+/*
+ * This file is part of DisOrder.
+ * Copyright (C) 2007 Richard Kettlewell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+/** @file lib/queue-rights.c
+ * @brief Various rights-checking operations
+ */
+
+#include <config.h>
+#include "types.h"
+
+#include <string.h>
+
+#include "queue.h"
+#include "rights.h"
+
+/** @brief Test for scratchability
+ * @param rights User rights
+ * @param who Username
+ * @param q Queue entry or NULL
+ * @return non-0 if scratchable, else 0
+ */
+int right_scratchable(rights_type rights, const char *who,
+ const struct queue_entry *q) {
+ rights_type r;
+
+ if(!q)
+ return 0;
+ if(q->submitter)
+ if(!strcmp(q->submitter, who))
+ r = RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_ANY;
+ else
+ r = RIGHT_SCRATCH_ANY;
+ else
+ r = RIGHT_SCRATCH_RANDOM|RIGHT_SCRATCH_ANY;
+ return !!(rights & r);
+}
+
+/** @brief Test for movability
+ * @param rights User rights
+ * @param who Username
+ * @param q Queue entry or NULL
+ * @return non-0 if movable, else 0
+ */
+int right_movable(rights_type rights, const char *who,
+ const struct queue_entry *q) {
+ rights_type r;
+
+ if(!q)
+ return 0;
+ if(q->submitter)
+ if(!strcmp(q->submitter, who))
+ r = RIGHT_MOVE_MINE|RIGHT_MOVE_ANY;
+ else
+ r = RIGHT_MOVE_ANY;
+ else
+ r = RIGHT_MOVE_RANDOM|RIGHT_MOVE_ANY;
+ return !!(rights & r);
+}
+
+/** @brief Test for removability
+ * @param rights User rights
+ * @param who Username
+ * @param q Queue entry or NULL
+ * @return non-0 if removable, else 0
+ */
+int right_removable(rights_type rights, const char *who,
+ const struct queue_entry *q) {
+ rights_type r;
+
+ if(!q)
+ return 0;
+ if(q->submitter)
+ if(!strcmp(q->submitter, who))
+ r = RIGHT_REMOVE_MINE|RIGHT_REMOVE_ANY;
+ else
+ r = RIGHT_REMOVE_ANY;
+ else
+ r = RIGHT_REMOVE_RANDOM|RIGHT_REMOVE_ANY;
+ return !!(rights & r);
+}
+
+/*
+Local Variables:
+c-basic-offset:2
+comment-column:40
+fill-column:79
+indent-tabs-mode:nil
+End:
+*/