Refactor grep mode

Split io_save_{apts,todo}() into functions that write raw data to a file
and functions that write formatted items to stdout such that one can
easily extend the grep mode for format string support in a follow-up
commit.

Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>

src/args.c

@@ -727,8 +727,13 @@ int parse_args(int argc, char **argv)
 		vars_init();
 		config_load();	/* To get output date format. */
 		io_load_data(&filter);
-		io_save_todo(grep_filter ? path_todo : NULL);
+		if (grep_filter) {
-		io_save_apts(grep_filter ? path_apts : NULL);
+			io_save_todo(path_todo);
+			io_save_apts(path_apts);
+		} else {
+			io_dump_todo("%(raw)");
+			io_dump_apts("%(raw)", "%(raw)", "%(raw)", "%(raw)");
+		}
 	} else if (query) {
 		io_check_file(path_apts);
 		io_check_file(path_todo);

src/calcurse.h

@@ -819,7 +819,9 @@ void io_init(const char *, const char *);
 void io_extract_data(char *, const char *, int);
 void io_save_mutex_lock(void);
 void io_save_mutex_unlock(void);
+void io_dump_apts(const char *, const char *, const char *, const char *);
 unsigned io_save_apts(const char *);
+void io_dump_todo(const char *);
 unsigned io_save_todo(const char *);
 unsigned io_save_keys(void);
 void io_save_cal(enum save_display);

src/io.c

@@ -295,6 +295,37 @@ void io_save_mutex_unlock(void)
 	pthread_mutex_unlock(&io_save_mutex);
 }
 
+/* Print all appointments and events to stdout. */
+void io_dump_apts(const char *fmt_apt, const char *fmt_rapt,
+		  const char *fmt_ev, const char *fmt_rev)
+{
+	llist_item_t *i;
+
+	LLIST_FOREACH(&recur_elist, i) {
+		struct recur_event *rev = LLIST_GET_DATA(i);
+		time_t day = update_time_in_date(rev->day, 0, 0);
+		print_recur_event(fmt_rev, day, rev);
+	}
+
+	LLIST_TS_FOREACH(&recur_alist_p, i) {
+		struct recur_apoint *rapt = LLIST_GET_DATA(i);
+		time_t day = update_time_in_date(rapt->start, 0, 0);
+		print_recur_apoint(fmt_rapt, day, rapt->start, rapt);
+	}
+
+	LLIST_TS_FOREACH(&alist_p, i) {
+		struct apoint *apt = LLIST_TS_GET_DATA(i);
+		time_t day = update_time_in_date(apt->start, 0, 0);
+		print_apoint(fmt_apt, day, apt);
+	}
+
+	LLIST_FOREACH(&eventlist, i) {
+		struct event *ev = LLIST_TS_GET_DATA(i);
+		time_t day = update_time_in_date(ev->day, 0, 0);
+		print_event(fmt_ev, day, ev);
+	}
+}
+
 /*
  * Save the apts data file, which contains the
  * appointments first, and then the events.
@@ -337,6 +368,17 @@ unsigned io_save_apts(const char *aptsfile)
 	return 1;
 }
 
+/* Print all todo items to stdout. */
+void io_dump_todo(const char *fmt_todo)
+{
+	llist_item_t *i;
+
+	LLIST_FOREACH(&todolist, i) {
+		struct todo *todo = LLIST_TS_GET_DATA(i);
+		print_todo(fmt_todo, todo);
+	}
+}
+
 /* Save the todo data file. */
 unsigned io_save_todo(const char *todofile)
 {

src/utils.c

@@ -485,6 +485,7 @@ long update_time_in_date(long date, unsigned hr, unsigned mn)
 	localtime_r(&t, &lt);
 	lt.tm_hour = hr;
 	lt.tm_min = mn;
+	lt.tm_sec = 0;
 	new_date = mktime(&lt);
 	EXIT_IF(new_date == -1, _("error in mktime"));