From 1093c8ce4ae0015e4d3d1f654c0e2e5d2ddd28a7 Mon Sep 17 00:00:00 2001
From: Shulhan <ms@kilabit.info>
Date: Fri, 19 Jul 2024 01:51:24 +0700
Subject: cmd/bcrypt: check for error during Fscanln

---
 cmd/bcrypt/main.go | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/cmd/bcrypt/main.go b/cmd/bcrypt/main.go
index b8d9d24e..73d2bd65 100644
--- a/cmd/bcrypt/main.go
+++ b/cmd/bcrypt/main.go
@@ -49,14 +49,16 @@ func doCompare(hash, pass string) {
 }
 
 func doGen(pass string, optCost int) {
+	var err error
+
 	if pass == `-` {
-		fmt.Fscanln(os.Stdin, &pass)
+		_, err = fmt.Fscanln(os.Stdin, &pass)
+		if err != nil {
+			log.Fatalf(`%s: %s`, cmd, err)
+		}
 	}
 
-	var (
-		hash []byte
-		err  error
-	)
+	var hash []byte
 
 	hash, err = bcrypt.GenerateFromPassword([]byte(pass), optCost)
 	if err != nil {
-- 
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