From 54f272ddb4511319d37a4498107e68b47ebeec5d Mon Sep 17 00:00:00 2001
From: sbosse <sbosse@uni-bremen.de>
Date: Mon, 14 Oct 2024 23:09:47 +0200
Subject: [PATCH] Mon 14 Oct 23:09:15 CEST 2024

---
 user/test/filedescribetest.c | 42 ++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 user/test/filedescribetest.c

diff --git a/user/test/filedescribetest.c b/user/test/filedescribetest.c
new file mode 100644
index 0000000..e27452d
--- /dev/null
+++ b/user/test/filedescribetest.c
@@ -0,0 +1,42 @@
+#include "library/errno.h"
+#include "library/syscalls.h"
+#include "library/string.h"
+#include "library/user-io.h"
+#include "library/malloc.h"
+
+#define TAG_BUFFER_SIZE 256
+
+int main(int argc, char *argv[])
+{
+	char *tag_value = "A simple tag string";
+
+	printf("Generating/typing all file descriptors.\n");
+	int type = -2;
+	int tag = -3;
+
+	int window_descriptor = syscall_open_window(KNO_STDWIN, 1, 1, 1, 1);
+	if(!window_descriptor) {
+		return 1;
+	}
+
+	syscall_object_set_tag(window_descriptor, tag_value);
+
+	int last_descriptor = syscall_object_max();
+	printf("Highest allocated FD: %d\nLast Descriptor: %d\n", window_descriptor, last_descriptor);
+
+	char *tag_string = malloc(sizeof(char) * TAG_BUFFER_SIZE);
+
+	for(int descriptor = 0; descriptor <= last_descriptor; descriptor++) {
+		type = syscall_object_type(descriptor);
+		tag = syscall_object_get_tag(descriptor, tag_string, TAG_BUFFER_SIZE);
+		printf("FD: %d is of type: %d, with tag: ", descriptor, type);
+		if(tag != 0) {
+			printf("\"%s\"\n", tag_string);
+		}
+		if(tag == 0) {
+			printf("%d\n", tag);
+		}
+	}
+
+	return 0;
+}