Build: kill GCC 7's implicit-fallthrough warning

src/blua/ldebug.c

@@ -412,7 +412,7 @@ static Instruction symbexec (const Proto *pt, int lastpc, int reg) {
       case OP_FORLOOP:
       case OP_FORPREP:
         checkreg(pt, a+3);
-        /* go through */
+        /* FALLTHRU */
       case OP_JMP: {
         int dest = pc+1+b;
         /* not full check and jump is forward and do not skip `lastpc'? */

src/blua/llex.c

@@ -311,6 +311,7 @@ static void read_string (LexState *ls, int del, SemInfo *seminfo) {
               ls->lookahead.token = TK_CONCAT;
               return;
             }
+            /* FALLTHRU */
           default: {
             if (!isdigit(ls->current))
               save_and_next(ls);  /* handles \\, \", \', and \? */
@@ -340,7 +341,8 @@ static void read_string (LexState *ls, int del, SemInfo *seminfo) {
               };
 
             switch (i) {
-                case 4: save( ls, (c>>8) & 0xff );  // pass-through..
+                case 4: save( ls, (c>>8) & 0xff );
+                /* FALLTHRU */
                 case 2: save( ls, c&0xff );
                         break;
                 case 5:
@@ -482,11 +484,13 @@ static int llex (LexState *ls, SemInfo *seminfo) {
         else if (sep == -1) return '[';
         else luaX_lexerror(ls, "invalid long string delimiter", TK_STRING);
       }
+      /* FALLTHRU */
       case '=': {
         next(ls);
         if (ls->current != '=') return '=';
         else { next(ls); return TK_EQ; }
       }
+      /* FALLTHRU */
       case '<': {
         next(ls);
         if (ls->current == '<') { next(ls); return TK_SHL; }
@@ -550,6 +554,7 @@ static int llex (LexState *ls, SemInfo *seminfo) {
         ls->current = '"'; /* whacky! */
         return TK_CONCAT;
       }
+      /* FALLTHRU */
       default: {
         if (isspace(ls->current)) {
           lua_assert(!currIsNewline(ls));

src/blua/ltable.c

@@ -478,6 +478,7 @@ static TValue *newkey (lua_State *L, Table *t, const TValue *key) {
         return luaH_getnum(t, k);  /* use specialized version */
       /* else go through */
     }
+    /* FALLTHRU */
     default: {
       Node *n = mainposition(t, key);
       do {  /* check whether `key' is somewhere in the chain */

src/d_clisrv.c

@@ -1883,6 +1883,7 @@ static boolean CL_ServerConnectionTicker(boolean viams, const char *tmpsave, tic
 				break; // exit the case
 
 			cl_mode = CL_ASKJOIN; // don't break case continue to cljoin request now
+			/* FALLTHRU */
 
 		case CL_ASKJOIN:
 			CL_LoadServerFiles();
@@ -3605,6 +3606,7 @@ static void HandlePacketFromAwayNode(SINT8 node)
 			// Do not remove my own server (we have just get a out of order packet)
 			if (node == servernode)
 				break;
+			/* FALLTHRU */
 
 		default:
 			DEBFILE(va("unknown packet received (%d) from unknown host\n",netbuffer->packettype));
@@ -3761,6 +3763,7 @@ FILESTAMP
 			break;
 		case PT_TEXTCMD2: // splitscreen special
 			netconsole = nodetoplayer2[node];
+			/* FALLTHRU */
 		case PT_TEXTCMD:
 			if (client)
 				break;

src/d_netcmd.c

@@ -2453,7 +2453,7 @@ static void Got_Teamchange(UINT8 **cp, INT32 playernum)
 			error = true;
 			break;
 		}
-		//fall down
+		/* FALLTHRU */
 	case GT_TAG:
 		switch (NetPacket.packet.newteam)
 		{

