Cleanup: warnings

Quiet extra-semi-stmt & missing-variable-declarations

source/blender/blenkernel/intern/data_transfer.c

@@ -585,7 +585,7 @@ static bool data_transfer_layersmapping_cdlayers_multisrc_to_dst(ListBase *r_map
 
       /* Find last source actually used! */
       while (idx_src-- && !use_layers_src[idx_src]) {
-        ;
+        /* pass */
       }
       idx_src++;
 

source/blender/blenkernel/intern/deform.c

@@ -1124,7 +1124,7 @@ static bool data_transfer_layersmapping_vgroups_multisrc_to_dst(ListBase *r_map,
       /* Find last source actually used! */
       idx_src = num_layers_src;
       while (idx_src-- && !use_layers_src[idx_src]) {
-        ;
+        /* pass */
       }
       idx_src++;
 

source/blender/blenkernel/intern/dynamicpaint.c

@@ -5393,7 +5393,7 @@ static void dynamic_paint_effect_drip_cb(void *__restrict userdata,
       const uint8_t epointlock_bitmask = 1 << (n_trgt & 7); /* 7 == 0b111 */
       while (atomic_fetch_and_or_uint8(&point_locks[epointlock_idx], epointlock_bitmask) &
              epointlock_bitmask) {
-        ;
+        /* pass */
       }
 
       PaintPoint *ePoint = &((PaintPoint *)sData->type_data)[n_trgt];
@@ -5440,7 +5440,7 @@ static void dynamic_paint_effect_drip_cb(void *__restrict userdata,
     const uint8_t ppointlock_bitmask = 1 << (index & 7); /* 7 == 0b111 */
     while (atomic_fetch_and_or_uint8(&point_locks[ppointlock_idx], ppointlock_bitmask) &
            ppointlock_bitmask) {
-      ;
+      /* pass */
     }
 
     pPoint->wetness -= ppoint_wetness_diff;

source/blender/blenkernel/intern/library_override.c

@@ -81,7 +81,7 @@ IDOverrideStatic *BKE_override_static_init(ID *local_id, ID *reference_id)
   for (ancestor_id = reference_id; ancestor_id != NULL && ancestor_id->override_static != NULL &&
                                    ancestor_id->override_static->reference != NULL;
        ancestor_id = ancestor_id->override_static->reference) {
-    ;
+    /* pass */
   }
 
   if (ancestor_id != NULL && ancestor_id->override_static != NULL) {

source/blender/blenkernel/intern/particle_distribute.c

@@ -1170,7 +1170,7 @@ static int psys_thread_context_init_distribute(ParticleThreadContext *ctx,
   int i_mapped = 0;
 
   for (i = 0; i < totelem && element_weight[i] == 0.0f; i++) {
-    ;
+    /* pass */
   }
   element_sum[i_mapped] = element_weight[i] * inv_totweight;
   element_map[i_mapped] = i;
@@ -1216,7 +1216,7 @@ static int psys_thread_context_init_distribute(ParticleThreadContext *ctx,
 
     for (i = 0, p = 0; p < totpart; p++, pos += step) {
       for (; (i < totmapped - 1) && (pos > (double)element_sum[i]); i++) {
-        ;
+        /* pass */
       }
 
       particle_element[p] = element_map[i];

source/blender/blenkernel/intern/pbvh.c

@@ -181,10 +181,10 @@ static int partition_indices(int *prim_indices, int lo, int hi, int axis, float
   int i = lo, j = hi;
   for (;;) {
     for (; prim_bbc[prim_indices[i]].bcentroid[axis] < mid; i++) {
-      ;
+      /* pass */
     }
     for (; mid < prim_bbc[prim_indices[j]].bcentroid[axis]; j--) {
-      ;
+      /* pass */
     }
 
     if (!(i < j)) {
@@ -216,18 +216,18 @@ static int partition_indices_material(PBVH *bvh, int lo, int hi)
   for (;;) {
     if (bvh->looptri) {
       for (; face_materials_match(first, &mpoly[looptri[indices[i]].poly]); i++) {
-        ;
+        /* pass */
       }
       for (; !face_materials_match(first, &mpoly[looptri[indices[j]].poly]); j--) {
-        ;
+        /* pass */
       }
     }
     else {
       for (; grid_materials_match(first, &flagmats[indices[i]]); i++) {
-        ;
+        /* pass */
       }
       for (; !grid_materials_match(first, &flagmats[indices[j]]); j--) {
-        ;
+        /* pass */
       }
     }
 

