From f661d5d1c099e78ff26f0fb4754d40302bd00e19 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Sat, 15 Sep 2018 11:14:51 -0600
Subject: [PATCH] Fix use of uninitialized memory
---
src/header/stdio/helpers.rs | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/src/header/stdio/helpers.rs b/src/header/stdio/helpers.rs
index 7f5bcad83..b7dc4c06d 100644
--- a/src/header/stdio/helpers.rs
+++ b/src/header/stdio/helpers.rs
@@ -1,4 +1,4 @@
-use core::mem;
+use core::{mem, ptr};
use core::sync::atomic::AtomicBool;
use header::errno;
@@ -67,14 +67,16 @@ pub unsafe fn _fdopen(fd: c_int, mode: *const c_char) -> Option<*mut FILE> {
if f.is_null() {
None
} else {
- (*f).flags = flags;
- (*f).read = None;
- (*f).write = None;
- (*f).fd = fd;
- (*f).buf = vec![0u8; BUFSIZ + UNGET];
- (*f).buf_char = -1;
- (*f).unget = UNGET;
- (*f).lock = AtomicBool::new(false);
+ ptr::write(f, FILE {
+ flags: flags,
+ read: None,
+ write: None,
+ fd: fd,
+ buf: vec![0u8; BUFSIZ + UNGET],
+ buf_char: -1,
+ unget: UNGET,
+ lock: AtomicBool::new(false)
+ });
Some(f)
}
}
--
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