From 7e2d6222eeea6cfd4f51b10b781f0e8efbd64c37 Mon Sep 17 00:00:00 2001
From: Luc <8822552+luc-github@users.noreply.github.com>
Date: Mon, 21 Sep 2020 21:05:05 +0200
Subject: [PATCH] Add sanity checks in ESP32 native functions

---
 esp3d/src/include/version.h                   |  2 +-
 .../modules/filesystem/sd/sd_native_esp32.cpp | 19 +++++++++++++++----
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/esp3d/src/include/version.h b/esp3d/src/include/version.h
index f207043c..f706888d 100644
--- a/esp3d/src/include/version.h
+++ b/esp3d/src/include/version.h
@@ -22,7 +22,7 @@
 #define _VERSION_ESP3D_H
 
 //version and sources location
-#define FW_VERSION "3.0.0.a54"
+#define FW_VERSION "3.0.0.a55"
 #define REPOSITORY "https://github.com/luc-github/ESP3D/tree/3.0"
 
 #endif //_VERSION_ESP3D_H
diff --git a/esp3d/src/modules/filesystem/sd/sd_native_esp32.cpp b/esp3d/src/modules/filesystem/sd/sd_native_esp32.cpp
index 0b4b1d9b..b770c538 100644
--- a/esp3d/src/modules/filesystem/sd/sd_native_esp32.cpp
+++ b/esp3d/src/modules/filesystem/sd/sd_native_esp32.cpp
@@ -142,13 +142,17 @@ ESP_SDFile ESP_SD::open(const char* path, uint8_t mode)
 bool ESP_SD::exists(const char* path)
 {
     bool res = false;
+    String p = path;
     //root should always be there if started
-    if (strcmp(path, "/") == 0) {
+    if (p == "/")  {
         return _started;
     }
-    res = SD.exists(path);
+    if (p.endsWith("/")) {
+        p.remove( p.length() - 1,1);
+    }
+    res = SD.exists(p);
     if (!res) {
-        ESP_SDFile root = ESP_SD::open(path, ESP_FILE_READ);
+        ESP_SDFile root = ESP_SD::open(p.c_str(), ESP_FILE_READ);
         if (root) {
             res = root.isDirectory();
         }
@@ -163,7 +167,11 @@ bool ESP_SD::remove(const char *path)
 
 bool ESP_SD::mkdir(const char *path)
 {
-    return SD.mkdir(path);
+    String p = path;
+    if (p.endsWith("/")) {
+        p.remove( p.length() - 1,1);
+    }
+    return SD.mkdir(p.c_str());
 }
 
 bool ESP_SD::rmdir(const char *path)
@@ -174,6 +182,9 @@ bool ESP_SD::rmdir(const char *path)
     bool res = true;
     GenLinkedList<String > pathlist;
     String p = path;
+    if (p.endsWith("/")) {
+        p.remove( p.length() - 1,1);
+    }
     pathlist.push(p);
     while (pathlist.count() > 0) {
         File dir = SD.open(pathlist.getLast().c_str());