[PATCH] lib: Fix strv_next for the anchor NULL entry

[Volker Lendecke]

Hi!

This whole strv thingy does not work properly without this
patch. I must have had this in an earlier version, I did
test with multiple reservations in server_id_db.

Review&push appreciated!

Thanks,

Volker

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-------------- next part --------------
From dbe84ccfc49850af13219720ca2636baa7986639 Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl at samba.org>
Date: Tue, 28 Apr 2015 10:28:52 +0200
Subject: [PATCH] lib: Fix strv_next for the anchor NULL entry

I swear I have tested this somewhere....

Signed-off-by: Volker Lendecke <vl at samba.org>
---
 lib/util/strv.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/util/strv.c b/lib/util/strv.c
index 2acd145..f5879c7 100644
--- a/lib/util/strv.c
+++ b/lib/util/strv.c
@@ -84,6 +84,13 @@ char *strv_next(char *strv, const char *entry)
 	size_t len, entry_len;
 	char *result;
 
+	if (entry == NULL) {
+		if (strv_valid_entry(strv, strv, &len, &entry_len)) {
+			return strv;
+		}
+		return NULL;
+	}
+
 	if (!strv_valid_entry(strv, entry, &len, &entry_len)) {
 		return NULL;
 	}
-- 
1.9.1