Update (*valueReader).readCString() to support bVR + streaming

prestonvasquez · prestonvasquez · commit 2e8be2a90b8a · 2025-07-11T12:57:47.000-06:00
diff --git a/bson/value_reader.go b/bson/value_reader.go
@@ -895,13 +895,11 @@ func (vr *valueReader) readByte() (byte, error) {
 }
 
 func (vr *valueReader) readCString() (string, error) {
-	str, err := vr.r.ReadString(0x00)
+	data, err := vr.src.readSlice(0x00)
 	if err != nil {
 		return "", err
 	}
-	l := len(str)
-	vr.offset += int64(l)
-	return str[:l-1], nil
+	return string(data[:len(data)-1]), nil
 }
 
 func (vr *valueReader) readString() (string, error) {

Original file line number	Diff line number	Diff line change
`@@ -895,13 +895,11 @@ func (vr *valueReader) readByte() (byte, error) {`
`895`	`895`	`}`
`896`	`896`
`897`	`897`	`func (vr *valueReader) readCString() (string, error) {`
`898`		`- str, err := vr.r.ReadString(0x00)`
	`898`	`+ data, err := vr.src.readSlice(0x00)`
`899`	`899`	`if err != nil {`
`900`	`900`	`return "", err`
`901`	`901`	`}`
`902`		`- l := len(str)`
`903`		`- vr.offset += int64(l)`
`904`		`- return str[:l-1], nil`
	`902`	`+ return string(data[:len(data)-1]), nil`
`905`	`903`	`}`
`906`	`904`
`907`	`905`	`func (vr *valueReader) readString() (string, error) {`