source/blender/blenkernel/intern/tracking_stabilize.c

@@ -275,10 +275,10 @@ static int search_closest_marker_index(MovieTrackingTrack *track, int ref_frame)
   i = MAX2(0, i);
   i = MIN2(i, end - 1);
   for (; i < end - 1 && markers[i].framenr <= ref_frame; ++i) {
-    ;
+    /* pass */
   }
   for (; 0 < i && markers[i].framenr > ref_frame; --i) {
-    ;
+    /* pass */
   }
 
   track->last_marker = i;

source/blender/blenkernel/intern/unit.c

@@ -663,7 +663,7 @@ static const char *unit_find_str(const char *str, const char *substr, bool case_
         }
         /* If str_found is not a valid unit, we have to check further in the string... */
         for (str_found++; isalpha_or_utf8(*str_found); str_found++) {
-          ;
+          /* pass */
         }
         str = str_found;
       }

source/blender/blenlib/intern/expr_pylike_eval.c

@@ -164,7 +164,8 @@ eExprPyLike_EvalStatus BLI_expr_pylike_eval(ExprPyLike_Parsed *expr,
 #define FAIL_IF(condition) \
   if (condition) { \
     return EXPR_PYLIKE_FATAL_ERROR; \
-  }
+  } \
+  ((void)0)
 
   /* Check the stack requirement is at least remotely sane and allocate on the actual stack. */
   FAIL_IF(expr->max_stack <= 0 || expr->max_stack > 1000);
@@ -391,7 +392,8 @@ static BuiltinOpDef builtin_ops[] = {
 #define CHECK_ERROR(condition) \
   if (!(condition)) { \
     return false; \
-  }
+  } \
+  ((void)0)
 
 /* For simplicity simple token types are represented by their own character;
  * these are special identifiers for multi-character tokens. */

source/blender/compositor/operations/COM_GlareFogGlowOperation.cpp

@@ -154,7 +154,7 @@ static void FHT2D(
     for (i = 0; stm > 0; i++) {
 #define PRED(k) (((k & Nym) << Mx) + (k >> My))
       for (j = PRED(i); j > i; j = PRED(j)) {
-        ;
+        /* pass */
       }
       if (j < i) {
         continue;

source/blender/depsgraph/intern/node/deg_node_component.cc

@@ -131,7 +131,6 @@ string ComponentNode::identifier() const
   const string typebuf = "" + to_string(static_cast<int>(type)) + ")";
   return typebuf + name + " : " + idname +
          "( affects_directly_visible: " + (affects_directly_visible ? "true" : "false") + ")";
-  ;
 }
 
 OperationNode *ComponentNode::find_operation(OperationIDKey key) const

source/blender/editors/object/object_constraint.c

@@ -160,7 +160,7 @@ static void validate_pyconstraint_cb(Main *bmain, void *arg1, void *arg2)
   if (index) {
     /* innovative use of a for...loop to search */
     for (text = bmain->texts.first, i = 1; text && index != i; i++, text = text->id.next) {
-      ;
+      /* pass */
     }
   }
   data->text = text;

source/blender/editors/sculpt_paint/paint_image_proj.c

@@ -1895,7 +1895,7 @@ static ProjPixel *project_paint_uvpixel_init(const ProjPaintState *ps,
 
   /* other thread may be initializing the tile so wait here */
   while (projima->undoRect[tile_index] == TILE_PENDING) {
-    ;
+    /* pass */
   }
 
   BLI_assert(tile_index < (IMAPAINT_TILE_NUMBER(ibuf->x) * IMAPAINT_TILE_NUMBER(ibuf->y)));

source/blender/editors/sculpt_paint/sculpt_uv.c

@@ -600,7 +600,7 @@ static UvSculptData *uv_sculpt_stroke_init(bContext *C, wmOperator *op, const wm
           if (do_island_optimization && (element->island != island_index)) {
             /* skip this uv if not on the active island */
             for (; element->next && !(element->next->separate); element = element->next) {
-              ;
+              /* pass */
             }
             continue;
           }

source/blender/editors/space_sequencer/sequencer_draw.c

@@ -1847,7 +1847,6 @@ static bool draw_cache_view_cb(
         color[2] = 0.2f;
         stripe_ht = UI_view2d_region_to_view_y(v2d, 4.0f * UI_DPI_FAC * U.pixelsize) -
                     v2d->cur.ymin;
-        ;
         stripe_bot = UI_view2d_region_to_view_y(v2d, V2D_SCROLL_HEIGHT_TEXT);
         stripe_top = stripe_bot + stripe_ht;
         break;

source/blender/editors/space_text/text_autocomplete.c

@@ -74,7 +74,7 @@ int text_do_suggest_select(SpaceText *st, ARegion *ar)
 
