diff options
Diffstat (limited to 'src/gsm')
| -rw-r--r-- | src/gsm/gsm0411_utils.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/gsm/gsm0411_utils.c b/src/gsm/gsm0411_utils.c index 5076ec82..ebde8fca 100644 --- a/src/gsm/gsm0411_utils.c +++ b/src/gsm/gsm0411_utils.c @@ -25,6 +25,7 @@ * */ +#include "../../config.h" #include <time.h> #include <string.h> @@ -80,7 +81,12 @@ void gsm340_gen_scts(uint8_t *scts, time_t time) *scts++ = gsm411_bcdify(tm->tm_hour); *scts++ = gsm411_bcdify(tm->tm_min); *scts++ = gsm411_bcdify(tm->tm_sec); - *scts++ = gsm411_bcdify(0); /* GMT */ +#ifdef HAVE_TM_GMTOFF_IN_TM + *scts++ = gsm411_bcdify(tm->tm_gmtoff/(60*15)); +#else +#warning find a portable way to obtain timezone offset + *scts++ = 0; +#endif } /* Decode 03.40 TP-SCTS (into utc/gmt timestamp) */ @@ -101,6 +107,9 @@ time_t gsm340_scts(uint8_t *scts) tm.tm_hour = gsm411_unbcdify(*scts++); tm.tm_min = gsm411_unbcdify(*scts++); tm.tm_sec = gsm411_unbcdify(*scts++); +#ifdef HAVE_TM_GMTOFF_IN_TM + tm.tm_gmtoff = gsm411_unbcdify(*scts++) * 15*60; +#endif /* according to gsm 03.40 time zone is "expressed in quarters of an hour" */ |