BUILD: peers: use __fallthrough in peer_io_handler()
This avoids 7 build warnings when preprocessing happens before compiling
with gcc >= 7.
diff --git a/src/peers.c b/src/peers.c
index 8477c43..f9dabf7 100644
--- a/src/peers.c
+++ b/src/peers.c
@@ -2942,7 +2942,7 @@
prev_state = appctx->st0;
appctx->svcctx = NULL;
appctx->st0 = PEER_SESS_ST_GETVERSION;
- /* fall through */
+ __fallthrough;
case PEER_SESS_ST_GETVERSION:
prev_state = appctx->st0;
reql = peer_getline_version(appctx, &maj_ver, &min_ver);
@@ -2953,7 +2953,7 @@
}
appctx->st0 = PEER_SESS_ST_GETHOST;
- /* fall through */
+ __fallthrough;
case PEER_SESS_ST_GETHOST:
prev_state = appctx->st0;
reql = peer_getline_host(appctx);
@@ -2964,7 +2964,7 @@
}
appctx->st0 = PEER_SESS_ST_GETPEER;
- /* fall through */
+ __fallthrough;
case PEER_SESS_ST_GETPEER: {
prev_state = appctx->st0;
reql = peer_getline_last(appctx, &curpeer);
@@ -3006,7 +3006,7 @@
appctx->st0 = PEER_SESS_ST_SENDSUCCESS;
_HA_ATOMIC_INC(&active_peers);
}
- /* fall through */
+ __fallthrough;
case PEER_SESS_ST_SENDSUCCESS: {
prev_state = appctx->st0;
if (!curpeer) {
@@ -3053,7 +3053,7 @@
/* switch to the waiting statuscode state */
appctx->st0 = PEER_SESS_ST_GETSTATUS;
}
- /* fall through */
+ __fallthrough;
case PEER_SESS_ST_GETSTATUS: {
prev_state = appctx->st0;
if (!curpeer) {
@@ -3096,7 +3096,7 @@
_HA_ATOMIC_INC(&connected_peers);
appctx->st0 = PEER_SESS_ST_WAITMSG;
}
- /* fall through */
+ __fallthrough;
case PEER_SESS_ST_WAITMSG: {
uint32_t msg_len = 0;
char *msg_cur = trash.area;
@@ -3186,7 +3186,7 @@
appctx->st0 = PEER_SESS_ST_END;
prev_state = appctx->st0;
}
- /* fall through */
+ __fallthrough;
case PEER_SESS_ST_END: {
if (prev_state == PEER_SESS_ST_WAITMSG)
_HA_ATOMIC_DEC(&connected_peers);