From d0568dce79c350a4c11609c66587bc3e4cc00eba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Mon, 5 May 2025 20:25:41 +0200
Subject: [PATCH] core: fix integer overflow with decimal numbers in
 calculation of expression

---
 CHANGELOG.md         | 6 ++++++
 src/core/core-calc.c | 4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4bd350301..0dc1ae74e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # WeeChat ChangeLog
 
+## Version 4.6.3 (under dev)
+
+### Fixed
+
+- core: fix integer overflow with decimal numbers in calculation of expression
+
 ## Version 4.6.2 (2025-04-18)
 
 ### Fixed
diff --git a/src/core/core-calc.c b/src/core/core-calc.c
index 73659ea46..adc424ffd 100644
--- a/src/core/core-calc.c
+++ b/src/core/core-calc.c
@@ -336,9 +336,9 @@ calc_expression (const char *expr)
     struct t_arraylist *list_values, *list_ops;
     const char *ptr_expr, *ptr_expr2;
     char str_result[64], *ptr_operator, *operator;
-    int index_op, decimals;
+    int index_op;
     enum t_calc_symbol last_symbol;
-    double value, factor, *ptr_value;
+    double value, factor, decimals, *ptr_value;
 
     list_values = NULL;
     list_ops = NULL;