X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/db3f7b6972f3b003c0413b78afcfbe295ffe0b97..1d28cc061677bd07d9bed48dd84bd5c590247043:/src/src/setenv.c

diff --git a/src/src/setenv.c b/src/src/setenv.c
index 9a05b64b9..a5f056aee 100644
--- a/src/src/setenv.c
+++ b/src/src/setenv.c
@@ -6,6 +6,7 @@
  * Copyright (c) Jeremy Harris 2015 - 2016
  * Copyright (c) The Exim Maintainers 2016 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 /* This module provides (un)setenv routines for those environments
 lacking them in libraries. It is #include'd by OS/os.c-foo files. */
@@ -17,7 +18,7 @@ setenv(const char * name, const char * val, int overwrite)
 uschar * s;
 if (Ustrchr(name, '=')) return -1;
 if (overwrite || !getenv(name))
-  putenv(CS string_copy_malloc(string_sprintf("%s=%s", name, val)));
+  putenv(CS string_copy_perm(string_sprintf("%s=%s", name, val), FALSE));
 return 0;
 }