diff --git a/src/crc.c b/src/crc.c
index c618510..b0cbbb7 100644
--- a/src/crc.c
+++ b/src/crc.c
@@ -28,7 +28,8 @@ void CRCTable_Init() {
 }
 
 unsigned long CRC_BufferInternal(unsigned char *buffer, int len,
-	unsigned long crc) {
+	unsigned long crc)
+{
 	unsigned char *p;
 
 	// Calculate CRC from buffer
diff --git a/src/filenode.c b/src/filenode.c
index d83608e..cdbe799 100644
--- a/src/filenode.c
+++ b/src/filenode.c
@@ -7,30 +7,30 @@
 #include "fileutil.h"
 #include "filenode.h"
 
-FileNode *_free_filenode = NULL;
+FileNode *_freeFileNode = NULL;
 int _n_filenode = 0;
 #define FileNode_Block 1024
 FileNode *FileNode_Create() {
 	FileNode *fileNode;
 
-	if (_free_filenode == NULL) {
-		FileNode *nodos;
+	if (_freeFileNode == NULL) {
+		FileNode *nodes;
 		int i;
 		// Allocate a block
-		nodos = malloc(sizeof(FileNode) * FileNode_Block);
-		if (nodos == NULL) {
+		nodes = malloc(sizeof(FileNode) * FileNode_Block);
+		if (nodes == NULL) {
 			return NULL;
 		}
 		for (i = 0; i < FileNode_Block - 1; i++) {
-			nodos[i].next = &nodos[i + 1];
+			nodes[i].next = &nodes[i + 1];
 		}
-		nodos[FileNode_Block - 1].next = NULL;
-		_free_filenode = &nodos[0];
+		nodes[FileNode_Block - 1].next = NULL;
+		_freeFileNode = &nodes[0];
 	}
 
 	// Get first free
-	fileNode = _free_filenode;
-	_free_filenode = fileNode->next;
+	fileNode = _freeFileNode;
+	_freeFileNode = fileNode->next;
 	fileNode->next = NULL;
 	_n_filenode++;
 
@@ -50,7 +50,7 @@ FileNode *FileNode_Create() {
 }
 
 void FileNode_Delete(FileNode *fn) {
-
+	// Delete childs
 	FileNode *fileNodeChildAux = fn->child;
 	FileNode *fileNodeChild = fn->child;
 	while (fileNodeChild) {
@@ -64,98 +64,99 @@ void FileNode_Delete(FileNode *fn) {
 		}
 	}
 
-	fn->next = _free_filenode;
-	_free_filenode = fn;
+	// Queue freed node
+	fn->next = _freeFileNode;
+	_freeFileNode = fn;
 	_n_filenode--;
 }
 
-void FileNode_AddChild(FileNode *fileNode, FileNode *file2) {
-	if (!file2 || !fileNode)
+void FileNode_AddChild(FileNode *fileNode, FileNode *fileNodeChild) {
+	if (!fileNodeChild || !fileNode)
 		return;
-	file2->next = fileNode->child;
-	fileNode->child = file2;
+	fileNodeChild->next = fileNode->child;
+	fileNode->child = fileNodeChild;
 	fileNode->childCount++;
-	file2->parent = fileNode;
+	fileNodeChild->parent = fileNode;
 }
 
 void FileNode_SetStatusRec(FileNode *fileNode, FileStatus status) {
-	FileNode *fn_child;
+	FileNode *fileNodeChild;
 	fileNode->status = status;
-	fn_child = fileNode->child;
-	while (fn_child != NULL) {
-		FileNode_SetStatusRec(fn_child, status);
-		fn_child = fn_child->next;
+	fileNodeChild = fileNode->child;
+	while (fileNodeChild != NULL) {
+		FileNode_SetStatusRec(fileNodeChild, status);
+		fileNodeChild = fileNodeChild->next;
 	}
 }
 
