From 58f046715ef925b77af0180d1a61db1d6d12cac3 Mon Sep 17 00:00:00 2001
From: luc lebosse <luc.lebosse@tech-hunters.com>
Date: Sat, 14 Oct 2017 14:52:40 +0200
Subject: [PATCH] Unify the time file creation for SPIFFS and SD

---
 components/fatfs/src/vfs_fat.c            |  5 +++++
 components/spiffs/esp_spiffs.c            | 22 ++++++++++++++++++++++
 components/spiffs/include/spiffs_config.h |  2 +-
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/components/fatfs/src/vfs_fat.c b/components/fatfs/src/vfs_fat.c
index a5a12d5b65..b1192b602c 100644
--- a/components/fatfs/src/vfs_fat.c
+++ b/components/fatfs/src/vfs_fat.c
@@ -389,6 +389,9 @@ static int vfs_fat_fstat(void* ctx, int fd, struct stat * st)
     FIL* file = &fat_ctx->files[fd];
     st->st_size = f_size(file);
     st->st_mode = S_IRWXU | S_IRWXG | S_IRWXO | S_IFREG;
+    st->st_mtime = 0;
+    st->st_atime = 0;
+    st->st_ctime = 0;
     return 0;
 }
 
@@ -422,6 +425,8 @@ static int vfs_fat_stat(void* ctx, const char * path, struct stat * st)
     ftime >>= 6;
     tm.tm_hour = (ftime & 0x1f);
     st->st_mtime = mktime(&tm);
+    st->st_atime = 0;
+    st->st_ctime = 0;
     return 0;
 }
 
diff --git a/components/spiffs/esp_spiffs.c b/components/spiffs/esp_spiffs.c
index 3f81b151d5..4520c81fa6 100644
--- a/components/spiffs/esp_spiffs.c
+++ b/components/spiffs/esp_spiffs.c
@@ -513,6 +513,16 @@ static int vfs_spiffs_open(void* ctx, const char * path, int flags, int mode)
         SPIFFS_clearerr(efs->fs);
         return -1;
     }
+#if SPIFFS_OBJ_META_LEN > 0
+    if (!(spiffs_mode_conv(flags) & SPIFFS_O_RDONLY))
+        {
+            time_t t = time(NULL);
+            struct tm tmr;
+            localtime_r(&t, &tmr);
+            time_t meta = mktime(&tmr);
+            SPIFFS_fupdate_meta(efs->fs, fd, &meta);
+        }
+#endif
     return fd;
 }
 
@@ -578,6 +588,9 @@ static int vfs_spiffs_fstat(void* ctx, int fd, struct stat * st)
     }
     st->st_size = s.size;
     st->st_mode = S_IRWXU | S_IRWXG | S_IRWXO | S_IFREG;
+    st->st_mtime = 0;
+    st->st_atime = 0;
+    st->st_ctime = 0;
     return res;
 }
 
@@ -597,6 +610,15 @@ static int vfs_spiffs_stat(void* ctx, const char * path, struct stat * st)
     st->st_size = s.size;
     st->st_mode = S_IRWXU | S_IRWXG | S_IRWXO;
     st->st_mode |= (s.type == SPIFFS_TYPE_DIR)?S_IFDIR:S_IFREG;
+#if SPIFFS_OBJ_META_LEN > 0
+    time_t t =0;
+    memcpy(&t, s.meta, sizeof(time_t));
+    st->st_mtime = t;
+#else
+    st->st_mtime = 0;
+#endif
+    st->st_atime = 0;
+    st->st_ctime = 0;
     return res;
 }
 
diff --git a/components/spiffs/include/spiffs_config.h b/components/spiffs/include/spiffs_config.h
index e412bfd0cf..c96a3412d3 100755
--- a/components/spiffs/include/spiffs_config.h
+++ b/components/spiffs/include/spiffs_config.h
@@ -158,7 +158,7 @@ extern void spiffs_api_unlock(struct spiffs_t *fs);
 // This is derived from following:
 // logical_page_size - (SPIFFS_OBJ_NAME_LEN + sizeof(spiffs_page_header) +
 // spiffs_object_ix_header fields + at least some LUT entries)
-#define SPIFFS_OBJ_META_LEN             (0)
+#define SPIFFS_OBJ_META_LEN             (4)
 
 // Size of buffer allocated on stack used when copying data.
 // Lower value generates more read/writes. No meaning having it bigger