util: Add helper function to trim trailing nulls

sublipri · Serial-ATA · commit 0cd16bda35ad · 2023-10-23T19:56:33.000-04:00
diff --git a/src/util/text.rs b/src/util/text.rs
@@ -212,6 +212,13 @@ pub(crate) fn encode_text(text: &str, text_encoding: TextEncoding, terminated: b
 	}
 }
 
+pub(crate) fn trim_end_nulls(text: &mut String) {
+	if text.ends_with('\0') {
+		let new_len = text.trim_end_matches('\0').len();
+		text.truncate(new_len);
+	}
+}
+
 fn utf16_encode(
 	text: &str,
 	endianness: fn(u16) -> [u8; 2],

Original file line number	Diff line number	Diff line change
`@@ -212,6 +212,13 @@ pub(crate) fn encode_text(text: &str, text_encoding: TextEncoding, terminated: b`
`212`	`212`	`}`
`213`	`213`	`}`
`214`	`214`
	`215`	`+pub(crate) fn trim_end_nulls(text: &mut String) {`
	`216`	`+ if text.ends_with('\0') {`
	`217`	`+ let new_len = text.trim_end_matches('\0').len();`
	`218`	`+ text.truncate(new_len);`
	`219`	`+ }`
	`220`	`+}`
	`221`	`+`
`215`	`222`	`fn utf16_encode(`
`216`	`223`	`text: &str,`
`217`	`224`	`endianness: fn(u16) -> [u8; 2],`