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| author | Neels Hofmeyr <nhofmeyr@sysmocom.de> | 2017-02-08 19:32:04 +0100 |
|---|---|---|
| committer | Neels Hofmeyr <nhofmeyr@sysmocom.de> | 2017-02-08 19:34:14 +0100 |
| commit | d15dc832c9da401d35300bf4c6d59235ee770bc5 (patch) | |
| tree | 86d2702735ed3b1b972b32faa9e8fca5f25ae5db | |
| parent | 16312669937281a7785bf069bbf428bfdbadcd60 (diff) | |
SACCH SI: assert that SI enum vals fit in bit mask
In case our SI enums ever move past 31, this static assert will warn us to
enlarge osmo_si_shifted.
Change-Id: I4185d7de590329ff5f523b241721c586ffdbcd8b
| -rw-r--r-- | src/common/rsl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/common/rsl.c b/src/common/rsl.c index c657b0f6..2f6c0c6a 100644 --- a/src/common/rsl.c +++ b/src/common/rsl.c @@ -689,6 +689,9 @@ static void copy_sacch_si_to_lchan(struct gsm_lchan *lchan) uint8_t rsl_si = rsl_sacch_sitypes[i]; int osmo_si = osmo_rsl2sitype(rsl_si); uint32_t osmo_si_shifted = (1 << osmo_si); + osmo_static_assert(_MAX_SYSINFO_TYPE <= sizeof(osmo_si_shifted) * 8, + si_enum_vals_fit_in_bit_mask); + if (osmo_si == SYSINFO_TYPE_NONE) continue; if (!(bts->si_valid & osmo_si_shifted)) { |