From cf8602fe15b9205a8fa06b94ef2bd6d543e2018e Mon Sep 17 00:00:00 2001
From: oech3 <79379754+oech3@users.noreply.github.com>
Date: Mon, 31 Aug 2026 15:45:15 +0900
Subject: [PATCH] ptx: report that -g/-w negatve_num as invalid

---
 src/uu/ptx/src/ptx.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/uu/ptx/src/ptx.rs b/src/uu/ptx/src/ptx.rs
index 759ddd2fdf5..d7a5755d4cd 100644
--- a/src/uu/ptx/src/ptx.rs
+++ b/src/uu/ptx/src/ptx.rs
@@ -1041,6 +1041,8 @@ pub fn uu_app() -> Command {
             Arg::new(options::GAP_SIZE)
                 .short('g')
                 .long(options::GAP_SIZE)
+                // report -NUM as invalid value
+                .allow_hyphen_values(true)
                 .value_parser(value_parser!(u64).range(1..))
                 .help(translate!("ptx-help-gap-size"))
                 .value_name("NUMBER"),
@@ -1082,6 +1084,8 @@ pub fn uu_app() -> Command {
             Arg::new(options::WIDTH)
                 .short('w')
                 .long(options::WIDTH)
+                // report -NUM as invalid value
+                .allow_hyphen_values(true)
                 .value_parser(value_parser!(u64).range(1..))
                 .help(translate!("ptx-help-width"))
                 .value_name("NUMBER"),