From e5d3c3f3d0dfcc399ef1f7623ddeab619db4b4ea Mon Sep 17 00:00:00 2001
From: Thomas Voss <thomas.voss@humanwave.nl>
Date: Fri, 27 Feb 2026 11:40:53 +0100
Subject: Bad the input buffer with nul bytes

---
 oryxc/src/compiler.rs | 8 +++++++-
 oryxc/src/lexer.rs    | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

(limited to 'oryxc')

diff --git a/oryxc/src/compiler.rs b/oryxc/src/compiler.rs
index 14919ba..bdb4475 100644
--- a/oryxc/src/compiler.rs
+++ b/oryxc/src/compiler.rs
@@ -44,7 +44,13 @@ pub struct FileData {
 
 impl FileData {
 	fn new(name: OsString) -> Result<Self, io::Error> {
-		let buffer = fs::read_to_string(&name)?;
+		const PAD: [u8; 64] = [0; 64]; /* 512 bits */
+
+		// Append extra data to the end so that we can safely read past
+		// instead of branching on length
+		let mut buffer = fs::read_to_string(&name)?;
+		buffer.push_str(unsafe { str::from_utf8_unchecked(&PAD) });
+
 		return Ok(Self {
 			name:   name.into(),
 			buffer: buffer.into(),
diff --git a/oryxc/src/lexer.rs b/oryxc/src/lexer.rs
index 6457cfd..f5f4c85 100644
--- a/oryxc/src/lexer.rs
+++ b/oryxc/src/lexer.rs
@@ -142,7 +142,7 @@ impl<'a> LexerContext<'a> {
 		let c = self.chars.next()?;
 		self.pos_b = self.pos_a;
 		self.pos_a += c.len_utf8();
-		return Some(c);
+		return if c == '\0' { None } else { Some(c) };
 	}
 
 	#[inline(always)]
-- 
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