unfolding doesnt work correctly

.gitignore

@@ -1,3 +1,4 @@
 icscli
 .gitconfig
 *.o
+tags

src/main.c

@@ -19,6 +19,7 @@ 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) {
@@ -39,7 +40,8 @@ int main(int argc, char **argv) {
 		if (strncmp(my_event, "BEGIN:VEVENT", 12) == 0) {
 			memset(my_event, '\0', sizeof(my_event));
 			read_until_string(myfd, my_event, "END:VEVENT");
-			parse_event(my_event, &head);
+			unfolding_string(my_event, unfolded_event);
+			parse_event(unfolded_event, &head);
 		}
 		memset(my_event, '\0', sizeof(my_event));
 	}

src/parse_ics.c

@@ -4,14 +4,12 @@
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
+#include <ctype.h>
 
 void parse_event(char event_string[], struct event **head) {
-	char *start_date = strstr(event_string, "\r\nDTSTART;");
-	char *end_date = strstr(event_string, "\r\nDTEND;");
-	char *sequence = strstr(event_string, "\r\nSEQUENCE:");
+	char *start_date = strstr(event_string, "\r\nDTSTART");
+	char *end_date = strstr(event_string, "\r\nDTEND");
 	char *summary = strstr(event_string, "\r\nSUMMARY");
-	char *location = strstr(event_string, "\r\nLOCATION:");
-	char *transp = strstr(event_string, "\r\nTRANSP:");
 
 	char *start_date_str = malloc(256);
 	char *end_date_str = malloc(256);
@@ -23,23 +21,13 @@ void parse_event(char event_string[], struct event **head) {
 
 	assert(start_date != NULL);
 	assert(end_date != NULL);
-	assert(sequence != NULL);
 	assert(summary != NULL);
-	assert(transp != NULL);
 
-	strncpy(start_date_str, start_date, end_date - start_date);
+	strncpy(start_date_str, start_date, strchr(start_date, '\r') - start_date);
 
-	strncpy(end_date_str, end_date, sequence - end_date);
+	strncpy(end_date_str, end_date, strchr(end_date, '\r') -  end_date);
 
-	if (location != NULL) {
-		strncpy(summary_str,\
-		summary + strlen("\r\nSUMMARY:"),\
-		location - summary - strlen("\r\nSUMMARY:"));
-	} else {
-		strncpy(summary_str,\
-		summary + strlen("\r\nSUMMARY:"),\
-		transp - summary - strlen("\r\nSUMMARY:"));
-	}
+	strncpy(summary_str, summary, strchr(summary, '\r') - summary);
 
 	// parse dates
 	remove_whitespace(start_date_str);
@@ -55,3 +43,21 @@ void parse_event(char event_string[], struct event **head) {
 	free(summary_str);
 }
 
+// the unfolded string has a semicolon
+// as a separator between what where previously separate lines
+void unfolding_string(char* folded_string, char* unfolded_string) {
+	int j = 0;
+	for (int i = 0; i < strlen(folded_string); i++) {
+		if (folded_string[i] == '\r' && folded_string[i+1] == '\n') {
+			while (isblank(folded_string[i+2])) {
+				i++;
+				if (! isblank(folded_string[i+2]))
+					folded_string[i+1] = ';';
+			}
+		} else {
+			unfolded_string[j] = folded_string[i];
+			j++;
+		}
+	}
+}
+

src/parse_ics.h

@@ -1,3 +1,4 @@
 #pragma once
 
 void parse_event(char event_string[], struct event **head);
+void unfolding_string(char* folded_string, char* unfolded_string);