From 284def91d373ceb22a2088b4aec423f6492c30e1 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Fri, 23 Sep 2022 00:25:48 -0300
Subject: [PATCH] syscalls: dup and dup2

---
 src/sys/syscalls/dup.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 src/sys/syscalls/dup.c

diff --git a/src/sys/syscalls/dup.c b/src/sys/syscalls/dup.c
new file mode 100644
index 00000000..ae9baceb
--- /dev/null
+++ b/src/sys/syscalls/dup.c
@@ -0,0 +1,15 @@
+#include <kernel/syscalls.h>
+#include <kernel/fd.h>
+#include <arch/cls.h>
+
+syscallret syscall_dup(int oldfd){
+	syscallret retv;
+	retv.errno = fd_duplicate(&arch_getcls()->thread->proc->fdtable, oldfd, ~0, 1, &retv.ret);
+	return retv;
+}
+
+syscallret syscall_dup2(int oldfd, int newfd){
+	syscallret retv;
+	retv.errno = fd_duplicate(&arch_getcls()->thread->proc->fdtable, oldfd, newfd, 2, &retv.ret);
+	return retv;
+}