From ece6efc75eb619571952f0ae6d8040844fc9047f Mon Sep 17 00:00:00 2001
From: Radek Micek <radek.micek@gmail.com>
Date: Wed, 1 Jan 2025 12:07:15 +0100
Subject: [PATCH] Fix fputc

---
 lib/std/io/os/file_libc.c3 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/io/os/file_libc.c3 b/lib/std/io/os/file_libc.c3
index 30b878452..4eabe2133 100644
--- a/lib/std/io/os/file_libc.c3
+++ b/lib/std/io/os/file_libc.c3
@@ -77,7 +77,7 @@ fn usz! native_fwrite(CFile file, char[] buffer) @inline
 
 fn void! native_fputc(CInt c, CFile stream) @inline
 {
-	if (!libc::fputc(c, stream)) return IoError.EOF?;
+	if (libc::fputc(c, stream) == libc::EOF) return IoError.EOF?;
 }
 
 fn usz! native_fread(CFile file, char[] buffer) @inline