-void FileNode_GetPath_Rec(FileNode *fileNode, char **pathnode) {
+void FileNode_GetPath_Rec(FileNode *fileNode, char **pathNode) {
 	if (fileNode->parent) {
-		pathnode[0] = fileNode->parent->name;
-		FileNode_GetPath_Rec(fileNode->parent, pathnode + 1);
+		pathNode[0] = fileNode->parent->name;
+		FileNode_GetPath_Rec(fileNode->parent, pathNode + 1);
 	}
 	else {
-		pathnode[0] = NULL;
+		pathNode[0] = NULL;
 	}
 }
-char temppath[MaxPath];
+char tempPath[MaxPath];
 char *FileNode_GetPath(FileNode *fileNode, char *path) {
-	char *pathnodes[MaxPath];
+	char *pathNodes[MaxPathNodes];
 	int levels, i;
-	char *pathptr = temppath;
-	if (path) { pathptr = path; }
+	char *pathPtr = tempPath;
+	if (path) { pathPtr = path; }
 
-	FileNode_GetPath_Rec(fileNode, pathnodes);
+	FileNode_GetPath_Rec(fileNode, pathNodes);
 	levels = 0;
-	while (pathnodes[levels]) {
+	while (pathNodes[levels]) {
 		levels++;
 	}
-	strcpy(pathptr, "");
+	strcpy(pathPtr, "");
 	for (i = levels - 1; i >= 0; i--) {
-		strcat(pathptr, pathnodes[i]);
-		strcat(pathptr, "/");
+		strcat(pathPtr, pathNodes[i]);
+		strcat(pathPtr, "/");
 	}
-	strcat(pathptr, fileNode->name);
-	return temppath;
+	strcat(pathPtr, fileNode->name);
+	return tempPath;
 }
 
 char *FileNode_GetFullPath(FileNode *fileNode, char *basePath, char *path) {
-	char *pathnodes[MaxPath];
+	char *pathNodes[MaxPath];
 	int levels, i;
-	char *pathptr = temppath;
+	char *pathPtr = tempPath;
 	if (path)
-		pathptr = path;
+		pathPtr = path;
 
-	FileNode_GetPath_Rec(fileNode, pathnodes);
+	FileNode_GetPath_Rec(fileNode, pathNodes);
 	levels = 0;
-	while (pathnodes[levels]) {
+	while (pathNodes[levels]) {
 		levels++;
 	}
-	strcpy(pathptr, basePath);
-	strcat(pathptr, "/");
+	strcpy(pathPtr, basePath);
+	strcat(pathPtr, "/");
 	for (i = levels - 2; i >= 0; i--) {
-		strcat(pathptr, pathnodes[i]);
-		strcat(pathptr, "/");
+		strcat(pathPtr, pathNodes[i]);
+		strcat(pathPtr, "/");
 	}
-	strcat(pathptr, fileNode->name);
-	return temppath;
+	strcat(pathPtr, fileNode->name);
+	return tempPath;
 }
 
-void FileNode_GetSize(FileNode *fileNode, char *file) {
+void FileNode_LoadSize(FileNode *fileNode, char *file) {
 	fileNode->flags |= FileFlag_HasSize;
 	fileNode->size = File_GetSize(file);
 }
 
-void FileNode_GetTime(FileNode *fileNode, char *file) {
+void FileNode_LoadTime(FileNode *fileNode, char *file) {
 	fileNode->flags |= FileFlag_HasTime;
 	fileNode->fileTime = FileTime_Get(file);
 }
 
-void FileNode_GetSizeAndTime(FileNode *fileNode, char *file) {
+void FileNode_LoadSizeAndTime(FileNode *fileNode, char *file) {
 	fileNode->flags |= FileFlag_HasSize | FileFlag_HasTime;
 	File_GetSizeAndTime(file, &fileNode->size, &fileNode->fileTime);
 }
 
-void FileNode_GetCRC(FileNode *fileNode, char *filePath) {
+void FileNode_LoadCRC(FileNode *fileNode, char *filePath) {
 	FILE *file;
 	file = fopen(filePath, "rb");
 	if (!file) {
@@ -172,9 +173,10 @@ void FileNode_SaveNode(FileNode *fileNode, FILE *file) {
 	// Write name
 	nameLen = (short)strlen(fileNode->name);
 	fwrite((void *)&nameLen, sizeof(nameLen), 1, file);
-	if (nameLen>0 && nameLen<MaxFilename) {
+	if (nameLen > 0 && nameLen < MaxFilename) {
 		fputs(fileNode->name, file);
-	} else {
+	}
+	else {
 		return;
 	}
 
