removed unneeded includes in main.c

.gitignore

@@ -1,4 +1,5 @@
 icscli
 .gitconfig
 *.o
+*.out
 tags

src/Makefile

@@ -12,7 +12,7 @@ EXECUTABLE = "icscli"
 
 # linking
 $(EXECUTABLE): $(OBJ_FILES)
-	gcc $(CFLAGS) $(OBJ_FILES) -o $(EXECUTABLE) $(LDFLAGS)
+	$(CC) $(CFLAGS) $(OBJ_FILES) -o $(EXECUTABLE) $(LDFLAGS)
 
 main.o: main.c
 	$(CC) $(CFLAGS) -c $<

src/main.c

@@ -2,16 +2,7 @@
 #include "parse_ics.h"
 #include "cli_arg_parsing.h"
 #include "date_time_handling.h"
-#include "string_handling.h"
-#include "read_until_nl.h"
-#include "read_until_string.h"
-#include "seek_string_a.h"
 #include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <string.h>
-#include <limits.h>
-#include <unistd.h>
 
 int main(int argc, char **argv) {
 	char *ics_path = "";
@@ -19,35 +10,16 @@ int main(int argc, char **argv) {
 
 	get_cli_args(argc, argv, &ics_path, &show_all_events);
 
-	char my_event[8192] = "";
-	char unfolded_event[8192] = "";
-
-	int myfd = open(ics_path, O_RDONLY);
-	if (myfd == -1) {
-		perror ("Error opening file");
-		return 1;
-	}
-
-	// initialize linked list
-	struct event *head = NULL;
-
 	static char current_date[] = "xxxxxxxxTxxxxxx";
 	get_date(current_date);
 	printf ("Current date and time: ");
 	pretty_print_date_time(current_date);
 	printf ("\n\n");
 
-	while(read_until_nl(myfd, my_event)) {
-		if (strncmp(my_event, "BEGIN:VEVENT", 12) == 0) {
-			// include the BEGIN:EVENT to not loose the new line of first field
-			lseek(myfd, -1, SEEK_CUR);
-			memset(my_event, '\0', sizeof(my_event));
-			read_until_string(myfd, my_event, "END:VEVENT");
-			unfolding_string(my_event, unfolded_event);
-			parse_event(unfolded_event, &head);
-		}
-		memset(my_event, '\0', sizeof(my_event));
-	}
+	// initialize linked list
+	struct event *head = NULL;
+
+	parse_ics_file(ics_path, &head);
 
 	print_upcoming(head, current_date, show_all_events);
 

src/parse_ics.c

@@ -1,11 +1,15 @@
 #include "list_handling.h"
 #include "parse_ics.h"
+#include "read_until_nl.h"
+#include "read_until_string.h"
 #include "string_handling.h"
-#include <stdlib.h>
-#include <string.h>
 #include <assert.h>
 #include <ctype.h>
+#include <fcntl.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 
 void parse_event(char event_string[], struct event **head) {
 	char *start_date = strstr(event_string, "\nDTSTART");
@@ -67,3 +71,32 @@ void unfolding_string(char *folded_string, char *unfolded_string) {
 		}
 	}
 }
+
+/* this function takes the head of an empty initialized event list
+ * and the path to the ics file
+ * it will "fill" the list
+*/
+void parse_ics_file(char *file_path, struct event **head) {
+	char my_event[8192] = "";
+	char unfolded_event[8192] = "";
+
+	int myfd = open(file_path, O_RDONLY);
+	if (myfd == -1) {
+		perror ("Error opening file");
+		exit(1);
+	}
+
+	while(read_until_nl(myfd, my_event)) {
+		if (strncmp(my_event, "BEGIN:VEVENT", 12) == 0) {
+			// include the BEGIN:EVENT to not loose the new line of first field
+			lseek(myfd, -1, SEEK_CUR);
+			memset(my_event, '\0', sizeof(my_event));
+			read_until_string(myfd, my_event, "END:VEVENT");
+			unfolding_string(my_event, unfolded_event);
+			parse_event(unfolded_event, head);
+		}
+		memset(my_event, '\0', sizeof(my_event));
+	}
+
+	close(myfd);
+}

src/parse_ics.h

@@ -2,3 +2,4 @@
 
 void parse_event(char event_string[], struct event **head);
 void unfolding_string(char* folded_string, char* unfolded_string);
+void parse_ics_file(char *file_path, struct event **head);

unit-tests/Makefile

@@ -0,0 +1,10 @@
+CC = gcc
+CFLAGS = -Wall -g -O0
+
+test_parse_ics:
+	$(CC) $(CFLAGS) test_parse_ics.c ../src/parse_ics.c ../src/string_handling.c ../src/list_handling.c ../src/date_time_handling.c ../src/read_until_string.c ../src/read_until_nl.c -o test_parse_ics.out
+	./test_parse_ics.out
+
+.PHONY:clean
+clean:
+	-rm -vf *.out

unit-tests/test_parse_ics.c

@@ -0,0 +1,12 @@
+#include "../src/list_handling.h"
+#include "../src/parse_ics.h"
+#include <stdio.h>
+
+int main() {
+	// initialize empty list
+	struct event *head = NULL;
+
+	parse_ics_file("../tests/calendar.ics", &head);
+
+	print_list(head);
+}