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nat; Start to use gcc attribute to say that parameter may not be zero 

This is an attempt to hint the compiler that it should check
the parameters and warn when something is null. Sadly it does
not work as expected.
This commit is contained in:
Holger Hans Peter Freyther 2010-09-16 06:33:27 +08:00
parent 0d711632f2
commit 4fcce9ea19
1 changed files with 1 additions and 0 deletions
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openbsc/src/nat/bsc_nat.c
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@ -102,6 +102,7 @@ int nm_state_event(enum nm_evt evt, uint8_t obj_class, void *obj,
void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
{}
static void queue_for_msc(struct bsc_msc_connection *con, struct msgb *msg) __attribute__((nonnull (1, 2)));
static void queue_for_msc(struct bsc_msc_connection *con, struct msgb *msg)
{
if (write_queue_enqueue(&con->write_queue, msg) != 0) {