Cleanup: argument naming, redundant NULL checks

source/blender/blenkernel/BKE_editmesh_bvh.h

@@ -72,8 +72,8 @@ struct BMFace *BKE_bmbvh_ray_cast_filter(BMBVHTree *tree,
                                          float *r_dist,
                                          float r_hitout[3],
                                          float r_cagehit[3],
-                                         BMBVHTree_FaceFilter filter,
-                                         void *filter_cb);
+                                         BMBVHTree_FaceFilter filter_cb,
+                                         void *filter_userdata);
 
 /* find a vert closest to co in a sphere of radius dist_max */
 struct BMVert *BKE_bmbvh_find_vert_closest(BMBVHTree *tree,

source/blender/blenkernel/BKE_image.h

@@ -309,11 +309,11 @@ void BKE_image_get_aspect(struct Image *image, float *aspx, float *aspy);
 /* image_gen.c */
 void BKE_image_buf_fill_color(
     unsigned char *rect, float *rect_float, int width, int height, const float color[4]);
-void BKE_image_buf_fill_checker(unsigned char *rect, float *rect_float, int height, int width);
+void BKE_image_buf_fill_checker(unsigned char *rect, float *rect_float, int width, int height);
 void BKE_image_buf_fill_checker_color(unsigned char *rect,
                                       float *rect_float,
-                                      int height,
-                                      int width);
+                                      int width,
+                                      int height);
 
 /* Cycles hookup */
 unsigned char *BKE_image_get_pixels_for_frame(struct Image *image, int frame);

source/blender/blenkernel/intern/cloth.c

@@ -772,7 +772,7 @@ static int cloth_from_object(
     clmd->clothObject->old_solver_type = 255;
     clmd->clothObject->edgeset = NULL;
   }
-  else if (!clmd->clothObject) {
+  else {
     modifier_setError(&(clmd->modifier), "Out of memory on allocating clmd->clothObject");
     return 0;
   }

source/blender/blenkernel/intern/paint.c

@@ -224,7 +224,6 @@ const EnumPropertyItem *BKE_paint_get_tool_enum_from_paintmode(ePaintMode mode)
       return rna_enum_brush_image_tool_items;
     case PAINT_MODE_SCULPT_UV:
       return rna_enum_brush_uv_sculpt_tool_items;
-      return NULL;
     case PAINT_MODE_GPENCIL:
       return rna_enum_brush_gpencil_types_items;
     case PAINT_MODE_INVALID:

source/blender/blenkernel/intern/subdiv_ccg.c

@@ -593,7 +593,7 @@ Mesh *BKE_subdiv_to_ccg_mesh(Subdiv *subdiv,
   BKE_subdiv_stats_begin(&subdiv->stats, SUBDIV_STATS_SUBDIV_TO_CCG);
   if (!BKE_subdiv_eval_update_from_mesh(subdiv, coarse_mesh, NULL)) {
     if (coarse_mesh->totpoly) {
-      return false;
+      return NULL;
     }
   }
   BKE_subdiv_stats_end(&subdiv->stats, SUBDIV_STATS_SUBDIV_TO_CCG);

source/blender/blenkernel/intern/text.c

@@ -352,7 +352,7 @@ Text *BKE_text_load_ex(Main *bmain, const char *file, const char *relpath, const
 
   buffer = BLI_file_read_text_as_mem(filepath_abs, 0, &buffer_len);
   if (buffer == NULL) {
-    return false;
+    return NULL;
   }
 
   ta = BKE_libblock_alloc(bmain, ID_TXT, BLI_path_basename(filepath_abs), 0);

source/blender/blenlib/BLI_math_geom.h

@@ -97,10 +97,10 @@ bool is_quad_convex_v3(const float v1[3], const float v2[3], const float v3[3],
 bool is_quad_convex_v2(const float v1[2], const float v2[2], const float v3[2], const float v4[2]);
 bool is_poly_convex_v2(const float verts[][2], unsigned int nr);
 int is_quad_flip_v3(const float v1[3], const float v2[3], const float v3[3], const float v4[3]);
-bool is_quad_flip_v3_first_third_fast(const float v0[3],
-                                      const float v1[3],
+bool is_quad_flip_v3_first_third_fast(const float v1[3],
                                       const float v2[3],
-                                      const float v3[3]);
+                                      const float v3[3],
+                                      const float v4[3]);
 
 /********************************* Distance **********************************/
 

source/blender/blenloader/intern/versioning_250.c

@@ -1673,15 +1673,13 @@ void blo_do_versions_250(FileData *fd, Library *lib, Main *bmain)
     }
 
     for (scene = bmain->scenes.first; scene; scene = scene->id.next) {
-      if (scene) {
-        Sequence *seq;
-        SEQ_BEGIN (scene->ed, seq) {
-          if (seq->sat == 0.0f) {
-            seq->sat = 1.0f;
-          }
+      Sequence *seq;
+      SEQ_BEGIN (scene->ed, seq) {
+        if (seq->sat == 0.0f) {
+          seq->sat = 1.0f;
         }
-        SEQ_END;
       }
+      SEQ_END;
     }
 
