From b5d83241fc41ff3c1c51aac2a7372115f10b5bbd Mon Sep 17 00:00:00 2001
From: Balazs Scheidler <bazsi77@gmail.com>
Date: Fri, 10 Feb 2023 15:54:22 +0100
Subject: [PATCH] timeutils: add scan_iso_timezone() function

Signed-off-by: Balazs Scheidler <bazsi77@gmail.com>
---
 lib/timeutils/scan-timestamp.c | 10 ++++++++++
 lib/timeutils/scan-timestamp.h |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/lib/timeutils/scan-timestamp.c b/lib/timeutils/scan-timestamp.c
index c00d8e6a96b..2088dffb95c 100644
--- a/lib/timeutils/scan-timestamp.c
+++ b/lib/timeutils/scan-timestamp.c
@@ -382,6 +382,16 @@ __parse_iso_timezone(const guchar **data, gint *length)
   return tz;
 }
 
+gboolean
+scan_iso_timezone(const guchar **data, gint *length, gint *gmtoff)
+{
+  if (__has_iso_timezone(*data, *length))
+    {
+      *gmtoff = __parse_iso_timezone(data, length);
+      return TRUE;
+    }
+  return FALSE;
+}
 
 static gboolean
 __parse_iso_stamp(WallClockTime *wct, const guchar **data, gint *length)
diff --git a/lib/timeutils/scan-timestamp.h b/lib/timeutils/scan-timestamp.h
index bce6696e68e..a1de397fa52 100644
--- a/lib/timeutils/scan-timestamp.h
+++ b/lib/timeutils/scan-timestamp.h
@@ -29,6 +29,8 @@
 #include "timeutils/wallclocktime.h"
 #include "timeutils/unixtime.h"
 
+gboolean scan_iso_timezone(const guchar **buf, gint *length, gint *gmtoff);
+
 gboolean scan_iso_timestamp(const gchar **buf, gint *left, WallClockTime *wct);
 gboolean scan_pix_timestamp(const gchar **buf, gint *left, WallClockTime *wct);
 gboolean scan_linksys_timestamp(const gchar **buf, gint *left, WallClockTime *wct);