From c5f817307263dd83b7a547ba005d821f3cb30426 Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Fri, 9 Jul 2021 09:22:31 +0200
Subject: [PATCH] glib-aux: add nm_str_buf_utf8_validate() helper

(cherry picked from commit b15dfe03653a079bb84c929525f0ba492ef36a25)
---
 src/libnm-glib-aux/nm-str-buf.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libnm-glib-aux/nm-str-buf.h b/src/libnm-glib-aux/nm-str-buf.h
index b43b206f83..7a7f580ccb 100644
--- a/src/libnm-glib-aux/nm-str-buf.h
+++ b/src/libnm-glib-aux/nm-str-buf.h
@@ -504,4 +504,11 @@ nm_str_buf_destroy(NMStrBuf *strbuf)
 
 #define nm_auto_str_buf nm_auto(nm_str_buf_destroy)
 
+static inline gboolean
+nm_str_buf_utf8_validate(NMStrBuf *strbuf)
+{
+    _nm_str_buf_assert(strbuf);
+    return strbuf->_priv_len == 0 || g_utf8_validate(strbuf->_priv_str, strbuf->_priv_len, NULL);
+}
+
 #endif /* __NM_STR_BUF_H__ */