add handler for error returned by hasher.Write function

walldiss · walldiss · commit 159cb262dc33 · 2022-10-20T13:17:11.000+03:00
diff --git a/sum.go b/sum.go
@@ -24,7 +24,9 @@ func Sum(data []byte, code uint64, length int) (Multihash, error) {
 	}
 
 	// Feed data in.
-	hasher.Write(data)
+	if _, err = hasher.Write(data); err != nil {
+		return nil, err
+	}
 
 	return encodeHash(hasher, code, length)
 }

Original file line number	Diff line number	Diff line change
`@@ -24,7 +24,9 @@ func Sum(data []byte, code uint64, length int) (Multihash, error) {`
`24`	`24`	`}`
`25`	`25`
`26`	`26`	`// Feed data in.`
`27`		`- hasher.Write(data)`
	`27`	`+ if _, err = hasher.Write(data); err != nil {`
	`28`	`+ return nil, err`
	`29`	`+ }`
`28`	`30`
`29`	`31`	`return encodeHash(hasher, code, length)`
`30`	`32`	`}`