From e0f5361d97a77806afde6a0887d0cb2c09ab8508 Mon Sep 17 00:00:00 2001
From: Dmytro Maluka <dmitrymaluka@gmail.com>
Date: Sat, 17 Aug 2024 16:44:53 +0200
Subject: [PATCH] calcHash: remove unneeded h.Write() error checks

According to the Go hash package documentation [1]:

type Hash interface {
	// Write (via the embedded io.Writer interface) adds more data to the running hash.
	// It never returns an error.
	io.Writer

[1] https://pkg.go.dev/hash#Hash
---
 internal/buffer/buffer.go | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/internal/buffer/buffer.go b/internal/buffer/buffer.go
index 661ea8b5..a7aca541 100644
--- a/internal/buffer/buffer.go
+++ b/internal/buffer/buffer.go
@@ -654,22 +654,13 @@ func calcHash(b *Buffer, out *[md5.Size]byte) error {
 
 	size := 0
 	if len(b.lines) > 0 {
-		n, e := h.Write(b.lines[0].data)
-		if e != nil {
-			return e
-		}
+		n, _ := h.Write(b.lines[0].data)
 		size += n
 
 		for _, l := range b.lines[1:] {
-			n, e = h.Write([]byte{'\n'})
-			if e != nil {
-				return e
-			}
+			n, _ = h.Write([]byte{'\n'})
 			size += n
-			n, e = h.Write(l.data)
-			if e != nil {
-				return e
-			}
+			n, _ = h.Write(l.data)
 			size += n
 		}
 	}