BUILD: stconn: use __fallthrough in various shutw() functions

This avoids 7 build warnings when preprocessing happens before compiling
with gcc >= 7.

diff --git a/src/stconn.c b/src/stconn.c
index 3ad075ffd4ed61695ac5996b98c706bb4099aefe..a6ed548e19928b17125af4aa50752363a5b13eed 100644 (file)
--- a/src/stconn.c
+++ b/src/stconn.c
@@ -564,14 +564,14 @@ static void sc_app_shutw(struct stconn *sc)
                    !(ic->flags & (CF_SHUTR|CF_DONT_READ)))
                        return;
 
-               /* fall through */
+               __fallthrough;
        case SC_ST_CON:
        case SC_ST_CER:
        case SC_ST_QUE:
        case SC_ST_TAR:
                /* Note that none of these states may happen with applets */
                sc->state = SC_ST_DIS;
-               /* fall through */
+               __fallthrough;
        default:
                sc->flags &= ~SC_FL_NOLINGER;
                ic->flags |= CF_SHUTR;
@@ -728,18 +728,18 @@ static void sc_app_shutw_conn(struct stconn *sc)
                                return;
                }
 
-               /* fall through */
+               __fallthrough;
        case SC_ST_CON:
                /* we may have to close a pending connection, and mark the
                 * response buffer as shutr
                 */
                sc_conn_shut(sc);
-               /* fall through */
+               __fallthrough;
        case SC_ST_CER:
        case SC_ST_QUE:
        case SC_ST_TAR:
                sc->state = SC_ST_DIS;
-               /* fall through */
+               __fallthrough;
        default:
                sc->flags &= ~SC_FL_NOLINGER;
                ic->flags |= CF_SHUTR;
@@ -937,7 +937,7 @@ static void sc_app_shutw_applet(struct stconn *sc)
                    !(ic->flags & (CF_SHUTR|CF_DONT_READ)))
                        return;
 
-               /* fall through */
+               __fallthrough;
        case SC_ST_CON:
        case SC_ST_CER:
        case SC_ST_QUE:
@@ -945,7 +945,7 @@ static void sc_app_shutw_applet(struct stconn *sc)
                /* Note that none of these states may happen with applets */
                appctx_shut(__sc_appctx(sc));
                sc->state = SC_ST_DIS;
-               /* fall through */
+               __fallthrough;
        default:
                sc->flags &= ~SC_FL_NOLINGER;
                ic->flags |= CF_SHUTR;