Added write access check

src/djumbai_dequeue/djumbai_dequeue.c

@@ -37,9 +37,18 @@ int main() {
 		}
 	}
 
-	// Open the FIFO for writing
 	const char *send_fifo_path = "/djumbai/fifos/send_fifo";
+
+	// Check if I have write permissions on the FIFO
+	if (faccessat(AT_FDCWD, send_fifo_path, W_OK, AT_EACCESS) != -1) {
+		printf("You have write access to the FIFO.\n");
+	} else {
+		perror("Error");
+		exit(EXIT_FAILURE);
+	}
+
 	int send_fifo_fd;
+	// Open the FIFO for writing
 	send_fifo_fd = open(send_fifo_path, O_WRONLY);
 	if (send_fifo_fd == -1) {
 		if (errno == ENOENT) {

src/djumbai_enqueue/djumbai_enqueue.c

@@ -1,4 +1,5 @@
 #include "djumbai_enqueue.h"
+#include <stdlib.h>
 
 int main() {
 
@@ -6,6 +7,14 @@ int main() {
 	const char *message_queue_path =
 		"/djumbai/fifos/message_queue";
 
+    //Check if I have write permissions on the FIFO
+    if (faccessat(AT_FDCWD, message_queue_path,W_OK,AT_EACCESS) != -1) {
+        printf("You have write access to the FIFO.\n");
+    } else {
+        perror("Error");
+        exit(EXIT_FAILURE);
+    }
+
 	// Open the FIFO for writing
 	int queue_fd;
 	queue_fd = open(message_queue_path, O_WRONLY);