diff --git a/src/main.c b/src/main.c
index 301caa0..19c1e80 100644
--- a/src/main.c
+++ b/src/main.c
@@ -54,14 +54,17 @@ int main(int argc, char *argv[]) {
     // loads and read the config file
     //gets the size
     fseek(f, 0, SEEK_END);
-    long size = ftell(f);
+    size_t size = ftell(f);
     rewind(f);
     //gets the data
     char *data = malloc(size+1);
     error(!data, "program", "malloc failed allocating memory for the variable data.");
     size_t readBytes = fread(data, 1, size, f); // 1 --> size of each item
     
-    if (readBytes!=size) {free(data);fclose(f);}
+    if (readBytes!=size) {
+      free(data);
+      fclose(f);
+    }
     error(readBytes!=size, "program", "Failed to read config file (%s) (%zu bytes read, expected %ld)", configPath, readBytes, size);
     data[size] = '\0';
     fclose(f);
@@ -277,7 +280,7 @@ int main(int argc, char *argv[]) {
       // select a vault
       char *vaultSelected = NULL;
 
-      size_t vaultsCount = 0;
+      int vaultsCount = 0;
       char **vaultsArray = getVaultsFromDirectory(notesDirectoryString, &vaultsCount, shouldDebug);
 
       // bypass if -v or --vault is set
@@ -298,7 +301,7 @@ int main(int argc, char *argv[]) {
       qsort(vaultsArray, vaultsCount, sizeof(const char *), compareString); // sorts the vaults alphabetically
       debug("Available vaults");
       if (shouldDebug) {
-        for (size_t i = 0; i < vaultsCount; i++) {
+        for (int i = 0; i < vaultsCount; i++) {
           altDebug("%s\n", vaultsArray[i]);
         }
         altDebug("└ ------------------------------\n");
@@ -344,7 +347,7 @@ note_selection:
           filesCount = filesCount + journalCount;
           debug("Available notes and journals:");
           if (shouldDebug) {
-            for (size_t i = 0; i < filesCount; i++) {
+            for (int i = 0; i < filesCount; i++) {
               altDebug("%s\n", filesArray[i]);
             }
             altDebug("└------------------------------\n");
@@ -413,7 +416,7 @@ note_creation:
               char pathToRMRF[PATH_MAX];
               sprintf(pathToRMRF, "%s/%s", notesDirectoryString, vaultSelected);
               debug("Removed the directory: %s", pathToRMRF);
-              rmrf(pathToRMRF);
+              rmrf(pathToRMRF, shouldDebug);
               shouldChangeVault = 1;
             }
           } else if (strcmp(noteSelected,"Quit (Ctrl+C)") == 0) {
diff --git a/src/notes.c b/src/notes.c
index 720aeae..f49580c 100644
--- a/src/notes.c
+++ b/src/notes.c
@@ -10,7 +10,7 @@ char **getJournalsFromVault(char *pathToVault, char *vault, char *journalRegex,
     DIR *vaultDirectory = opendir(tempPath);
     error(vaultDirectory==NULL, "program", "Could not open directory %s", tempPath);
     char **journalsArray = NULL; // will contain all the notes
-    size_t journalsCount = 0; // we need to count how many notes there is to always readjust how many memory we alloc
+    int journalsCount = 0; // we need to count how many notes there is to always readjust how many memory we alloc
     
     // https://stackoverflow.com/a/1085120 for regex code
     regex_t regex;
@@ -57,7 +57,7 @@ char** getNotesFromVault(char *pathToVault, char *vault, char *journalRegex, int
     DIR *vaultDirectory = opendir(tempPath);
     error(vaultDirectory==NULL, "program", "Could not open directory %s", tempPath);
     char **notesArray = NULL; // will contain all the notes
-    size_t notesCount = 0; // we need to count how many notes there is to always readjust how many memory we alloc
+    int notesCount = 0; // we need to count how many notes there is to always readjust how many memory we alloc
     // Refer https://pubs.opengroup.org/onlinepubs/7990989775/xsh/readdir.html
     // for readdir()
     debug("┌------------------------------\nDetected Files and dirs from the vault:");
@@ -91,7 +91,7 @@ char** getNotesFromVault(char *pathToVault, char *vault, char *journalRegex, int
     return notesArray;
 }
 
