From 36b7577c5e6ac0e76a6c0e8942c7353fd63e8b7f Mon Sep 17 00:00:00 2001
From: Hongjin Li <lihongjin1@huawei.com>
Date: Mon, 22 Nov 2021 10:49:56 +0800
Subject: [PATCH] =?UTF-8?q?liteos=5Fm=E6=96=87=E4=BB=B6=E7=B3=BB=E7=BB=9F?=
 =?UTF-8?q?=E4=B8=AD=EF=BC=8Ccomponents/fs/littlefs/lfs=5Fapi.c=E4=B8=AD?=
 =?UTF-8?q?=E6=96=B0=E5=A2=9E=E6=B3=A8=E5=86=8C.Fstat=20=3D=20LfsFstat?=
 =?UTF-8?q?=E6=8E=A5=E5=8F=A3=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Change-Id: Ic56364d1df71b369abfa5be617fc63b77a65b27b
Signed-off-by: Hongjin Li <lihongjin1@huawei.com>
---
 components/fs/littlefs/lfs_api.c | 31 +++++++++++++++++++++++++++++++
 components/fs/littlefs/lfs_api.h |  1 +
 2 files changed, 32 insertions(+)

diff --git a/components/fs/littlefs/lfs_api.c b/components/fs/littlefs/lfs_api.c
index 67a2db90..043ffc0c 100644
--- a/components/fs/littlefs/lfs_api.c
+++ b/components/fs/littlefs/lfs_api.c
@@ -322,6 +322,7 @@ const struct FileOps g_lfsFops = {
     .Rename = LfsRename,
     .Getattr = LfsStat,
     .Fsync = LfsFsync,
+    .Fstat = LfsFstat,
 };
 
 int LfsMount(const char *source, const char *target, const char *fileSystemType, unsigned long mountflags,
@@ -772,3 +773,33 @@ int LfsFsync(int fd)
     }
     return ret;
 }
+
+int LfsFstat(int fd, struct stat *buf)
+{
+    int ret;
+    struct lfs_info info;
+
+    if (buf == NULL) {
+        errno = EFAULT;
+        return FS_FAILURE;
+    }
+
+    if (LfsFdIsValid(fd) == FALSE) {
+        errno = EBADF;
+        return VFS_ERROR;
+    }
+
+    ret = lfs_stat(g_handle[fd].lfsHandle, g_handle[fd].pathName, &info);
+    if (ret == 0) {
+        buf->st_size = info.size;
+        if (info.type == LFS_TYPE_REG) {
+            buf->st_mode = S_IFREG;
+        } else {
+            buf->st_mode = S_IFDIR;
+        }
+    } else {
+        errno = LittlefsErrno(ret);
+        ret = VFS_ERROR;
+    }
+    return ret;
+}
\ No newline at end of file
diff --git a/components/fs/littlefs/lfs_api.h b/components/fs/littlefs/lfs_api.h
index c9b749ed..a101217e 100644
--- a/components/fs/littlefs/lfs_api.h
+++ b/components/fs/littlefs/lfs_api.h
@@ -110,6 +110,7 @@ int LfsClose(int fd);
 int LfsRename(const char *oldName, const char *newName);
 int LfsStat(const char *path, struct stat *buf);
 int LfsFsync(int fd);
+int LfsFstat(int fd, struct stat *buf);
 int SetDefaultMountPath(int pathNameIndex, const char* target);
 
 #endif /* _LFS_API_H_ */