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+/*
+ * Calcurse - text-based organizer
+ *
+ * Copyright (c) 2004-2011 calcurse Development Team <misc@calcurse.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Send your feedback or comments to : misc@calcurse.org
+ * Calcurse home page : http://calcurse.org
+ *
+ */
+
+#include <unistd.h>
+
+#include "calcurse.h"
+
+/* Edit a note with an external editor. */
+void
+edit_note (char **note, char *editor)
+{
+ char fullname[BUFSIZ];
+ char *filename;
+
+ if (*note == NULL)
+ {
+ if ((filename = new_tempfile (path_notes, NOTESIZ)) != NULL)
+ *note = filename;
+ else
+ return;
+ }
+ (void)snprintf (fullname, BUFSIZ, "%s%s", path_notes, *note);
+ wins_launch_external (fullname, editor);
+
+ if (io_file_is_empty (fullname) > 0)
+ erase_note (note, ERASE_FORCE);
+}
+
+/* View a note in an external pager. */
+void
+view_note (char *note, char *pager)
+{
+ char fullname[BUFSIZ];
+
+ if (note == NULL)
+ return;
+ (void)snprintf (fullname, BUFSIZ, "%s%s", path_notes, note);
+ wins_launch_external (fullname, pager);
+}
+
+/* Erase a note previously attached to an item. */
+void
+erase_note (char **note, enum eraseflg flag)
+{
+ char fullname[BUFSIZ];
+
+ if (*note == NULL)
+ return;
+ if (flag != ERASE_FORCE_KEEP_NOTE)
+ {
+ (void)snprintf (fullname, BUFSIZ, "%s%s", path_notes, *note);
+ if (unlink (fullname) != 0)
+ EXIT (_("could not remove note"));
+ }
+ mem_free (*note);
+ *note = NULL;
+}