remove some redundant vars, assignments & checks.

intern/mikktspace/mikktspace.c

@@ -282,7 +282,6 @@ tbool genTangSpace(const SMikkTSpaceContext * pContext, const float fAngularThre
 
 	// Mark all degenerate triangles
 	iTotTris = iNrTrianglesIn;
-	iNrTrianglesIn = 0;
 	iDegenTriangles = 0;
 	for(t=0; t<iTotTris; t++)
 	{

source/blender/blenkernel/intern/curve.c

@@ -1712,13 +1712,12 @@ static void bevel_list_flip_tangents(BevList *bl)
 /* apply user tilt */
 static void bevel_list_apply_tilt(BevList *bl)
 {
-	BevPoint *bevp2, *bevp1, *bevp0;
+	BevPoint *bevp2, *bevp1;
 	int nr;
 	float q[4];
 
 	bevp2= (BevPoint *)(bl+1);
 	bevp1= bevp2+(bl->nr-1);
-	bevp0= bevp1-1;
 
 	nr= bl->nr;
 	while(nr--) {
@@ -1726,7 +1725,6 @@ static void bevel_list_apply_tilt(BevList *bl)
 		mul_qt_qtqt(bevp1->quat, q, bevp1->quat);
 		normalize_qt(bevp1->quat);
 
-		bevp0= bevp1;
 		bevp1= bevp2;
 		bevp2++;
 	}

source/blender/blenkernel/intern/customdata.c

@@ -507,7 +507,7 @@ static void layerInterp_mdisps(void **sources, float *UNUSED(weights),
 	}
 
 	/* Initialize the destination */
-	out = disps = MEM_callocN(3*d->totdisp*sizeof(float), "iterp disps");
+	disps = MEM_callocN(3*d->totdisp*sizeof(float), "iterp disps");
 
 	side = sqrt(d->totdisp / dst_corners);
 	st = (side<<1)-1;

source/blender/blenkernel/intern/depsgraph.c

@@ -1556,10 +1556,9 @@ void graph_print_queue(DagNodeQueue *nqueue)
 void graph_print_queue_dist(DagNodeQueue *nqueue)
 {	
 	DagNodeQueueElem *queueElem;
-	int max, count;
+	int count;
 	
 	queueElem = nqueue->first;
-	max = queueElem->node->DFS_fntm;
 	count = 0;
 	while(queueElem) {
 		fprintf(stderr,"** %25s %2.2i-%2.2i ",((ID *) queueElem->node->ob)->name,queueElem->node->DFS_dvtm,queueElem->node->DFS_fntm);

source/blender/blenkernel/intern/seqeffects.c

@@ -2204,7 +2204,6 @@ static void RVBlurBitmap2_byte ( unsigned char* map, int width,int height,
 	/*	Blancmange (bmange@airdmhor.gen.nz) */
 
 	k = -1.0/(2.0*3.14159*blur*blur);
-	fval=0;
 	for (ix = 0;ix< halfWidth;ix++){
 		weight = (float)exp(k*(ix*ix));
 		filter[halfWidth - ix] = weight;

source/blender/blenkernel/intern/text.c

@@ -378,7 +378,6 @@ Text *add_text(const char *file, const char *relpath)
 	ta->mtime= st.st_mtime;
 	
 	ta->nlines=0;
-	i=0;
 	llen=0;
 	for(i=0; i<len; i++) {
 		if (buffer[i]=='\n') {

source/blender/editors/armature/poselib.c

@@ -354,7 +354,7 @@ void POSELIB_OT_action_sanitise (wmOperatorType *ot)
 static void poselib_add_menu_invoke__replacemenu (bContext *C, uiLayout *layout, void *UNUSED(arg))
 {
 	Object *ob= get_poselib_object(C);
-	bAction *act= (ob) ? ob->poselib : NULL;
+	bAction *act= ob->poselib; /* never NULL */
 	TimeMarker *marker;
 	
