From 2bf1015ae15cf65f5308e6c2159f120093916657 Mon Sep 17 00:00:00 2001
From: div72 <60045611+div72@users.noreply.github.com>
Date: Wed, 18 Aug 2021 17:08:41 +0300
Subject: [PATCH] os: add File.read_into_ptr (#11219)

---
 vlib/os/file.c.v | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/vlib/os/file.c.v b/vlib/os/file.c.v
index 7383f5a781..3de227913f 100644
--- a/vlib/os/file.c.v
+++ b/vlib/os/file.c.v
@@ -463,6 +463,12 @@ pub fn (f &File) read_from(pos u64, mut buf []byte) ?int {
 	return error('Could not read file')
 }
 
+// read_into_ptr reads at most max_size bytes from the file and writes it into ptr.
+// Returns the amount of bytes read or an error.
+pub fn (f &File) read_into_ptr(ptr &byte, max_size int) ?int {
+	return fread(ptr, 1, max_size, f.cfile)
+}
+
 // **************************** Utility  ops ***********************
 // flush writes any buffered unwritten data left in the file stream.
 pub fn (mut f File) flush() {