From 4ced856b390722e44ad2f54a641637b96776f673 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jeremy@system76.com>
Date: Sun, 2 Dec 2018 12:04:15 -0700
Subject: [PATCH] Fix fseeko not flushing write buffer
---
src/header/stdio/mod.rs | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/header/stdio/mod.rs b/src/header/stdio/mod.rs
index d5af2a350..e97aebdb5 100644
--- a/src/header/stdio/mod.rs
+++ b/src/header/stdio/mod.rs
@@ -484,6 +484,11 @@ pub unsafe extern "C" fn fseeko(stream: *mut FILE, mut off: off_t, whence: c_int
off -= (stream.read_size - stream.read_pos) as off_t;
}
+ // Flush write buffer before seek
+ if stream.flush().is_err() {
+ return -1;
+ }
+
let err = Sys::lseek(*stream.file, off, whence);
if err < 0 {
return err as c_int;
--
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