BUILD: prometheus: use __fallthrough in promex_dump_metrics() and IO handler()
This avoids 11 build warnings when preprocessing happens before compiling
with gcc >= 7.
diff --git a/addons/promex/service-prometheus.c b/addons/promex/service-prometheus.c
index d27aefa..b54695c 100644
--- a/addons/promex/service-prometheus.c
+++ b/addons/promex/service-prometheus.c
@@ -1204,7 +1204,7 @@
ctx->obj_state = 0;
ctx->field_num = INF_NAME;
appctx->st1 = PROMEX_DUMPER_GLOBAL;
- /* fall through */
+ __fallthrough;
case PROMEX_DUMPER_GLOBAL:
if (ctx->flags & PROMEX_FL_SCOPE_GLOBAL) {
@@ -1225,7 +1225,7 @@
ctx->obj_state = 0;
ctx->field_num = ST_F_PXNAME;
appctx->st1 = PROMEX_DUMPER_FRONT;
- /* fall through */
+ __fallthrough;
case PROMEX_DUMPER_FRONT:
if (ctx->flags & PROMEX_FL_SCOPE_FRONT) {
@@ -1246,7 +1246,7 @@
ctx->obj_state = 0;
ctx->field_num = ST_F_PXNAME;
appctx->st1 = PROMEX_DUMPER_LI;
- /* fall through */
+ __fallthrough;
case PROMEX_DUMPER_LI:
if (ctx->flags & PROMEX_FL_SCOPE_LI) {
@@ -1267,7 +1267,7 @@
ctx->obj_state = 0;
ctx->field_num = ST_F_PXNAME;
appctx->st1 = PROMEX_DUMPER_BACK;
- /* fall through */
+ __fallthrough;
case PROMEX_DUMPER_BACK:
if (ctx->flags & PROMEX_FL_SCOPE_BACK) {
@@ -1288,7 +1288,7 @@
ctx->obj_state = 0;
ctx->field_num = ST_F_PXNAME;
appctx->st1 = PROMEX_DUMPER_SRV;
- /* fall through */
+ __fallthrough;
case PROMEX_DUMPER_SRV:
if (ctx->flags & PROMEX_FL_SCOPE_SERVER) {
@@ -1308,7 +1308,7 @@
ctx->flags |= (PROMEX_FL_METRIC_HDR|PROMEX_FL_STICKTABLE_METRIC);
ctx->field_num = STICKTABLE_SIZE;
appctx->st1 = PROMEX_DUMPER_STICKTABLE;
- /* fall through */
+ __fallthrough;
case PROMEX_DUMPER_STICKTABLE:
if (ctx->flags & PROMEX_FL_SCOPE_STICKTABLE) {
@@ -1327,7 +1327,7 @@
ctx->flags &= ~(PROMEX_FL_METRIC_HDR|PROMEX_FL_STICKTABLE_METRIC);
ctx->field_num = 0;
appctx->st1 = PROMEX_DUMPER_DONE;
- /* fall through */
+ __fallthrough;
case PROMEX_DUMPER_DONE:
default:
@@ -1530,13 +1530,13 @@
}
appctx->st0 = PROMEX_ST_HEAD;
appctx->st1 = PROMEX_DUMPER_INIT;
- /* fall through */
+ __fallthrough;
case PROMEX_ST_HEAD:
if (!promex_send_headers(appctx, sc, res_htx))
goto out;
appctx->st0 = ((s->txn->meth == HTTP_METH_HEAD) ? PROMEX_ST_DONE : PROMEX_ST_DUMP);
- /* fall through */
+ __fallthrough;
case PROMEX_ST_DUMP:
ret = promex_dump_metrics(appctx, sc, res_htx);
@@ -1546,7 +1546,7 @@
goto out;
}
appctx->st0 = PROMEX_ST_DONE;
- /* fall through */
+ __fallthrough;
case PROMEX_ST_DONE:
/* no more data are expected. If the response buffer is
@@ -1566,7 +1566,7 @@
res->flags |= CF_EOI;
se_fl_set(appctx->sedesc, SE_FL_EOI);
appctx->st0 = PROMEX_ST_END;
- /* fall through */
+ __fallthrough;
case PROMEX_ST_END:
if (!(res->flags & CF_SHUTR)) {