C++11 cleanup on constructors (#6000)

* C++11 cleanup on constructors dir script

src/util/areastore.cpp

@@ -58,7 +58,7 @@ const Area *AreaStore::getArea(u32 id) const
 {
 	AreaMap::const_iterator it = areas_map.find(id);
 	if (it == areas_map.end())
-		return NULL;
+		return nullptr;
 	return &it->second;
 }
 
@@ -239,7 +239,7 @@ bool SpatialAreaStore::insertArea(Area *a)
 	if (!areas_map.insert(std::make_pair(a->id, *a)).second)
 		// ID is not unique
 		return false;
-	m_tree->insertData(0, NULL, get_spatial_region(a->minedge, a->maxedge), a->id);
+	m_tree->insertData(0, nullptr, get_spatial_region(a->minedge, a->maxedge), a->id);
 	invalidateCache();
 	return true;
 }

src/util/areastore.h

@@ -38,14 +38,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 
 struct Area {
-	Area() : id(U32_MAX) {}
+	Area() {}
 	Area(const v3s16 &mine, const v3s16 &maxe) :
-		id(U32_MAX), minedge(mine), maxedge(maxe)
+		minedge(mine), maxedge(maxe)
 	{
 		sortBoxVerticies(minedge, maxedge);
 	}
 
-	u32 id;
+	u32 id = U32_MAX;
 	v3s16 minedge, maxedge;
 	std::string data;
 };
@@ -54,10 +54,7 @@ struct Area {
 class AreaStore {
 public:
 	AreaStore() :
-		m_cache_enabled(true),
-		m_cacheblock_radius(64),
-		m_res_cache(1000, &cacheMiss, this),
-		m_next_id(0)
+		m_res_cache(1000, &cacheMiss, this)
 	{}
 
 	virtual ~AreaStore() {}
@@ -123,13 +120,13 @@ private:
 	/// Called by the cache when a value isn't found in the cache.
 	static void cacheMiss(void *data, const v3s16 &mpos, std::vector<Area *> *dest);
 
-	bool m_cache_enabled;
+	bool m_cache_enabled = true;
 	/// Range, in nodes, of the getAreasForPos cache.
 	/// If you modify this, call invalidateCache()
-	u8 m_cacheblock_radius;
+	u8 m_cacheblock_radius = 64;
 	LRUCache<v3s16, std::vector<Area *> > m_res_cache;
 
-	u32 m_next_id;
+	u32 m_next_id = 0;
 };
 
 
@@ -165,8 +162,8 @@ protected:
 	virtual void getAreasForPosImpl(std::vector<Area *> *result, v3s16 pos);
 
 private:
-	SpatialIndex::ISpatialIndex *m_tree;
-	SpatialIndex::IStorageManager *m_storagemanager;
+	SpatialIndex::ISpatialIndex *m_tree = nullptr;
+	SpatialIndex::IStorageManager *m_storagemanager = nullptr;
 
 	class VectorResultVisitor : public SpatialIndex::IVisitor {
 	public:
@@ -194,8 +191,8 @@ private:
 		}
 
 	private:
-		SpatialAreaStore *m_store;
-		std::vector<Area *> *m_result;
+		SpatialAreaStore *m_store = nullptr;
+		std::vector<Area *> *m_result = nullptr;
 	};
 };
 

src/util/auth.cpp

@@ -71,7 +71,7 @@ std::string generate_srp_verifier(const std::string &name,
 	// get modified if &salt_ptr isn't NULL.
 	char *salt_ptr = (char *)salt.c_str();
 
-	char *bytes_v = NULL;
+	char *bytes_v = nullptr;
 	size_t verifier_len = 0;
 	gen_srp_v(name, password, &salt_ptr, &salt_len, &bytes_v, &verifier_len);
 	std::string verifier = std::string(bytes_v, verifier_len);
@@ -84,9 +84,9 @@ void generate_srp_verifier_and_salt(const std::string &name,
 	const std::string &password, std::string *verifier,
 	std::string *salt)
 {
-	char *bytes_v = NULL;
+	char *bytes_v = nullptr;
 	size_t verifier_len;
-	char *salt_ptr = NULL;
+	char *salt_ptr = nullptr;
 	size_t salt_len;
 	gen_srp_v(name, password, &salt_ptr, &salt_len, &bytes_v, &verifier_len);
 	*verifier = std::string(bytes_v, verifier_len);

src/util/enriched_string.cpp

@@ -30,8 +30,7 @@ EnrichedString::EnrichedString()
 EnrichedString::EnrichedString(const std::wstring &string,
 		const std::vector<SColor> &colors):
 	m_string(string),
-	m_colors(colors),
-	m_has_background(false)
+	m_colors(colors)
 {}
 
 EnrichedString::EnrichedString(const std::wstring &s, const SColor &color)

src/util/enriched_string.h

@@ -84,7 +84,7 @@ public:
 private:
 	std::wstring m_string;
 	std::vector<irr::video::SColor> m_colors;
-	bool m_has_background;
+	bool m_has_background = false;
 	irr::video::SColor m_background;
 };
 

src/util/numeric.h

@@ -282,7 +282,7 @@ inline aabb3f getNodeBox(v3s16 p, float d)
 class IntervalLimiter
 {
 public:
-	IntervalLimiter() : m_accumulator(0) {}
+	IntervalLimiter() {}
 	/*
 		dtime: time from last call to this method
 		wanted_interval: interval wanted
@@ -300,7 +300,7 @@ public:
 	}
 
 private:
-	float m_accumulator;
+	float m_accumulator = 0.0f;
 };
 