     /* GSOC 2010 Sculpt - New settings for Brush */

source/blender/blenloader/intern/versioning_legacy.c

@@ -1705,19 +1705,17 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
     /* add default radius values to old curve points */
     for (cu = bmain->curves.first; cu; cu = cu->id.next) {
       for (nu = cu->nurb.first; nu; nu = nu->next) {
-        if (nu) {
-          if (nu->bezt) {
-            for (bezt = nu->bezt, a = 0; a < nu->pntsu; a++, bezt++) {
-              if (!bezt->radius) {
-                bezt->radius = 1.0;
-              }
+        if (nu->bezt) {
+          for (bezt = nu->bezt, a = 0; a < nu->pntsu; a++, bezt++) {
+            if (!bezt->radius) {
+              bezt->radius = 1.0;
             }
           }
-          else if (nu->bp) {
-            for (bp = nu->bp, a = 0; a < nu->pntsu * nu->pntsv; a++, bp++) {
-              if (!bp->radius) {
-                bp->radius = 1.0;
-              }
+        }
+        else if (nu->bp) {
+          for (bp = nu->bp, a = 0; a < nu->pntsu * nu->pntsv; a++, bp++) {
+            if (!bp->radius) {
+              bp->radius = 1.0;
             }
           }
         }
@@ -2515,17 +2513,15 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
 
     for (cu = bmain->curves.first; cu; cu = cu->id.next) {
       for (nu = cu->nurb.first; nu; nu = nu->next) {
-        if (nu) {
-          nu->radius_interp = 3;
+        nu->radius_interp = 3;
 
-          /* resolu and resolv are now used differently for surfaces
-           * rather than using the resolution to define the entire number of divisions,
-           * use it for the number of divisions per segment
-           */
-          if (nu->pntsv > 1) {
-            nu->resolu = MAX2(1, (int)(((float)nu->resolu / (float)nu->pntsu) + 0.5f));
-            nu->resolv = MAX2(1, (int)(((float)nu->resolv / (float)nu->pntsv) + 0.5f));
-          }
+        /* resolu and resolv are now used differently for surfaces
+         * rather than using the resolution to define the entire number of divisions,
+         * use it for the number of divisions per segment
+         */
+        if (nu->pntsv > 1) {
+          nu->resolu = MAX2(1, (int)(((float)nu->resolu / (float)nu->pntsu) + 0.5f));
+          nu->resolv = MAX2(1, (int)(((float)nu->resolv / (float)nu->pntsv) + 0.5f));
         }
       }
     }

source/blender/draw/engines/workbench/workbench_studiolight.c

@@ -131,7 +131,7 @@ void studiolight_update_world(WORKBENCH_PrivateData *wpd,
 static void compute_parallel_lines_nor_and_dist(const float v1[2],
                                                 const float v2[2],
                                                 const float v3[2],
-                                                float r_line[2])
+                                                float r_line[4])
 {
   sub_v2_v2v2(r_line, v2, v1);
   /* Find orthogonal vector. */

source/blender/editors/animation/keyframes_draw.c

@@ -545,8 +545,7 @@ int actkeyblock_get_valid_hold(ActKeyColumn *ac)
     return 0;
   }
 
-  const int hold_mask = (ACTKEYBLOCK_FLAG_ANY_HOLD | ACTKEYBLOCK_FLAG_STATIC_HOLD |
-                         ACTKEYBLOCK_FLAG_ANY_HOLD);
+  const int hold_mask = (ACTKEYBLOCK_FLAG_ANY_HOLD | ACTKEYBLOCK_FLAG_STATIC_HOLD);
   return (ac->block.flag & ~ac->block.conflict) & hold_mask;
 }
 

source/blender/editors/interface/interface_handlers.c

@@ -9816,9 +9816,7 @@ static int ui_pie_handler(bContext *C, const wmEvent *event, uiPopupBlockHandle
 
           if (but && (U.pie_menu_confirm > 0) &&
               (dist >= U.dpi_fac * (U.pie_menu_threshold + U.pie_menu_confirm))) {
-            if (but) {
-              return ui_but_pie_menu_apply(C, menu, but, true);
-            }
+            return ui_but_pie_menu_apply(C, menu, but, true);
           }
 
           retval = ui_but_pie_menu_apply(C, menu, but, true);

source/blender/editors/interface/resources.c

@@ -371,7 +371,6 @@ const uchar *UI_ThemeGetColorPtr(bTheme *btheme, int spacetype, int colorid)
         case TH_OBCENTER_DIA:
           cp = &ts->obcenter_dia;
           break;
-          break;
         case TH_EDGE:
           cp = ts->edge;
           break;

source/blender/editors/object/object_add.c

@@ -1030,7 +1030,7 @@ static int empty_drop_named_image_invoke(bContext *C, wmOperator *op, const wmEv
     return OPERATOR_CANCELLED;
   }
   /* handled below */
-  id_us_min((ID *)ima);
+  id_us_min(&ima->id);
 
   Object *ob = NULL;
   Object *ob_cursor = ED_view3d_give_object_under_cursor(C, event->mval);

source/blender/editors/space_outliner/outliner_draw.c

@@ -2419,7 +2419,6 @@ TreeElementIcon tree_element_get_icon(TreeStoreElem *tselem, TreeElement *te)
         case OB_GPENCIL:
           data.icon = ICON_OUTLINER_OB_GREASEPENCIL;
           break;
-          break;
       }
     }
     else {

source/blender/editors/transform/transform_generics.c

@@ -1832,7 +1832,7 @@ static void freeTransCustomData(TransInfo *t, TransDataContainer *tc, TransCusto
     custom_data->data = NULL;
   }
   /* In case modes are switched in the same transform session. */
-  custom_data->free_cb = false;
+  custom_data->free_cb = NULL;
   custom_data->use_free = false;
 }
 

source/blender/makesrna/intern/rna_main_api.c

@@ -461,8 +461,6 @@ static VFont *rna_Main_fonts_load(Main *bmain,
                 "Cannot read '%s': %s",
                 filepath,
                 errno ? strerror(errno) : TIP_("unsupported font format"));
-
-    id_us_min((ID *)font);
   }
   return font;
 }