From 2cdc815322af6c7c22b9ceb371d9c7b2a4853c0e Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Fri, 29 Jul 2022 19:06:23 +0200
Subject: syscall/write: WRITE_TRUNCATE

---
 src/kernel/syscalls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/kernel/syscalls.c')

diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c
index 0dec4c5..4537ff5 100644
--- a/src/kernel/syscalls.c
+++ b/src/kernel/syscalls.c
@@ -233,7 +233,7 @@ long _syscall_read(handle_t handle_num, void __user *buf, size_t len, long offse
 long _syscall_write(handle_t handle_num, const void __user *buf, size_t len, long offset, int flags) {
 	struct handle *h = process_handle_get(process_current, handle_num);
 	if (!h) SYSCALL_RETURN(-1);
-	if (flags != 0)
+	if (flags & ~(WRITE_TRUNCATE))
 		SYSCALL_RETURN(-ENOSYS);
 	switch (h->type) {
 		case HANDLE_FILE:
-- 
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