 	/* set the operator execution context correctly */

source/blender/editors/interface/interface_layout.c

@@ -1971,17 +1971,15 @@ static void ui_litem_layout_split(uiLayout *litem)
 	uiLayoutItemSplt *split= (uiLayoutItemSplt*)litem;
 	uiItem *item;
 	float percentage;
-	int itemh, x, y, w, tot=0, colw=0;
+	const int tot= BLI_countlist(&litem->items);
+	int itemh, x, y, w, colw=0;
+
+	if(tot == 0)
+		return;
 
 	x= litem->x;
 	y= litem->y;
 
-	for(item=litem->items.first; item; item=item->next)
-		tot++;
-	
-	if(tot == 0)
-		return;
-	
 	percentage= (split->percentage == 0.0f)? 1.0f/(float)tot: split->percentage;
 	
 	w= (litem->w - (tot-1)*litem->space);

source/blender/editors/render/render_shading.c

@@ -1153,6 +1153,9 @@ static void paste_mtex_copybuf(ID *id)
 		case ID_PA:
 			mtex= &(((ParticleSettings *)id)->mtex[(int)((ParticleSettings *)id)->texact]);
 			break;
+		default:
+			BLI_assert("invalid id type");
+			return;
 	}
 	
 	if(mtex) {

source/blender/editors/space_view3d/drawobject.c

@@ -5152,13 +5152,13 @@ static void draw_forcefield(Scene *scene, Object *ob, RegionView3D *rv3d)
 		drawcircball(GL_LINE_LOOP, vec, size*2.0, imat);
 	}
 	else if (pd->forcefield == PFIELD_VORTEX) {
-		float ffall_val, force_val;
+		float /*ffall_val,*/ force_val;
 
 		unit_m4(tmat);
 		//if (has_ipo_code(ob->ipo, OB_PD_FFALL)) 
 		//	ffall_val = IPO_GetFloatValue(ob->ipo, OB_PD_FFALL, scene->r.cfra);
 		//else 
-			ffall_val = pd->f_power;
+		//	ffall_val = pd->f_power;
 
 		//if (has_ipo_code(ob->ipo, OB_PD_FSTR))
 		//	force_val = IPO_GetFloatValue(ob->ipo, OB_PD_FSTR, scene->r.cfra);

source/blender/imbuf/intern/cineon/cineonlib.c

@@ -606,7 +606,6 @@ CineonFile*
 cineonOpenFromMem(unsigned char *mem, unsigned int size) {
 
 	CineonGenericHeader header;
-	int i;
 	
 	CineonFile* cineon = (CineonFile* )malloc(sizeof(CineonFile));
 	if (cineon == 0) {
@@ -670,8 +669,6 @@ cineonOpenFromMem(unsigned char *mem, unsigned int size) {
 		return 0;
 	}
 	cineon->pixelBufferUsed = 0;
-
-	i = cineon->imageOffset;
 	
 	if (logimage_fseek(cineon, cineon->imageOffset, SEEK_SET) != 0) {
 		if (verbose) d_printf("Couldn't seek to image data at %d\n", cineon->imageOffset);

source/blender/modifiers/intern/MOD_explode.c

@@ -518,14 +518,13 @@ static void remap_faces_23(DerivedMesh *dm, DerivedMesh *split, MFace *mf, int *
 
 static void remap_uvs_23(DerivedMesh *dm, DerivedMesh *split, int numlayer, int i, int cur, int c0, int c1, int c2)
 {
-	MTFace *mf, *df1, *df2, *df3;
+	MTFace *mf, *df1, *df2;
 	int l;
 
 	for(l=0; l<numlayer; l++) {
 		mf = CustomData_get_layer_n(&split->faceData, CD_MTFACE, l);
 		df1 = mf+cur;
 		df2 = df1 + 1;
-		df3 = df1 + 2;
 		mf = CustomData_get_layer_n(&dm->faceData, CD_MTFACE, l);
 		mf += i;
 

source/blender/windowmanager/intern/wm_init_exit.c

@@ -279,7 +279,7 @@ int WM_init_game(bContext *C)
 
 		/* full screen the area */
 		if(!sa->full) {
-			ED_screen_full_toggle(C, wm->windows.first, sa);
+			ED_screen_full_toggle(C, win, sa);
 		}
 
 		/* Fullscreen */