From d9967c2638052730c6eeb1624586d633d6482003 Mon Sep 17 00:00:00 2001
From: Taylor R Campbell <campbell+ledger@mumble.net>
Date: Sat, 27 Apr 2024 19:54:23 +0000
Subject: Avoid ctype abuse.

fix https://github.com/ledger/ledger/issues/2338
fix https://github.com/ledger/ledger/issues/2340
---
 src/xact.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/xact.cc')

diff --git a/src/xact.cc b/src/xact.cc
index a0e5b8b4..0a080901 100644
--- a/src/xact.cc
+++ b/src/xact.cc
@@ -116,8 +116,10 @@ value_t xact_base_t::magnitude() const
 namespace {
   inline bool account_ends_with_special_char(const string& name) {
     string::size_type len(name.length());
-    return (std::isdigit(name[len - 1]) || name[len - 1] == ')' ||
-            name[len - 1] == '}' || name[len - 1] == ']');
+    return (std::isdigit(static_cast<unsigned char>(name[len - 1])) ||
+            name[len - 1] == ')' ||
+            name[len - 1] == '}' ||
+            name[len - 1] == ']');
   }
 
   struct add_balancing_post
-- 
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