@@ -408,13 +410,13 @@ FileNode *FileNode_Build(char *path) {
 	if (File_IsDirectory(path)) {
 		// Get information data from directories, and child files
 		fileNode->flags |= FileFlag_Directory;
-		FileNode_GetTime(fileNode, path);
+		FileNode_LoadTime(fileNode, path);
 		File_IterateDir(path, FileNode_Build_Iterate, fileNode);
 	}
 	else {
 		// Get information data from files
 		fileNode->flags |= FileFlag_Normal;
-		FileNode_GetSizeAndTime(fileNode, path);
+		FileNode_LoadSizeAndTime(fileNode, path);
 	}
 
 	return (fileNode);
diff --git a/src/filenode.h b/src/filenode.h
index 24d950f..a19e331 100644
--- a/src/filenode.h
+++ b/src/filenode.h
@@ -11,6 +11,7 @@
 #define FileFlag_HasSize 8
 #define FileFlag_HasTime 16
 #define FileFlag_HasCRC 32
+#define FileFlag_PlaceHolder 512
 #define FileFlag_MarkerForReview 1024
 
 typedef enum {
@@ -42,10 +43,10 @@ void FileNode_AddChild(FileNode *file, FileNode *file2);
 
 char *FileNode_GetFullPath(FileNode *fileNode, char *basePath, char *path);
 
-void FileNode_GetSize(FileNode *fileNode, char *file);
-void FileNode_GetTime(FileNode *fileNode, char *file);
-void FileNode_GetSizeAndTime(FileNode *fileNode, char *file);
-void FileNode_GetCRC(FileNode *fileNode, char *file);
+void FileNode_LoadSize(FileNode *fileNode, char *file);
+void FileNode_LoadTime(FileNode *fileNode, char *file);
+void FileNode_LoadSizeAndTime(FileNode *fileNode, char *file);
+void FileNode_LoadCRC(FileNode *fileNode, char *file);
 
 void FileNode_Save(FileNode *fileNode, char *fichero);
 FileNode *FileNode_Load(char *fichero);
diff --git a/src/filenodecmp.c b/src/filenodecmp.c
index b012204..988d7f6 100644
--- a/src/filenodecmp.c
+++ b/src/filenodecmp.c
@@ -52,7 +52,8 @@ void AccionFileNode_Destroy(ActionFileNode *actionFileNode) {
 }
 
 ActionFileNode *ActionFileNode_CreateNormal(FileNode *fileNodeLeft,
-	FileNode *fileNodeRight) {
+	FileNode *fileNodeRight)
+{
 	ActionFileNode *actionFileNode;
 	actionFileNode = ActionFileNode_Create();
 	actionFileNode->action = ActionFileCmp_Nothing;
@@ -65,7 +66,8 @@ ActionFileNode *ActionFileNode_CreateNormal(FileNode *fileNodeLeft,
 void AccionFileNode_CompareChilds(ActionFileNode *actionFileNodeRoot,
 	ActionFileNode **actionFileNodeQueue,
 	void(*CheckPair)(FileNode *fileNodeLeft, FileNode *fileNodeRight,
-		ActionFileNode **actionFileNodeQueue)) {
+		ActionFileNode **actionFileNodeQueue))
+{
 	FileNode *fileNodeLeft;
 	FileNode *fileNodeRight;
 	FileNode *fileNodeRightQueue;
@@ -151,7 +153,8 @@ void AccionFileNode_CompareChilds(ActionFileNode *actionFileNodeRoot,
 }
 
 void AccionFileNode_DeletePair(FileNode *fileNodeLeft, FileNode *fileNodeRight,
-	ActionFileNode **actionFileNodeQueue) {
+	ActionFileNode **actionFileNodeQueue)
+{
 	ActionFileNode *actionFileNodeNew = ActionFileNode_CreateNormal(
 		fileNodeLeft, fileNodeRight);
 
@@ -224,7 +227,8 @@ void AccionFileNode_DeletePair(FileNode *fileNodeLeft, FileNode *fileNodeRight,
 }
 
 void AccionFileNode_CheckPair(FileNode *fileNodeLeft, FileNode *fileNodeRight,
-	ActionFileNode **actionFileNodeQueue) {
+	ActionFileNode **actionFileNodeQueue)
+{
 	ActionFileNode *actionFileNodeNew = ActionFileNode_CreateNormal(
 		fileNodeLeft, fileNodeRight);
 
