From 198935eb30dfcb367ae448c9b5a02244881d8ce7 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Tue, 8 Aug 2023 10:39:15 +0200
Subject: [PATCH] libc: Reset the read buffer even when read() returns an error

This fixes the same data being read multiple times if an error was returned
---
 libc/src/stdio.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libc/src/stdio.cpp b/libc/src/stdio.cpp
index d21960ac..3a9365e8 100644
--- a/libc/src/stdio.cpp
+++ b/libc/src/stdio.cpp
@@ -135,6 +135,8 @@ static ssize_t read_data_into_buffer(FILE* stream)
     stream->_buf.index = 0;
     ssize_t nread = read(stream->_fd, stream->_buf.buffer, stream->_buf.capacity);
     if (nread >= 0) stream->_buf.size = nread;
+    else
+        stream->_buf.size = 0;
     stream->_buf.status |= FileStatusFlags::LastRead;
     return nread;
 }