diff options
| author | Philipp Maier <pmaier@sysmocom.de> | 2021-02-03 22:11:46 +0100 |
|---|---|---|
| committer | Philipp Maier <pmaier@sysmocom.de> | 2021-02-04 15:17:41 +0100 |
| commit | d11a5d5b9a636ce5e16d688c5303eeac8be45e8c (patch) | |
| tree | ddc18a63ea58bf854983f07ff6f9c22ca0081a1c /src/gsm/gsm48.c | |
| parent | 700822b305850686528b0e83cb652b5a52b8600a (diff) | |
gsm48: add compare function for struct gprs_ra_id
Comparing struct gprs_ra_id using memcmp can be error prone, so lets add
a compare function to compare two struct gprs_ra_id values reliably.
Change-Id: I4d7558c04d9d01761516526086be5104bb2eeada
Related: SYS#5103
Diffstat (limited to 'src/gsm/gsm48.c')
| -rw-r--r-- | src/gsm/gsm48.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/gsm/gsm48.c b/src/gsm/gsm48.c index c497c745..e12fda56 100644 --- a/src/gsm/gsm48.c +++ b/src/gsm/gsm48.c @@ -1298,6 +1298,25 @@ int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid) return 6; } +/*! Compare a TS 04.08 Routing Area Identifier + * \param[in] raid1 first Routing Area ID to compare. + * \param[in] raid2 second Routing Area ID to compare. + * \returns true if raid1 and raid2 match, false otherwise. */ +bool gsm48_ra_equal(const struct gprs_ra_id *raid1, const struct gprs_ra_id *raid2) +{ + if (raid1->mcc != raid2->mcc) + return false; + if (raid1->mnc != raid2->mnc) + return false; + if (raid1->mnc_3_digits != raid2->mnc_3_digits) + return false; + if (raid1->lac != raid2->lac) + return false; + if (raid1->rac != raid2->rac) + return false; + return true; +} + /*! Determine number of paging sub-channels * \param[in] chan_desc Control Channel Description * \returns number of paging sub-channels |