fix for checking char arrays against NULL, instead check their first character. also remove some dead code (return directly after return).

intern/smoke/CMakeLists.txt

@@ -95,7 +95,7 @@ endif()
 
 if(WITH_FFTW3)
 	add_definitions(-DWITH_FFTW3)
-	list(APPEND INC
+	list(APPEND INC_SYS
 		${FFTW3_INCLUDE_DIRS}
 	)
 endif()

source/blender/blenkernel/intern/smoke.c

@@ -2102,7 +2102,7 @@ static void update_flowsfluids(Scene *scene, Object *ob, SmokeDomainSettings *sd
 			/* sample subframes */
 			else {
 				int scene_frame = scene->r.cfra;
-				float scene_subframe = scene->r.subframe;
+				// float scene_subframe = scene->r.subframe;  // UNUSED
 				int subframe;
 				for (subframe = 0; subframe <= subframes; subframe++) {
 					EmissionMap em_temp = {0};

source/blender/blenlib/intern/fileops.c

@@ -199,7 +199,7 @@ bool BLI_file_touch(const char *file)
 {
 	FILE *f = BLI_fopen(file, "r+b");
 	if (f != NULL) {
-		char c = getc(f);
+		int c = getc(f);
 		rewind(f);
 		putc(c, f);
 	}

source/blender/editors/include/ED_armature.h

@@ -155,7 +155,7 @@ void undo_push_armature(struct bContext *C, const char *name);
 
 /* low level selection functions which handle */
 int  ED_armature_ebone_selectflag_get(const EditBone *ebone);
-void ED_armature_ebone_selectflag_set(EditBone *ebone, const int flag);
+void ED_armature_ebone_selectflag_set(EditBone *ebone, int flag);
 void ED_armature_ebone_select_set(EditBone *ebone, bool select);
 void ED_armature_ebone_selectflag_enable(EditBone *ebone, int flag);
 void ED_armature_ebone_selectflag_disable(EditBone *ebone, int flag);

source/blender/editors/object/object_add.c

@@ -226,7 +226,7 @@ float ED_object_new_primitive_matrix(bContext *C, Object *obedit,
 		return dia;
 	}
 
-	return 1.0f;
+	// return 1.0f;
 }
 
 /********************* Add Object Operator ********************/

source/blender/editors/render/render_internal.c

@@ -831,9 +831,10 @@ static void render_view3d_renderinfo_cb(void *rjp, RenderStats *rs)
 	RenderPreview *rp = rjp;
 
 	/* during render, rv3d->engine can get freed */
-	if (rp->rv3d->render_engine == NULL)
+	if (rp->rv3d->render_engine == NULL) {
 		*rp->stop = 1;
-	else if (rp->engine->text) {
+	}
+	else if (rp->engine->text[0]) {
 		make_renderinfo_string(rs, rp->scene, false, rp->engine->text);
 	
 		/* make jobs timer to send notifier */

source/blender/editors/space_clip/tracking_ops.c

@@ -420,7 +420,6 @@ static int mouse_on_slide_zone(SpaceClip *sc, MovieTrackingMarker *marker,
                                float padding, int width, int height)
 {
 	const float size = 12.0f;
-	int inside = 0;
 	float min[2], max[2];
 	float dx, dy;
 
@@ -445,8 +444,6 @@ static int mouse_on_slide_zone(SpaceClip *sc, MovieTrackingMarker *marker,
 
 	return IN_RANGE_INCL(co[0], slide_zone[0] - dx, slide_zone[0] + dx) &&
 	       IN_RANGE_INCL(co[1], slide_zone[1] - dy, slide_zone[1] + dy);
-
-	return inside;
 }
 
 static int mouse_on_corner(SpaceClip *sc, MovieTrackingMarker *marker,

source/blender/editors/space_outliner/outliner_select.c

@@ -704,7 +704,7 @@ static int tree_element_active_sequence_dup(Scene *scene, TreeElement *te, TreeS
 // XXX	select_single_seq(seq, 1);
 	p = ed->seqbasep->first;
 	while (p) {
-		if ((!p->strip) || (!p->strip->stripdata) || (!p->strip->stripdata->name)) {
+		if ((!p->strip) || (!p->strip->stripdata) || (p->strip->stripdata->name[0] == '\0')) {
 			p = p->next;
 			continue;
 		}

source/blender/editors/space_outliner/outliner_tree.c

@@ -957,7 +957,7 @@ static TreeElement *outliner_add_element(SpaceOops *soops, ListBase *lb, void *i
 	else if (type == TSE_SEQ_STRIP) {
 		Strip *strip = (Strip *)idv;
 
-		if (strip->dir)
+		if (strip->dir[0] != '\0')
 			te->name = strip->dir;
 		else
 			te->name = IFACE_("Strip None");
@@ -1171,7 +1171,7 @@ static void outliner_add_seq_dup(SpaceOops *soops, Sequence *seq, TreeElement *t
 
 	p = seq;
 	while (p) {
-		if ((!p->strip) || (!p->strip->stripdata) || (!p->strip->stripdata->name)) {
+		if ((!p->strip) || (!p->strip->stripdata) || (p->strip->stripdata->name[0] == '\0')) {
 			p = p->next;
 			continue;
 		}

source/blender/editors/space_sequencer/sequencer_edit.c

@@ -551,6 +551,7 @@ int seq_effect_find_selected(Scene *scene, Sequence *activeseq, int type, Sequen
 			}
 			if (seq1 == NULL) seq1 = seq2;
 			if (seq3 == NULL) seq3 = seq2;
+			/* fall-through */
 		case 2:
 			if (seq1 == NULL || seq2 == NULL) {
 				*error_str = N_("2 selected sequence strips are needed");

source/blender/editors/space_view3d/view3d_draw.c

@@ -3033,7 +3033,7 @@ static void view3d_main_area_draw_engine_info(View3D *v3d, RegionView3D *rv3d, A
 {
 	float fill_color[4] = {0.0f, 0.0f, 0.0f, 0.25f};
 
-	if (!rv3d->render_engine || !rv3d->render_engine->text)
+	if (!rv3d->render_engine || !rv3d->render_engine->text[0])
 		return;
 	
 	if (render_border) {