From 7140f86bc020ef60d2b35b79e9d051a415372036 Mon Sep 17 00:00:00 2001
From: Daniel-Constantin Mierla <miconda@gmail.com>
Date: Mon, 9 Mar 2015 12:33:58 +0100
Subject: [PATCH] textops: stop after substituting in first header if flag f is
 set for subst_hf()

- reported by Julia Boudniatsky

(cherry picked from commit 0f5aaac47a6002bbd4fdfaf0e6897d307c2cbc0e)
---
 modules/textops/textops.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/textops/textops.c b/modules/textops/textops.c
index 8e9bcb77a7e..50a6f079ac6 100644
--- a/modules/textops/textops.c
+++ b/modules/textops/textops.c
@@ -2889,6 +2889,9 @@ static int subst_hf_f(struct sip_msg *msg, char *str_hf, char *subst, char *flag
 		} else {
 			hfl = hf;
 		}
+		/* if flags set for first header, then all done */
+		if(flags!=NULL && *flags=='f')
+			return ret;
 	}
 	if(hfl!=NULL)
 	{