From 190a57c313dfe1beb5f1c5f7c754ac6d3f66ffe2 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Wed, 21 Sep 2022 16:33:10 -0300
Subject: [PATCH] lseek: return current position on SEEK_CUR offset 0

---
 src/sys/syscalls/lseek.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sys/syscalls/lseek.c b/src/sys/syscalls/lseek.c
index 02f0d655..2c61e8b4 100644
--- a/src/sys/syscalls/lseek.c
+++ b/src/sys/syscalls/lseek.c
@@ -44,6 +44,11 @@ syscallret syscall_lseek(int ifd, off_t offset, int whence){
 			break;
 		case SEEK_CUR:
 			newoffset += offset;
+			if(offset == 0){
+				retv.errno = 0;
+				retv.ret = fd->offset;
+				goto _ret;
+			}
 			if(newoffset < 0 || newoffset > fsize){
 				retv.errno = EINVAL;
 				goto _ret;