Get rid of createDirectory and make fileWrite handle directory tree creation

source/config.c

@@ -56,14 +56,10 @@ void writeConfig(const char *configPath, u32 configTemp)
         configData.formatVersionMajor = CONFIG_VERSIONMAJOR;
         configData.formatVersionMinor = CONFIG_VERSIONMINOR;
 
-        if(!fileWrite(&configData, configPath, sizeof(cfgData)))
-        {
-            createDirectory("luma");
         if(!fileWrite(&configData, configPath, sizeof(cfgData)))
             error("Error writing the configuration file");
     }
 }
-}
 
 void configMenu(bool oldPinStatus)
 {

source/fs.c

@@ -64,7 +64,9 @@ bool fileWrite(const void *buffer, const char *path, u32 size)
 {
     FIL file;
 
-    if(f_open(&file, path, FA_WRITE | FA_OPEN_ALWAYS) == FR_OK)
+    FRESULT result = f_open(&file, path, FA_WRITE | FA_OPEN_ALWAYS);
+
+    if(result == FR_OK)
     {
         unsigned int written;
         f_write(&file, buffer, size, &written);
@@ -72,8 +74,21 @@ bool fileWrite(const void *buffer, const char *path, u32 size)
 
         return true;
     }
+    else if(result == FR_NO_PATH)
+    {
+        char folder[256];
 
-    return false;
+        for(u32 i = 1; path[i] != 0; i++)
+           if(path[i] == '/')
+           {
+                memcpy(folder, path, i);
+                folder[i] = 0;
+                f_mkdir(folder);
+           }
+
+        return fileWrite(buffer, path, size);
+    }
+    else return false;
 }
 
 void fileDelete(const char *path)
@@ -81,11 +96,6 @@ void fileDelete(const char *path)
     f_unlink(path);
 }
 
-void createDirectory(const char *path)
-{
-    f_mkdir(path);
-}
-
 void loadPayload(u32 pressed)
 {
     const char *pattern;

source/fs.h

@@ -33,6 +33,5 @@ u32 fileRead(void *dest, const char *path);
 u32 getFileSize(const char *path);
 bool fileWrite(const void *buffer, const char *path, u32 size);
 void fileDelete(const char *path);
-void createDirectory(const char *path);
 void loadPayload(u32 pressed);
 u32 firmRead(void *dest, u32 firmType);

source/pin.c

@@ -95,13 +95,9 @@ void newPin(bool allowSkipping)
     computePinHash(tmp, enteredPassword, (PIN_LENGTH + 15) / 16);
     memcpy(pin.hash, tmp, 32);
 
-    if(!fileWrite(&pin, "/luma/pin.bin", sizeof(PINData)))
-    {
-        createDirectory("luma");
     if(!fileWrite(&pin, "/luma/pin.bin", sizeof(PINData)))
         error("Error writing the PIN file");
 }
-}
 
 bool verifyPin(void)
 {