From 66454922e1857bf92fe2603b4d881d7f16fec5fe Mon Sep 17 00:00:00 2001
From: bjoernf <bjoern.foersterling@web.de>
Date: Sun, 10 Sep 2023 11:36:46 +0200
Subject: [PATCH] fixed printing of excluded DTEND day for all day events

---
 README.md                |  2 +-
 src/date_time_handling.c | 16 +++++++++++++++-
 src/date_time_handling.h |  1 +
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 9319563..41cc6b4 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,6 @@ sudo make uninstall
 
 #### TODO
 
+- fix bug when LOCATION field is present
 - cap the number of upcoming events being printed (and introduce --all option)
-- don't show the DTEND day of an all day event, but DTEND - 1
 - tests
diff --git a/src/date_time_handling.c b/src/date_time_handling.c
index f917d9f..bb35d3d 100644
--- a/src/date_time_handling.c
+++ b/src/date_time_handling.c
@@ -70,7 +70,10 @@ void print_end_date(char end_date[], char start_date[]) {
 			return;
 		} else {
 			printf (" - ");
-			pretty_print_date_time(end_date);
+			end_uts -= 86400;
+			char *end_date_minus_one = transform_unix_ts_to_date(end_uts);
+			pretty_print_date_time(end_date_minus_one);
+			free(end_date_minus_one);
 			return;
 		}
 	} else {
@@ -110,6 +113,17 @@ time_t transform_date_to_unix_ts(char date_str[]) {
 	return unix_stamp;
 }
 
+// unix timestamp -> YYYYmmdd
+// make sure to free the returned buffer
+char *transform_unix_ts_to_date(time_t unix_ts) {
+	char *date_buffer = malloc(9);
+	struct tm *my_tm;
+	my_tm = localtime(&unix_ts);
+	strftime(date_buffer, 9, "%Y%m%d", my_tm);
+
+	return date_buffer;
+}
+
 char *get_tz() {
 	char *timezone_path = malloc(256);
 	ssize_t bytes_read = readlink("/etc/localtime", timezone_path, 255);
diff --git a/src/date_time_handling.h b/src/date_time_handling.h
index 2f713d9..509ccaf 100644
--- a/src/date_time_handling.h
+++ b/src/date_time_handling.h
@@ -7,3 +7,4 @@ void pretty_print_date_time(char date_time[]);
 void marshall_date_time(char date_time[]);
 void print_end_date(char end_date[], char start_date[]);
 time_t transform_date_to_unix_ts(char date_str[]);
+char *transform_unix_ts_to_date(time_t unix_ts);