From 99e15199ef24d4f262683b47a529f1b239c4dcd9 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Fri, 5 Aug 2022 15:54:32 +0200
Subject: add _syscall_getsize

---
 src/user/app/init/driver/tmpfs.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/user/app/init/driver')

diff --git a/src/user/app/init/driver/tmpfs.c b/src/user/app/init/driver/tmpfs.c
index 96fdf39..7414320 100644
--- a/src/user/app/init/driver/tmpfs.c
+++ b/src/user/app/init/driver/tmpfs.c
@@ -15,7 +15,9 @@ struct node {
 };
 
 struct node *root = NULL;
-static struct node special_root;
+static struct node special_root = {
+	.size = 0,
+};
 
 static struct node *lookup(const char *path, size_t len) {
 	for (struct node *iter = root; iter; iter = iter->next) {
@@ -109,6 +111,11 @@ void tmpfs_drv(void) {
 				_syscall_fs_respond(NULL, res.len, 0);
 				break;
 
+			case VFSOP_GETSIZE:
+				ptr = (void*)res.id;
+				_syscall_fs_respond(NULL, ptr->size, 0);
+				break;
+
 			default:
 				_syscall_fs_respond(NULL, -1, 0);
 				break;
-- 
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