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migration: never fail in global_state_store()

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Actually global_state_store() can never fail. Let's get rid of extra
error paths.

To make things clear, use new runstate_get() and use same approach for
global_state_store() and global_state_store_running().

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230517123752.21615-3-vsementsov@yandex-team.ru>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2023-05-17 15:37:49 +03:00 • committed by Juan Quintela
parent 242b74eb69
commit c33f1829f8
4 changed files with 32 additions and 40 deletions
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23
migration/global_state.c
View file

@ -29,23 +29,22 @@ typedef struct {
static GlobalState global_state;
int global_state_store(void)
static void global_state_do_store(RunState state)
{
if (!runstate_store((char *)global_state.runstate,
sizeof(global_state.runstate))) {
error_report("runstate name too big: %s", global_state.runstate);
trace_migrate_state_too_big();
return -EINVAL;
}
return 0;
const char *state_str = RunState_str(state);
assert(strlen(state_str) < sizeof(global_state.runstate));
strpadcpy((char *)global_state.runstate, sizeof(global_state.runstate),
state_str, '\0');
}
void global_state_store(void)
{
global_state_do_store(runstate_get());
}
void global_state_store_running(void)
{
const char *state = RunState_str(RUN_STATE_RUNNING);
assert(strlen(state) < sizeof(global_state.runstate));
strpadcpy((char *)global_state.runstate, sizeof(global_state.runstate),
state, '\0');
global_state_do_store(RUN_STATE_RUNNING);
}
bool global_state_received(void)