default to printing 5 events and added option -a

src/cli_arg_parsing.c

@@ -6,13 +6,14 @@
 #include <string.h>
 
 void usage() {
+	printf ("-a\t\t\tshow all upcoming events (default is 5 events)\n");
 	printf ("-f [FILE PATH]\t\tspecify ics file path\n");
 	printf ("-h\t\t\tprint this help\n");
 	printf ("-i\t\t\tinsert an event\n");
 	exit(0);
 }
 
-void get_cli_args(int argc, char **argv, char **file_name) {
+void get_cli_args(int argc, char **argv, char **file_name, int *show_all_events) {
 	int opt = 0;
 
 	memset(file_name, '\0', strlen(*file_name));
@@ -27,17 +28,20 @@ void get_cli_args(int argc, char **argv, char **file_name) {
 	  exit(1);
 	}
 
-	while ((opt = getopt(argc, argv, "f:hi")) != -1) {
+	while ((opt = getopt(argc, argv, "f:ahi")) != -1) {
     	switch(opt) {
-		  case 'f':
-		  *file_name = optarg;
-		  break;
-		  case 'h':
-		  usage();
-		  break;
-		  case 'i':
-		  insert_event(*file_name);
-		  break;
+			case 'a':
+			*show_all_events = 1;
+			break;
+			case 'f':
+			*file_name = optarg;
+			break;
+			case 'h':
+			usage();
+			break;
+			case 'i':
+			insert_event(*file_name);
+			break;
     	}
 	}
 }

src/cli_arg_parsing.h

@@ -2,4 +2,4 @@
 
 void usage();
 
-void get_cli_args(int argc, char **argv, char **file_name);
+void get_cli_args(int argc, char **argv, char **file_name, int *show_all_events);

src/list_handling.c

@@ -46,12 +46,20 @@ void free_list(struct event *head)
     }
 }
 
-void print_upcoming(struct event *head, char current_start_date[]) {
+void print_upcoming(struct event *head, char current_start_date[], int show_all_events) {
+	int i = 0;
 	while (head != NULL) {
 		if (strcmp(head->start_date, current_start_date) >= 0) {
 			pretty_print_date_time(head->start_date);
 			print_end_date(head->end_date, head->start_date);
 			printf("\n%s\n", head->summary);
+
+			if (!show_all_events) {
+				i++;
+				if (i > 4)
+					break;
+			}
+
 			if (head->next != NULL)
 				printf("\n");
 		}

src/list_handling.h

@@ -10,4 +10,4 @@ struct event {
 void print_list(struct event *head);
 void sorted_insert(struct event **head, char start_date[], char end_date[], char summary[]);
 void free_list(struct event *head);
-void print_upcoming(struct event *head, char current_date[]);
+void print_upcoming(struct event *head, char current_date[], int show_all_events);

src/main.c

@@ -14,7 +14,9 @@
 
 int main(int argc, char **argv) {
 	char *ics_path = "";
-	get_cli_args(argc, argv, &ics_path);
+	int show_all_events = 0;
+
+	get_cli_args(argc, argv, &ics_path, &show_all_events);
 
 	char my_event[8192] = "";
 
@@ -42,7 +44,7 @@ int main(int argc, char **argv) {
 		memset(my_event, '\0', sizeof(my_event));
 	}
 
-	print_upcoming(head, current_date);
+	print_upcoming(head, current_date, show_all_events);
 
 	free_list(head);