src/m_menu.c

@@ -3022,6 +3022,7 @@ static void M_DrawGenericMenu(void)
 							W_CachePatchName(currentMenu->menuitems[i].patch, PU_CACHE));
 					}
 				}
+				/* FALLTHRU */
 			case IT_NOTHING:
 			case IT_DYBIGSPACE:
 				y += LINEHEIGHT;
@@ -3073,6 +3074,7 @@ static void M_DrawGenericMenu(void)
 					break;
 			case IT_STRING2:
 				V_DrawString(x, y, 0, currentMenu->menuitems[i].text);
+				/* FALLTHRU */
 			case IT_DYLITLSPACE:
 				y += SMALLLINEHEIGHT;
 				break;
@@ -3085,6 +3087,7 @@ static void M_DrawGenericMenu(void)
 			case IT_TRANSTEXT:
 				if (currentMenu->menuitems[i].alphaKey)
 					y = currentMenu->y+currentMenu->menuitems[i].alphaKey;
+				/* FALLTHRU */
 			case IT_TRANSTEXT2:
 				V_DrawString(x, y, V_TRANSLUCENT, currentMenu->menuitems[i].text);
 				y += SMALLLINEHEIGHT;
@@ -3297,6 +3300,7 @@ static void M_DrawCenteredMenu(void)
 							W_CachePatchName(currentMenu->menuitems[i].patch, PU_CACHE));
 					}
 				}
+				/* FALLTHRU */
 			case IT_NOTHING:
 			case IT_DYBIGSPACE:
 				y += LINEHEIGHT;
@@ -3347,6 +3351,7 @@ static void M_DrawCenteredMenu(void)
 					break;
 			case IT_STRING2:
 				V_DrawCenteredString(x, y, 0, currentMenu->menuitems[i].text);
+				/* FALLTHRU */
 			case IT_DYLITLSPACE:
 				y += SMALLLINEHEIGHT;
 				break;

src/p_ceilng.c

@@ -79,7 +79,7 @@ void T_MoveCeiling(ceiling_t *ceiling)
 							P_LinedefExecute((INT16)(ceiling->texture + INT16_MAX + 2), NULL, NULL);
 						if (ceiling->texture > -1) // flat changing
 							ceiling->sector->ceilingpic = ceiling->texture;
-						// don't break
+						/* FALLTHRU */
 					case raiseToHighest:
 //					case raiseCeilingByLine:
 					case moveCeilingByFrontTexture:
@@ -182,6 +182,7 @@ void T_MoveCeiling(ceiling_t *ceiling)
 					// except generalized ones, reset speed, start back up
 					case crushAndRaise:
 						ceiling->speed = CEILSPEED;
+						/* FALLTHRU */
 					case fastCrushAndRaise:
 						ceiling->direction = 1;
 						break;
@@ -200,6 +201,7 @@ void T_MoveCeiling(ceiling_t *ceiling)
 						if (ceiling->texture > -1) // flat changing
 							ceiling->sector->ceilingpic = ceiling->texture;
 						// don't break
+						/* FALLTHRU */
 
 					// in all other cases, just remove the active ceiling
 					case lowerAndCrush:
@@ -427,6 +429,7 @@ INT32 EV_DoCeiling(line_t *line, ceiling_e type)
 			case crushAndRaise:
 				ceiling->crush = true;
 				ceiling->topheight = sec->ceilingheight;
+				/* FALLTHRU */
 			case lowerAndCrush:
 				ceiling->bottomheight = sec->floorheight;
 				ceiling->bottomheight += 4*FRACUNIT;

src/p_enemy.c

@@ -6169,7 +6169,7 @@ void A_Boss7Chase(mobj_t *actor)
 					break;
 				}
 				actor->threshold++;
-				// fall into...
+				/* FALLTHRU */
 			case 1: // Chaingun Goop
 				A_FaceTarget(actor);
 				P_SetMobjState(actor, S_BLACKEGG_SHOOT1);

