* Return NULL instead of an empty string as ssl_var_lookup_ssl does by default. Thank...

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1645670 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/ssl/ssl_engine_vars.c b/modules/ssl/ssl_engine_vars.c
index be55ba31d9bb2c01e2ec6b4177d1249d1325a7fc..cd5ca60d7284c659da83dda006abc57ae7b2236f 100644 (file)
--- a/modules/ssl/ssl_engine_vars.c
+++ b/modules/ssl/ssl_engine_vars.c
@@ -144,7 +144,7 @@ static const char *expr_var_fn(ap_expr_eval_ctx_t *ctx, const void *data)
     char *var = (char *)data;
     SSLConnRec *sslconn = myConnConfig(ctx->c);
 
-    return sslconn ? ssl_var_lookup_ssl(ctx->p, ctx->c, ctx->r, var) : "";
+    return sslconn ? ssl_var_lookup_ssl(ctx->p, ctx->c, ctx->r, var) : NULL;
 }
 
 static int ssl_expr_lookup(ap_expr_lookup_parms *parms)