-char **getVaultsFromDirectory(char *dirString, size_t *count, int shouldDebug) { 
+char **getVaultsFromDirectory(char *dirString, int *count, int shouldDebug) { 
     // (TODO LATER) it might be a good idea to check if these directories exist
     // (TODO LATER) expand ~ as it does not work with opendir()
     // this function is inputed a path to a directory (which comes usually from the config file) and outpus all the suitable directories (so not the hidden ones) which will serve as separate vaults for notes
@@ -101,7 +101,7 @@ char **getVaultsFromDirectory(char *dirString, size_t *count, int shouldDebug) {
     DIR *vaultsDirectory = opendir(dirString);
     error(vaultsDirectory==NULL, "program", "Could not open directory %s", dirString);
     char **dirsArray = NULL; // will contain all the dirs/vaults
-    size_t dirsCount = 0; // we need to count how many dirs there is to always readjust how many memory we alloc
+    int dirsCount = 0; // we need to count how many dirs there is to always readjust how many memory we alloc
     // Refer https://pubs.opengroup.org/onlinepubs/7990989775/xsh/readdir.html
     // for readdir()
     debug("┌------------------------------\n Detected files and dirs from the directory:");
@@ -166,7 +166,7 @@ char *updateJournal(char *path, char *journal, char *timeFormat, int shouldDebug
       snprintf(createEntryMessage, PATH_MAX, "Create new entry for the journal %s", journal);
       entryArray[0] = createEntryMessage;
       entryArray[1] = "Open random entry";
-      size_t entryCount = extraOptions; // we need to count how many dirs there is to always readjust how many memory we alloc
+      int entryCount = extraOptions; // we need to count how many dirs there is to always readjust how many memory we alloc
       // Refer https://pubs.opengroup.org/onlinepubs/7990989775/xsh/readdir.html
       // for readdir()
       debug("┌------------------------------\n Detected files and dirs from %s:", path);
diff --git a/src/notes.h b/src/notes.h
index 2d772a2..9bd6b57 100644
--- a/src/notes.h
+++ b/src/notes.h
@@ -10,7 +10,7 @@ char **getJournalsFromVault(char *pathToVault, char *vault, char *journalRegex,
 // journalRegex is the regex code for the journals. If a note matches this code, it is treated as a journal and it is not outputed from this function.
 char **getNotesFromVault(char *pathToVault, char *vault, char *journalRegex, int *count, int shouldDebug);
 // this function is inputed a path to a directory (which comes usually from the config file) and outpus all the suitable directories (so not the hidden ones) which will serve as separate vaults for notes.
-char **getVaultsFromDirectory(char *dirString, size_t *count, int shouldDebug);
+char **getVaultsFromDirectory(char *dirString, int *count, int shouldDebug);
 // path is the path to the file.
 // journal is the name of the file.
 // handles both type of journal (divided and unified).
diff --git a/src/ui.c b/src/ui.c
index 2c9eb8c..5e0b1ff 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -145,7 +145,7 @@ char *createNewNote(char dirToVault[PATH_MAX], char *vaultFromDir, int bypass, c
   return fileName;
 }
 
-char* ncursesSelect(char **options, char *optionsText, size_t optionsNumber, size_t extraOptionsNumber, char *bottomText, char *middleText, char *topText, int shouldDebug) {
+char* ncursesSelect(char **options, char *optionsText, int optionsNumber, int extraOptionsNumber, char *bottomText, char *middleText, char *topText, int shouldDebug) {
     int highlight = 0; //curently highlighted option
     int key;
 
