From d3ef800bb39a2b2b5a5b700dac5f2b444cfaf5e5 Mon Sep 17 00:00:00 2001
From: Vimal <vimal@edgeguard.io>
Date: Tue, 5 Apr 2022 15:57:04 -0700
Subject: [PATCH] Truncated value is OK

---
 src/unix/funcs.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/unix/funcs.rs b/src/unix/funcs.rs
index 034e606..42fd098 100644
--- a/src/unix/funcs.rs
+++ b/src/unix/funcs.rs
@@ -274,12 +274,9 @@ pub fn value_oid(oid: &mut Vec<i32>) -> Result<CtlValue, SysctlError> {
 
     // Confirm that we did not read out of bounds
     assert!(new_val_len <= val_len);
-    // Confirm that we got the bytes we requested
+    // https://github.com/golang/sys/blob/43e60d72a8e2bd92ee98319ba9a384a0e9837c08/unix/syscall_bsd.go#L545-L548
     if new_val_len < val_len {
-        return Err(SysctlError::ShortRead {
-            read: new_val_len,
-            reported: val_len,
-        });
+        val.truncate(new_val_len);
     }
 
     // Wrap in Enum and return