From 3ed3ba31adb9c84bcca000a5f31c5278211bd3ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustav=20S=C3=B6rn=C3=A4s?= <gustav@sornas.net>
Date: Fri, 19 Feb 2021 12:14:50 +0100
Subject: fix warning

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

(limited to 'src')

diff --git a/src/userprog/syscall.c b/src/userprog/syscall.c
index 921ed44..4ff0340 100644
--- a/src/userprog/syscall.c
+++ b/src/userprog/syscall.c
@@ -90,7 +90,7 @@ read (int fd_i, void *buf, unsigned size)
 
   if (fd_i == 0) {
     // stdin
-    int i;
+    unsigned i;
     for (i = 0; i < size; i++) {
       ((char *)buf)[i] = input_getc ();
     }
-- 
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