Follow up to r1755264.

Don't crash when ap_rgetline() returns a NULL field on ENOSPC.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1755343 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/server/protocol.c b/server/protocol.c
index b77d78b3e8d1f1ab563eb470cebc1911fe22c19b..87357ab5587ee565b242130f342844c742f5ab61 100644 (file)
--- a/server/protocol.c
+++ b/server/protocol.c
@@ -814,8 +814,9 @@ AP_DECLARE(void) ap_get_mime_headers_core(request_rec *r, apr_bucket_brigade *bb
                 ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00561)
                               "Request header exceeds LimitRequestFieldSize%s"
                               "%.*s",
-                              *field ? ": " : "",
-                              field_name_len(field), field);
+                              (field && *field) ? ": " : "",
+                              (field) ? field_name_len(field) : 0,
+                              (field) ? field : "");
             }
             return;
         }