commit 7fb5e2de4b8a582cbfd9ab1f00e0db1402145fc3
author Alexander Chemeris <Alexander.Chemeris@gmail.com> Fri Mar 07 21:02:46 2014 +0100
committer Alexander Chemeris <Alexander.Chemeris@gmail.com> Sun Mar 16 15:08:54 2014 +0400
tree 3c4a176d73876a951fd4ad0823132e8f953ac1bf
parent 36d0feee3abdd6c8d2f645c11e026fcf828224ea

sms: Fix support of negative timezone offsets in gsm340_gen_scts().

src/gsm/gsm0411_utils.c

diff --git a/src/gsm/gsm0411_utils.c b/src/gsm/gsm0411_utils.c
index b4b5116..bb59a10 100644
--- a/src/gsm/gsm0411_utils.c
+++ b/src/gsm/gsm0411_utils.c
@@ -86,7 +86,10 @@
 	*scts++ = gsm411_bcdify(tm->tm_min);
 	*scts++ = gsm411_bcdify(tm->tm_sec);
 #ifdef HAVE_TM_GMTOFF_IN_TM
-	*scts++ = gsm411_bcdify(tm->tm_gmtoff/(60*15));
+	if (tm->tm_gmtoff >= 0)
+		*scts++ = gsm411_bcdify(tm->tm_gmtoff/(60*15));
+	else
+		*scts++ = gsm411_bcdify(-tm->tm_gmtoff/(60*15)) | 0x80;
 #else
 #warning find a portable way to obtain timezone offset
 	*scts++ = 0;