APPS: replace awkward and error-prone pattern by calls to new app_conf_try_string()

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: David von Oheimb <david.von.oheimb@siemens.com>
(Merged from https://github.com/openssl/openssl/pull/20971)

1 files changed, 2 insertions, 3 deletions

diff --git a/apps/ts.c b/apps/ts.c
index 78c3aacced..a4218c9bf2 100644
--- a/apps/ts.c
+++ b/apps/ts.c
@@ -375,7 +375,7 @@ static CONF *load_config_file(const char *configfile)
         const char *p;
 
         BIO_printf(bio_err, "Using configuration from %s\n", configfile);
-        p = NCONF_get_string(conf, NULL, ENV_OID_FILE);
+        p = app_conf_try_string(conf, NULL, ENV_OID_FILE);
         if (p != NULL) {
             BIO *oid_bio = BIO_new_file(p, "r");
             if (!oid_bio)
@@ -384,8 +384,7 @@ static CONF *load_config_file(const char *configfile)
                 OBJ_create_objects(oid_bio);
                 BIO_free_all(oid_bio);
             }
-        } else
-            ERR_clear_error();
+        }
         if (!add_oid_section(conf))
             ERR_print_errors(bio_err);
     }