 

src/util/pointedthing.cpp

@@ -23,16 +23,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "../exceptions.h"
 #include <sstream>
 
-PointedThing::PointedThing():
-	type(POINTEDTHING_NOTHING),
-	node_undersurface(0,0,0),
-	node_abovesurface(0,0,0),
-	node_real_undersurface(0,0,0),
-	intersection_point(0,0,0),
-	intersection_normal(0,0,0),
-	object_id(-1)
-{}
-
 std::string PointedThing::dump() const
 {
 	std::ostringstream os(std::ios::binary);

src/util/pointedthing.h

@@ -36,7 +36,7 @@ enum PointedThingType
 struct PointedThing
 {
 	//! The type of the pointed object.
-	PointedThingType type;
+	PointedThingType type = POINTEDTHING_NOTHING;
 	/*!
 	 * Only valid if type is POINTEDTHING_NODE.
 	 * The coordinates of the node which owns the
@@ -74,9 +74,9 @@ struct PointedThing
 	 * Only valid if type is POINTEDTHING_OBJECT.
 	 * The ID of the object the ray hit.
 	 */
-	s16 object_id;
+	s16 object_id = -1;
 
-	PointedThing();
+	PointedThing() {};
 	std::string dump() const;
 	void serialize(std::ostream &os) const;
 	void deSerialize(std::istream &is);

src/util/serialize.cpp

@@ -422,7 +422,7 @@ bool deSerializeStringToStruct(std::string valstr,
 
 	char *fmtpos, *fmt = &format[0];
 	while ((f = strtok_r(fmt, ",", &fmtpos)) && s) {
-		fmt = NULL;
+		fmt = nullptr;
 
 		bool is_unsigned = false;
 		int width = 0;
@@ -510,7 +510,7 @@ bool deSerializeStringToStruct(std::string valstr,
 				bufpos += sizeof(std::string *);
 				strs_alloced.push_back(str);
 
-				s = *snext ? snext + 1 : NULL;
+				s = *snext ? snext + 1 : nullptr;
 				break;
 			case 'v':
 				while (*s == ' ' || *s == '\t')
@@ -582,7 +582,7 @@ bool serializeStructToString(std::string *out,
 	char *bufpos = (char *) value;
 	char *fmtpos, *fmt = &format[0];
 	while ((f = strtok_r(fmt, ",", &fmtpos))) {
-		fmt = NULL;
+		fmt = nullptr;
 		bool is_unsigned = false;
 		int width = 0;
 		char valtype = *f;

src/util/serialize.h

@@ -454,8 +454,7 @@ class BufReader {
 public:
 	BufReader(const u8 *data_, size_t size_) :
 		data(data_),
-		size(size_),
-		pos(0)
+		size(size_)
 	{
 	}
 
@@ -515,7 +514,7 @@ public:
 
 	const u8 *data;
 	size_t size;
-	size_t pos;
+	size_t pos = 0;
 };
 
 #undef MAKE_BUFREADER_GET_FXN

src/util/sha1.cpp

@@ -66,15 +66,6 @@ SHA1::SHA1()
 {
 	// make sure that the data type is the right size
 	assert( sizeof( Uint32 ) * 5 == 20 );
-	
-	// initialize
-	H0 = 0x67452301;
-	H1 = 0xefcdab89;
-	H2 = 0x98badcfe;
-	H3 = 0x10325476;
-	H4 = 0xc3d2e1f0;
-	unprocessedBytes = 0;
-	size = 0;
 }
 
 // Destructor ********************************************************

src/util/sha1.h

@@ -31,10 +31,14 @@ class SHA1
 {
 private:
 	// fields
-	Uint32 H0, H1, H2, H3, H4;
+	Uint32 H0 = 0x67452301;
+	Uint32 H1 = 0xefcdab89;
+	Uint32 H2 = 0x98badcfe;
+	Uint32 H3 = 0x10325476;
+	Uint32 H4 = 0xc3d2e1f0;
 	unsigned char bytes[64];
-	int unprocessedBytes;
-	Uint32 size;
+	int unprocessedBytes = 0;
+	Uint32 size = 0;
 	void process();
 
 public:

src/util/timetaker.cpp

@@ -27,7 +27,6 @@ TimeTaker::TimeTaker(const std::string &name, u64 *result, TimePrecision prec)
 {
 	m_name = name;
 	m_result = result;
-	m_running = true;
 	m_precision = prec;
 	m_time1 = porting::getTime(prec);
 }
@@ -36,7 +35,7 @@ u64 TimeTaker::stop(bool quiet)
 {
 	if (m_running) {
 		u64 dtime = porting::getTime(m_precision) - m_time1;
-		if (m_result != NULL) {
+		if (m_result != nullptr) {
 			(*m_result) += dtime;
 		} else {
 			if (!quiet) {

src/util/timetaker.h

@@ -30,7 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 class TimeTaker
 {
 public:
-	TimeTaker(const std::string &name, u64 *result=NULL,
+	TimeTaker(const std::string &name, u64 *result=nullptr,
 		TimePrecision prec=PRECISION_MILLI);
 
 	~TimeTaker()
@@ -45,9 +45,9 @@ public:
 private:
 	std::string m_name;
 	u64 m_time1;
-	bool m_running;
+	bool m_running = true;
 	TimePrecision m_precision;
-	u64 *m_result;
+	u64 *m_result = nullptr;
 };
 
 #endif