From 4a7a44eccbb7c2096f3bfc00c27c7ccadc028aba Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Thu, 4 Jun 2026 13:17:31 -0400
Subject: join_ex: Fix leak on memory error

---
 src/lib/core/str.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/lib/core/str.c b/src/lib/core/str.c
index a04293f..400c93c 100644
--- a/src/lib/core/str.c
+++ b/src/lib/core/str.c
@@ -225,6 +225,11 @@ char *join_ex(char *separator, ...) {
 
     // Generate output string
     result = calloc(size + 1, sizeof(char));
+    if (!result) {
+        guard_array_free_by_count(argv, argc);
+        return NULL;
+    }
+
     for (size_t i = 0; i < argc; i++) {
         // Append argument to string
         safe_strncat(result, argv[i], size + 1); // no -1 because +1 above
-- 
cgit