   /* Count the visible lines to the cursor */
   for (tmp = st->text->curl, l = -st->top; tmp; tmp = tmp->prev, l++) {
-    ;
+    /* pass */
   }
   if (l < 0) {
     return 0;
@@ -101,7 +101,7 @@ int text_do_suggest_select(SpaceText *st, ARegion *ar)
 
   /* Work out which of the items is at the top of the visible list */
   for (i = 0, item = first; i < *top && item->next; i++, item = item->next) {
-    ;
+    /* pass */
   }
 
   /* Work out the target item index in the visible list */
@@ -111,7 +111,7 @@ int text_do_suggest_select(SpaceText *st, ARegion *ar)
   }
 
   for (i = tgti; i > 0 && item->next; i--, item = item->next) {
-    ;
+    /* pass */
   }
   if (item) {
     texttool_suggest_select(item);

source/blender/editors/space_text/text_draw.c

@@ -1186,7 +1186,7 @@ static void draw_suggestion_list(const SpaceText *st, const TextDrawContext *tdc
 
   /* Set the top 'item' of the visible list */
   for (i = 0, item = first; i < *top && item->next; i++, item = item->next) {
-    ;
+    /* pass */
   }
 
   for (i = 0; i < SUGG_LIST_SIZE && item; i++, item = item->next) {

source/blender/editors/space_text/text_ops.c

@@ -1268,7 +1268,7 @@ static int text_convert_whitespace_exec(bContext *C, wmOperator *op)
           for (j = 1;
                (j < tab_len) && (a + j < text_check_line_len) && (text_check_line[a + j] == ' ');
                j++) {
-            ;
+            /* pass */
           }
 
           if (j == tab_len) {

source/blender/freestyle/intern/system/RandGen.cpp

@@ -49,7 +49,8 @@ namespace Freestyle {
     long l = (long)(x) * (long)(y); \
     (z)[0] = LOW(l); \
     (z)[1] = HIGH(l); \
-  }
+  } \
+  ((void)0)
 
 #define CARRY(x, y) ((unsigned long)((long)(x) + (long)(y)) > MASK)
 #define ADDEQU(x, y, z) (z = CARRY(x, (y)), x = LOW(x + (y)))

source/blender/imbuf/intern/cache.c

@@ -156,7 +156,7 @@ void imb_tile_cache_tile_free(ImBuf *ibuf, int tx, int ty)
   if (gtile) {
     /* in case another thread is loading this */
     while (gtile->loading) {
-      ;
+      /* pass */
     }
 
     BLI_ghash_remove(GLOBAL_CACHE.tilehash, gtile, NULL, NULL);
@@ -295,7 +295,7 @@ static ImGlobalTile *imb_global_cache_get_tile(ImBuf *ibuf,
     BLI_mutex_unlock(&GLOBAL_CACHE.mutex);
 
     while (gtile->loading) {
-      ;
+      /* pass */
     }
   }
   else {

source/blender/imbuf/intern/radiance_hdr.c

@@ -354,7 +354,7 @@ static int fwritecolrs(FILE *file, int width, int channels, unsigned char *ibufs
         for (cnt = 1; (cnt < 127) && ((beg + cnt) < width) &&
                       (rgbe_scan[beg + cnt][i] == rgbe_scan[beg][i]);
              cnt++) {
-          ;
+          /* pass */
         }
         if (cnt >= MINRUN) {
           break; /* long enough */

source/blender/makesrna/intern/rna_scene.c

@@ -193,7 +193,7 @@ static const EnumPropertyItem snap_uv_element_items[] = {
     {0, NULL, 0, NULL, NULL},
 };
 
-const EnumPropertyItem rna_enum_scene_display_aa_methods[] = {
+static const EnumPropertyItem rna_enum_scene_display_aa_methods[] = {
     {SCE_DISPLAY_AA_OFF,
      "OFF",
      0,