src/p_floor.c

@@ -312,6 +312,7 @@ void T_MoveFloor(floormove_t *movefloor)
 				case moveFloorByFrontSector:
 					if (movefloor->texture < -1) // chained linedef executing
 						P_LinedefExecute((INT16)(movefloor->texture + INT16_MAX + 2), NULL, NULL);
+					/* FALLTHRU */
 				case instantMoveFloorByFrontSector:
 					if (movefloor->texture > -1) // flat changing
 						movefloor->sector->floorpic = movefloor->texture;
@@ -360,6 +361,7 @@ void T_MoveFloor(floormove_t *movefloor)
 				case moveFloorByFrontSector:
 					if (movefloor->texture < -1) // chained linedef executing
 						P_LinedefExecute((INT16)(movefloor->texture + INT16_MAX + 2), NULL, NULL);
+					/* FALLTHRU */
 				case instantMoveFloorByFrontSector:
 					if (movefloor->texture > -1) // flat changing
 						movefloor->sector->floorpic = movefloor->texture;

src/p_inter.c

@@ -383,9 +383,11 @@ void P_TouchSpecialThing(mobj_t *special, mobj_t *toucher, boolean heightcheck)
 		case MT_REDTEAMRING:
 			if (player->ctfteam != 1)
 				return;
+			/* FALLTHRU */
 		case MT_BLUETEAMRING: // Yes, I'm lazy. Oh well, deal with it.
 			if (special->type == MT_BLUETEAMRING && player->ctfteam != 2)
 				return;
+			/* FALLTHRU */
 		case MT_RING:
 		case MT_FLINGRING:
 			if (!(P_CanPickupItem(player, false)))
@@ -3127,7 +3129,7 @@ boolean P_DamageMobj(mobj_t *target, mobj_t *inflictor, mobj_t *source, INT32 da
 				P_SetMobjState(target, target->info->meleestate); // go to pinch pain state
 				break;
 			}
-			// fallthrough
+			/* FALLTHRU */
 		default:
 			P_SetMobjState(target, target->info->painstate);
 			break;

src/p_mobj.c

@@ -7138,7 +7138,7 @@ void P_MobjThinker(mobj_t *mobj)
 				mobj->z = mobj->ceilingz - mobj->height;
 			else
 				mobj->z = mobj->floorz;
-			// THERE IS NO BREAK HERE ON PURPOSE
+			/* FALLTHRU */
 		default:
 			// check mobj against possible water content, before movement code
 			P_MobjCheckWater(mobj);
@@ -8185,6 +8185,7 @@ void P_PrecipitationEffects(void)
 	{
 		case PRECIP_RAIN: // no lightning or thunder whatsoever
 			sounds_thunder = false;
+			/* FALLTHRU */
 		case PRECIP_STORM_NOSTRIKES: // no lightning strikes specifically
 			effects_lightning = false;
 			break;

src/p_spec.c

@@ -3625,6 +3625,7 @@ void P_ProcessSpecialSector(player_t *player, sector_t *sector, sector_t *rovers
 							goto DoneSection2;
 					}
 				}
+			/* FALLTHRU */
 		case 4: // Linedef executor that doesn't require touching floor
 		case 5: // Linedef executor
 		case 6: // Linedef executor (7 Emeralds)
@@ -4632,6 +4633,8 @@ static void P_RunSpecialSectorCheck(player_t *player, sector_t *sector)
 				// requires touching floor.
 				break;
 			}
+			/* FALLTHRU */
+
 		case 1: // Starpost activator
 		case 5: // Fan sector
 		case 6: // Super Sonic Transform
@@ -5711,6 +5714,8 @@ void P_SpawnSpecials(INT32 fromnetsave)
 					EV_DoFloor(&lines[i], bounceFloor);
 				if (lines[i].special == 54)
 					break;
+				/* FALLTHRU */
+
 			case 55: // New super cool and awesome moving ceiling type
 				if (lines[i].backsector)
 					EV_DoCeiling(&lines[i], bounceCeiling);
@@ -5723,6 +5728,7 @@ void P_SpawnSpecials(INT32 fromnetsave)
 
