--- /dev/null
+/*
+ * door_daemon
+ *
+ * Copyright (C) 2009 Christian Pointner <equinox@spreadspace.org>
+ *
+ * This file is part of door_daemon.
+ *
+ * door_daemon is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * door_daemon is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with door_daemon. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "command_queue.h"
+#include "datatypes.h"
+
+cmd_t* cmd_get_last(cmd_t* first)
+{
+ if(!first)
+ return NULL;
+
+ while(first->next) {
+ first = first->next;
+ }
+
+ return first;
+}
+
+int cmd_push(cmd_t** first, int fd, cmd_id_t cmd, const char* param)
+{
+ if(!first)
+ return -1;
+
+ cmd_t* new_cmd = malloc(sizeof(cmd_t));
+ if(!new_cmd)
+ return -2;
+
+ new_cmd->fd = fd;
+ new_cmd->cmd = cmd;
+ if(param) {
+ new_cmd->param = strdup(param);
+ if(!new_cmd->param) {
+ free(new_cmd);
+ return -2;
+ }
+ }
+ else
+ new_cmd->param = NULL;
+ new_cmd->next = NULL;
+
+ if(!(*first)) {
+ *first = new_cmd;
+ return 0;
+ }
+
+ cmd_get_last(*first)->next = new_cmd;
+
+ return 0;
+}
+
+void cmd_pop(cmd_t** first)
+{
+ if(!first || !(*first))
+ return;
+
+ cmd_t* deletee = *first;
+ *first = (*first)->next;
+ if(deletee->param)
+ free(deletee->param);
+ free(deletee);
+}
+
+void cmd_clear(cmd_t** first)
+{
+ if(!first || !(*first))
+ return;
+
+ while(*first) {
+ cmd_t* deletee = *first;
+ *first = (*first)->next;
+ if(deletee->param)
+ free(deletee->param);
+ free(deletee);
+ }
+}
--- /dev/null
+/*
+ * door_daemon
+ *
+ * Copyright (C) 2009 Christian Pointner <equinox@spreadspace.org>
+ *
+ * This file is part of door_daemon.
+ *
+ * door_daemon is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * door_daemon is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with door_daemon. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _COMMAND_QUEUE_H_
+#define _COMMAND_QUEUE_H_
+
+enum cmd_id_enum { OPEN, CLOSE, TOGGLE, RESET, STATUS, LOG };
+typedef enum cmd_id_enum cmd_id_t;
+
+struct cmd_struct {
+ int fd;
+ cmd_id_t cmd;
+ char* param;
+ struct cmd_struct* next;
+};
+typedef struct cmd_struct cmd_t;
+
+int cmd_push(cmd_t** first, int fd, cmd_id_t cmd, const char* param);
+void cmd_pop(cmd_t** first);
+void cmd_clear(cmd_t** first);
+
+#endif