another file required by the events system

diff --git a/lib/util/strlist.c b/lib/util/strlist.c
new file mode 100644 (file)
index 0000000..48a6e45
--- /dev/null
+++ b/lib/util/strlist.c
@@ -0,0 +1,52 @@
+/* 
+   Unix SMB/CIFS implementation.
+   
+   Copyright (C) Andrew Tridgell 2005
+   Copyright (C) Jelmer Vernooij 2005
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "system/locale.h"
+
+/**
+  return the number of elements in a string list
+*/
+_PUBLIC_ size_t str_list_length(const char **list)
+{
+       size_t ret;
+       for (ret=0;list && list[ret];ret++) /* noop */ ;
+       return ret;
+}
+
+
+/**
+  add an entry to a string list
+*/
+_PUBLIC_ const char **str_list_add(const char **list, const char *s)
+{
+       size_t len = str_list_length(list);
+       const char **ret;
+
+       ret = talloc_realloc(NULL, list, const char *, len+2);
+       if (ret == NULL) return NULL;
+
+       ret[len] = talloc_strdup(ret, s);
+       if (ret[len] == NULL) return NULL;
+
+       ret[len+1] = NULL;
+
+       return ret;
+}