From e84d87d8d92b522691271f7df53c52b182c30c13 Mon Sep 17 00:00:00 2001
From: Brian Campbell <Brian.Campbell@ed.ac.uk>
Date: Tue, 10 Dec 2024 14:30:01 +0000
Subject: [PATCH] Fix memory leak in hex_str / hex_str_upper

---
 lib/sail.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/sail.c b/lib/sail.c
index cdd9a0336..8db2ab1ba 100644
--- a/lib/sail.c
+++ b/lib/sail.c
@@ -170,6 +170,7 @@ void hex_str(sail_string *str, const mpz_t n)
     mpz_init(abs);
     mpz_abs(abs, n);
     gmp_asprintf(str, "-0x%Zx", abs);
+    mpz_clear(abs);
   } else {
     gmp_asprintf(str, "0x%Zx", n);
   }
@@ -184,6 +185,7 @@ void hex_str_upper(sail_string *str, const mpz_t n)
     mpz_init(abs);
     mpz_abs(abs, n);
     gmp_asprintf(str, "-0x%ZX", abs);
+    mpz_clear(abs);
   } else {
     gmp_asprintf(str, "0x%ZX", n);
   }