 				if (lines[i].special == 57)
 					break; //only move the floor
+				/* FALLTHRU */
 
 			case 58: // New super cool and awesome moving ceiling crush type
 				if (lines[i].backsector)
@@ -6828,6 +6834,7 @@ static void P_SpawnScrollers(void)
 					Add_Scroller(sc_ceiling, -dx, dy, control, s, accel, l->flags & ML_NOCLIMB);
 				if (special != 533)
 					break;
+				/* FALLTHRU */
 
 			case 523:	// carry objects on ceiling
 				dx = FixedMul(dx, CARRYFACTOR);
@@ -6842,6 +6849,7 @@ static void P_SpawnScrollers(void)
 					Add_Scroller(sc_floor, -dx, dy, control, s, accel, l->flags & ML_NOCLIMB);
 				if (special != 530)
 					break;
+				/* FALLTHRU */
 
 			case 520:	// carry objects on floor
 				dx = FixedMul(dx, CARRYFACTOR);

src/sdl/i_video.c

@@ -941,6 +941,7 @@ static inline boolean I_SkipFrame(void)
 		case GS_LEVEL:
 			if (!paused)
 				return false;
+			/* FALLTHRU */
 		case GS_TIMEATTACK:
 		case GS_WAITINGPLAYERS:
 			return skip; // Skip odd frames

src/v_video.c

@@ -1083,6 +1083,7 @@ char *V_WordWrap(INT32 x, INT32 w, INT32 option, const char *string)
 	{
 		case V_MONOSPACE:
 			spacewidth = 8;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 8;
 			break;
@@ -1160,6 +1161,7 @@ void V_DrawString(INT32 x, INT32 y, INT32 option, const char *string)
 	{
 		case V_MONOSPACE:
 			spacewidth = 8;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 8;
 			break;
@@ -1269,6 +1271,7 @@ void V_DrawSmallString(INT32 x, INT32 y, INT32 option, const char *string)
 	{
 		case V_MONOSPACE:
 			spacewidth = 4;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 4;
 			break;
@@ -1370,6 +1373,7 @@ void V_DrawThinString(INT32 x, INT32 y, INT32 option, const char *string)
 	{
 		case V_MONOSPACE:
 			spacewidth = 5;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 5;
 			break;
@@ -1463,6 +1467,7 @@ void V_DrawStringAtFixed(fixed_t x, fixed_t y, INT32 option, const char *string)
 	{
 		case V_MONOSPACE:
 			spacewidth = 8;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 8;
 			break;
@@ -1747,6 +1752,7 @@ INT32 V_StringWidth(const char *string, INT32 option)
 	{
 		case V_MONOSPACE:
 			spacewidth = 8;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 8;
 			break;
@@ -1785,6 +1791,7 @@ INT32 V_SmallStringWidth(const char *string, INT32 option)
 	{
 		case V_MONOSPACE:
 			spacewidth = 4;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 4;
 			break;
@@ -1823,6 +1830,7 @@ INT32 V_ThinStringWidth(const char *string, INT32 option)
 	{
 		case V_MONOSPACE:
 			spacewidth = 5;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 5;
 			break;

src/y_inter.c

@@ -1004,6 +1004,7 @@ void Y_StartIntermission(void)
 
 			// fall back into the coop intermission for now
 			intertype = int_coop;
+			/* FALLTHRU */
 		case int_coop: // coop or single player, normal level
 		{
 			// award time and ring bonuses
@@ -1117,6 +1118,7 @@ void Y_StartIntermission(void)
 
 			// fall back into the special stage intermission for now
 			intertype = int_spec;
+			/* FALLTHRU */
 		case int_spec: // coop or single player, special stage
 		{
 			// Update visitation flags?