@@ -221,5 +221,7 @@ char* ncursesSelect(char **options, char *optionsText, size_t optionsNumber, siz
     }
     end_loop:
     endwin(); // end ncurses mode
+    fflush(stderr);
+    debug("Selected option: %s", options[highlight]);
     return options[highlight];
 }
diff --git a/src/ui.h b/src/ui.h
index b95579e..f61e169 100644
--- a/src/ui.h
+++ b/src/ui.h
@@ -36,5 +36,5 @@ middleText (usally \n) is printed between options and extraOptions.
 bottomText is printed bellow. 
 topText and middle must be exactly one line. If you want empty lines use " " and not "". 
 returns the selected option. */ 
-char* ncursesSelect(char **options, char *optionsText, size_t optionsNumber, size_t extraOptionsNumber, char *bottomText, char *middleText, char *topText, int debug);
+char* ncursesSelect(char **options, char *optionsText, int optionsNumber, int extraOptionsNumber, char *bottomText, char *middleText, char *topText, int debug);
 #endif
diff --git a/src/utils.c b/src/utils.c
index 415a21b..a6afaa1 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -102,8 +102,8 @@ static void ensureDir(const char *path, const int shouldDebug) {
 }
 
 void initAppFilesAndDirs(const char *home, const int shouldDebug) {
-    char config_dir[512];
-    char cache_dir[512];
+    char config_dir[PATH_MAX];
+    char cache_dir[PATH_MAX];
 
     snprintf(config_dir, sizeof(config_dir),
              "%s/.config/notewrapper", home);
@@ -114,9 +114,8 @@ void initAppFilesAndDirs(const char *home, const int shouldDebug) {
     ensureDir(config_dir, shouldDebug);
     ensureDir(cache_dir, shouldDebug);
 
-    char config_file[512];
-    snprintf(config_file, sizeof(config_file),
-             "%s/config.json", config_dir);
+    char config_file[PATH_MAX+12];
+    snprintf(config_file, sizeof(config_file), "%s/config.json", config_dir);
 
     FILE *f = fopen(config_file, "r");
     if (f) {
@@ -288,7 +287,7 @@ void appendToFile(const char *path, const char *string, const int shouldDebug) {
 }
 
 void sanitize(char *string) {
-  for (int i = 0; i < strlen(string); i++) {
+  for (size_t i = 0; i < strlen(string); i++) {
     if ((!isalnum((unsigned char)string[i]) && strchr("/\\:*?\"\'<>\n\r\t", string[i])) || ((i == 0 || i == 1) && string[i] == '.')) { // replace unwanted chars by '_'. '.' is replaced if it is only the first two chars
                                                                                                                     // (TODO LATER fixe case where it "*.*", "..." and so on
         string[i] = '_';
@@ -302,15 +301,19 @@ void sanitize(char *string) {
 // so it walks the file tree and deletes it's content before removing the directory
 // (TODO LATER) this seems safe, but it's maybe a good idea to add some checks to not remove something it should not remove
 int unlink_cb(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf) {
+  (void)sb;
+  (void)typeflag;
+  (void)ftwbuf;
+
   int shouldDebug = 1; //normally shouldDebug should be passed to the function. However, it's to difficult here and the best it to set it to 1.
   int rv = remove(fpath);
   error(rv, "program", "remove() failed to delete %s", fpath);
   return rv;
 }
 
-int rmrf(char *path) {
-  // (TODO LATER) Check if it not a root directory or something like this 
-    return nftw(path, unlink_cb, 64, FTW_DEPTH | FTW_PHYS);
+int rmrf(char *path, int shouldDebug) {
+  error(strcmp(path, "/") == 0, "program", "Refusing to delete root directory");
+  return nftw(path, unlink_cb, 64, FTW_DEPTH | FTW_PHYS);
 }
 
 
diff --git a/src/utils.h b/src/utils.h
index e886c42..9fc070a 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -17,6 +17,7 @@
 #include <regex.h>
 #include <errno.h> 
 #include <time.h>
+#include <ftw.h>
 #define BUFFER_SIZE 256 //standard buffer size.
 // the three supported values are "daily" "weekly" and "monthly" (for months we use the avarage lenght of a month in a non leap year). All values were calculated on my loyal TI-30 ECO RS
 #define DAILY 86400
@@ -65,7 +66,7 @@ void appendToFile(const char *path, const char *string, const int shouldDebug);
 void sanitize(char *string);
 //from https://stackoverflow.com/a/5467788.
 //deletes an entire directory. Use with parsimony and carefullness.
-int rmrf(char *path);
+int rmrf(char *path, int shouldDebug);
 // Inputs are the path to the file, the editor to open and some rendering option.
 // render: if we render the .md file with Vivify.
 // shouldJumpToEndOfFile: if we put the cursor at the end of the file when opening.