From 320a747890d529f14f3842d08e4427f843120cae Mon Sep 17 00:00:00 2001
From: luc <luc.lebosse@tech-hunters.com>
Date: Thu, 22 Oct 2015 11:22:32 +0800
Subject: [PATCH] Add SPIFFS wrapper for info function

this allow to display total space and used space on SPIFFS
---
 cores/esp8266/FS.cpp         | 7 +++++++
 cores/esp8266/FS.h           | 1 +
 cores/esp8266/FSImpl.h       | 1 +
 cores/esp8266/spiffs_api.cpp | 9 +++++++++
 4 files changed, 18 insertions(+)

diff --git a/cores/esp8266/FS.cpp b/cores/esp8266/FS.cpp
index e3158713d..5691c2573 100644
--- a/cores/esp8266/FS.cpp
+++ b/cores/esp8266/FS.cpp
@@ -174,6 +174,13 @@ bool FS::format() {
     return _impl->format();
 }
 
+bool FS::info(uint32_t *total, uint32_t *used){
+    if (!_impl) {
+        return false;
+    }
+    return _impl->info(total,used);
+}
+
 File FS::open(const String& path, const char* mode) {
     return open(path.c_str(), mode);
 }
diff --git a/cores/esp8266/FS.h b/cores/esp8266/FS.h
index d7a170d1d..c03e50619 100644
--- a/cores/esp8266/FS.h
+++ b/cores/esp8266/FS.h
@@ -93,6 +93,7 @@ public:
     bool begin();
 
     bool format();
+    bool info(uint32_t *total, uint32_t *used);
 
     File open(const char* path, const char* mode);
     File open(const String& path, const char* mode);
diff --git a/cores/esp8266/FSImpl.h b/cores/esp8266/FSImpl.h
index b95bafcfc..a1124b285 100644
--- a/cores/esp8266/FSImpl.h
+++ b/cores/esp8266/FSImpl.h
@@ -64,6 +64,7 @@ class FSImpl {
 public:
     virtual bool begin() = 0;
     virtual bool format() = 0;
+    virtual bool info(uint32_t *total, uint32_t *used) = 0;
     virtual FileImplPtr open(const char* path, OpenMode openMode, AccessMode accessMode) = 0;
     virtual bool exists(const char* path) = 0;
     virtual DirImplPtr openDir(const char* path) = 0;
diff --git a/cores/esp8266/spiffs_api.cpp b/cores/esp8266/spiffs_api.cpp
index 4de08c405..f60a2d094 100644
--- a/cores/esp8266/spiffs_api.cpp
+++ b/cores/esp8266/spiffs_api.cpp
@@ -76,6 +76,15 @@ public:
         return true;
     }
 
+    bool info(uint32_t *total, uint32_t *used) override{
+    auto rc = SPIFFS_info(&_fs, total, used);
+     if (rc != SPIFFS_OK) {
+            DEBUGV("SPIFFS_format: rc=%d, err=%d\r\n", rc, _fs.err_code);
+            return false;
+        }
+        return true;
+    }
+
     bool remove(const char* path) override {
         char tmpName[SPIFFS_OBJ_NAME_LEN];
         strlcpy(tmpName, path, sizeof(tmpName));