@@ -300,11 +304,12 @@ void AccionFileNode_CheckPair(FileNode *fileNodeLeft, FileNode *fileNodeRight,
 	}
 	if (fileNodeLeft && fileNodeRight) {
 		if ((fileNodeLeft->flags & FileFlag_Directory)
-			&& (fileNodeRight->flags & FileFlag_Directory)) {
+			&& (fileNodeRight->flags & FileFlag_Directory))
+		{
 			// Directory
 
 			// Prepare action for directory pair
-			if (abs((int)(fileNodeLeft->fileTime - fileNodeRight->fileTime)) <= maxDeltaTime) { // appoximadamente iguales
+			if (abs((int)(fileNodeLeft->fileTime - fileNodeRight->fileTime)) <= maxDeltaTime) { // aprox. equal
 				if (fileNodeRight->status == FileStatus_Deleted
 					&& fileNodeLeft->status == FileStatus_Deleted) {
 					actionFileNodeNew->action = ActionFileCmp_Nothing;
@@ -360,7 +365,8 @@ void AccionFileNode_CheckPair(FileNode *fileNodeLeft, FileNode *fileNodeRight,
 			QueueNode(*actionFileNodeQueue, actionFileNodeNew);
 		}
 		else if ((fileNodeLeft->flags & FileFlag_Normal)
-			&& (fileNodeRight->flags & FileFlag_Normal)) {
+			&& (fileNodeRight->flags & FileFlag_Normal))
+		{
 			// Files
 
 			// Prepare action for file pair
@@ -425,7 +431,8 @@ ActionFileNode *ActionFileNode_BuildSync(FileNode *izquierda, FileNode *derecha)
 }
 
 void AccionFileNode_Copy(FileNode *fileNodeLeft, FileNode *fileNodeRight,
-	ActionFileNode **actionFileNodeQueue) {
+	ActionFileNode **actionFileNodeQueue) 
+{
 	ActionFileNode *actionFileNodeNew = ActionFileNode_CreateNormal(
 		fileNodeLeft, fileNodeRight);
 
@@ -470,7 +477,8 @@ void AccionFileNode_Copy(FileNode *fileNodeLeft, FileNode *fileNodeRight,
 	}
 	if (fileNodeLeft && fileNodeRight) {
 		if ((fileNodeLeft->flags & FileFlag_Directory)
-			|| (fileNodeRight->flags & FileFlag_Directory)) {
+			|| (fileNodeRight->flags & FileFlag_Directory)) 
+		{
 			if (fileNodeLeft->status != FileStatus_Deleted) {
 				AccionFileNode_CompareChilds(actionFileNodeNew,
 					actionFileNodeQueue, AccionFileNode_Copy);
@@ -493,7 +501,8 @@ void AccionFileNode_Copy(FileNode *fileNodeLeft, FileNode *fileNodeRight,
 		else {
 			if (fileNodeLeft->status != FileStatus_Deleted) {
 				if (abs((int)(fileNodeLeft->fileTime - fileNodeRight->fileTime))
-					<= maxDeltaTime) { // appox. equal
+					<= maxDeltaTime) 
+				{
 					actionFileNodeNew->action = ActionFileCmp_Nothing;
 				}
 				else {
@@ -521,7 +530,8 @@ ActionFileNode *ActionFileNode_BuildCopy(FileNode *fileNodeLeft,
 }
 
 void ActionFileNode_Statistics(ActionFileNode *actionFileNode,
-	ActionQueueStatistics *statistics) {
+	ActionQueueStatistics *statistics) 
+{
 	statistics->readLeft = 0;
 	statistics->writeLeft = 0;
 	statistics->readRight = 0;
@@ -645,7 +655,8 @@ void AccionFileNodeAux_MakeDir(char *pathOrig, char *pathDest) {
 }
 
 void ActionFileNode_RunList(ActionFileNode *actionFileNode, char *pathLeft,
-	char *pathRight) {
+	char *pathRight) 
+{
 	char fullPathLeft[MaxPath], fullPathRight[MaxPath], showPath[MaxPath];
 	while (actionFileNode != NULL) {
 		if (actionFileNode->left) {
diff --git a/src/fileutil.h b/src/fileutil.h
index 4a24858..4c82b4f 100644
--- a/src/fileutil.h
+++ b/src/fileutil.h
@@ -12,8 +12,9 @@ void FileTime_Print(FileTime t);
 
