diff options
| -rw-r--r-- | epan/dissectors/packet-dect-nwk.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/epan/dissectors/packet-dect-nwk.c b/epan/dissectors/packet-dect-nwk.c index a9ee49099b..ac54395b45 100644 --- a/epan/dissectors/packet-dect-nwk.c +++ b/epan/dissectors/packet-dect-nwk.c @@ -2746,7 +2746,7 @@ where: * PPPPPPP is the decimal representation of the last 20 bits * C is calculated based on the digits by multiplying the digit with its position (starting with 1 on the leftmost one), and taking the sum of those multiply results - module 11. If the result is 10 a '*' is displayed insted. + modulo 11. If the result is 10 a '*' is displayed instead. */ static void fmt_dect_nwk_ipei(gchar *ipei_string, guint64 ipei) { guint16 emc, check_digit; @@ -2757,18 +2757,19 @@ static void fmt_dect_nwk_ipei(gchar *ipei_string, guint64 ipei) { psn = ipei & 0xFFFFF; digit_divisor = 100000000000; - ipei_digits = emc * 100000000 + psn; + ipei_digits = emc * 10000000 + psn; check_digit = 0; for(int i = 1; i <= 12; i++) { check_digit += ( ipei_digits / digit_divisor ) * i; ipei_digits = ipei_digits % digit_divisor; + digit_divisor /= 10; } check_digit = check_digit % 11; if ( check_digit == 10) { - snprintf(ipei_string, 15, "%05d %07d *", emc, psn); + snprintf(ipei_string, 16, "%05d %07d *", emc, psn); } else { - snprintf(ipei_string, 15, "%05d %07d %d", emc, psn, check_digit); + snprintf(ipei_string, 16, "%05d %07d %d", emc, psn, check_digit); } } |