], args[1], price);
+
+ // TODO: More
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense iteminfo`
+// - Get the state of an item
+//
+int subcommand_iteminfo(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 1 ) {
+ fprintf(stderr, "Error: `dispense iteminfo` takes one argument\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ char *item_id = args[0];
+
+ regmatch_t matches[3];
+ // Parse item ID
+ if( RunRegex(&gUserItemIdentRegex, item_id, 3, matches, NULL) != 0 ) {
+ fprintf(stderr, "Error: Invalid item ID passed (<type>:<id> expected)\n");
+ return RV_ARGUMENTS;
+ }
+ char *type = item_id + matches[1].rm_so;
+ item_id[ matches[1].rm_eo ] = '\0';
+ int id = atoi( item_id + matches[2].rm_so );
+
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Dispense_ItemInfo(sock, type, id);
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense slot`
+// - Update the name/price of an item
+//
+int subcommand_slot(int argc, char *args[])
+{
+ int ret;
+
+ // Check arguments
+ if( argc != 3 ) {
+ fprintf(stderr, "Error: `dispense slot` takes three arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ char *slot_id = args[0];
+ char *price_str = args[1];
+ char *newname = args[2];
+
+ // Parse arguments
+ regmatch_t matches[3];
+ if( RunRegex(&gUserItemIdentRegex, slot_id, 3, matches, NULL) != 0 ) {
+ fprintf(stderr, "Error: Invalid item ID passed (<type>:<id> expected)\n");
+ return RV_ARGUMENTS;
+ }
+ const char *item_type = slot_id + matches[1].rm_so;
+ slot_id[ matches[1].rm_eo ] = '\0';
+ int item_id = atoi( slot_id + matches[2].rm_so );
+
+ // - Price
+ char *end;
+ int price = strtol( price_str, &end, 0 );
+ if( price < 0 || *end != '\0' ) {
+ fprintf(stderr, "Error: Invalid price passed (must be >= 0)\n");
+ return RV_ARGUMENTS;
+ }
+
+ // -- Sanity
+ for( char *pos = newname; *pos; pos ++ )
+ {
+ if( !isalnum(*pos) && *pos != ' ' ) {
+ fprintf(stderr, "Error: You should only have letters, numbers and spaces in an item name\n");