 ///////////////////////////////////////////////
 // File
-#define MaxPath 4096
 #define MaxFilename 2048
+#define MaxPath 4096
+#define MaxPathNodes 512
 
 void File_GetName(char *path, char *name);
 
diff --git a/src/main.c b/src/main.c
index 0111aec..1531cc3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -45,7 +45,7 @@ int main(int argc, char *argv[]) {
 		for (i = 2; i < argc; i++) {
 			if (File_ExistsPath(argv[i])) {
 				FileNode *fileNode = FileNode_Build(argv[i]);
-				FileNode_GetCRC(fileNode, argv[i]);
+				FileNode_LoadCRC(fileNode, argv[i]);
 				FileNode_PrintNode(fileNode);
 			}
 		}
diff --git a/src/util.c b/src/util.c
index d4ffc0e..7b7a470 100644
--- a/src/util.c
+++ b/src/util.c
@@ -23,14 +23,14 @@ char *String_Copy(char *str) {
 // Time_GetTime
 //
 // Gets the current time in usecs. WIN32 version.
-long long Time_GetTime(){
+long long Time_GetTime() {
 	LARGE_INTEGER freq;
 	LARGE_INTEGER tim;
 	long long int microt;
 
 	QueryPerformanceFrequency(&freq);
 	QueryPerformanceCounter(&tim);
-	microt=(tim.QuadPart*1000000)/freq.QuadPart;
+	microt = (tim.QuadPart * 1000000) / freq.QuadPart;
 	return(microt);
 }
 
@@ -38,31 +38,32 @@ long long Time_GetTime(){
 // Time_Pause
 //
 // Pauses the execution for t usecs. WIN32 version.
-void Time_Pause(int pausa){
-	long long tend,t,diff;
+void Time_Pause(int pausa) {
+	long long tend, t, diff;
 
-	t=Time_GetTime();
-	tend=t+pausa;
-	do{
-		diff=tend-t;
-		if(diff>1000){
-			Sleep((int)diff/1000);
-		}else{
+	t = Time_GetTime();
+	tend = t + pausa;
+	do {
+		diff = tend - t;
+		if (diff > 1000) {
+			Sleep((int)diff / 1000);
+		}
+		else {
 			Sleep(0);
 		}
-		t=Time_GetTime();
-	}while(tend>=t);
+		t = Time_GetTime();
+	} while (tend >= t);
 }
 #else
 /////////////////////////////
 // Time_GetTime
 //
 // Gets the current time in usecs. UNIX version.
-long long Time_GetTime(){
+long long Time_GetTime() {
 	struct timeval t;
 	long long usecs;
-	gettimeofday(&t,NULL);
-	usecs=(t.tv_sec*1000000ll)+(t.tv_usec);
+	gettimeofday(&t, NULL);
+	usecs = (t.tv_sec * 1000000ll) + (t.tv_usec);
 	return(usecs);
 }
 
@@ -70,22 +71,22 @@ long long Time_GetTime(){
 // Time_Pause
 //
 // Pauses the execution for t usecs. UNIX version.
-void Time_Pause(int pausa){
+void Time_Pause(int pausa) {
 	struct timeval tv;
-	tv.tv_sec=(long long)pausa/1000000;
-	tv.tv_usec=(long long)pausa%1000000;
+	tv.tv_sec = (long long)pausa / 1000000;
+	tv.tv_usec = (long long)pausa % 1000000;
 	select(0, NULL, NULL, NULL, &tv);
 }
 #endif // if WIN32
 
 
-int printff(char *fmt, ...){
+int printff(char *fmt, ...) {
 	va_list ap;
 	int n;
 
 	// Print
-	va_start(ap,fmt);
-	n=vprintf(fmt,ap);
+	va_start(ap, fmt);
+	n = vprintf(fmt, ap);
 	va_end(ap);
 
 	// Flush