From 3ec3849739a8a52bf18223d9833f6e6b50c6d667 Mon Sep 17 00:00:00 2001
From: Christopher Armstrong <christopherada.a@gmail.com>
Date: Fri, 17 Oct 2025 09:29:56 -0400
Subject: [PATCH] uucore: add parse_size_non_zero_u64 which fails parsing 0

---
 src/uucore/src/lib/features/parser/parse_size.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/uucore/src/lib/features/parser/parse_size.rs b/src/uucore/src/lib/features/parser/parse_size.rs
index da67a7602..f6f0f1399 100644
--- a/src/uucore/src/lib/features/parser/parse_size.rs
+++ b/src/uucore/src/lib/features/parser/parse_size.rs
@@ -361,6 +361,15 @@ pub fn parse_size_u64(size: &str) -> Result<u64, ParseSizeError> {
     Parser::default().parse_u64(size)
 }
 
+/// Same as `parse_size_u64()`, except 0 fails to parse
+pub fn parse_size_non_zero_u64(size: &str) -> Result<u64, ParseSizeError> {
+    let v = Parser::default().parse_u64(size)?;
+    if v == 0 {
+        return Err(ParseSizeError::ParseFailure("0".to_string()));
+    }
+    Ok(v)
+}
+
 /// Same as `parse_size_u64()` - deprecated
 #[deprecated = "Please use parse_size_u64(size: &str) -> Result<u64, ParseSizeError> OR parse_size_u128(size: &str) -> Result<u128, ParseSizeError> instead."]
 pub fn parse_size(size: &str) -> Result<u64, ParseSizeError> {