From 47daaeecc7fcd22f4f26b5e229f6ec3dc2602b65 Mon Sep 17 00:00:00 2001
From: ZHU Hao <hao_kr@163.com>
Date: Thu, 21 Sep 2023 13:33:03 +0800
Subject: [PATCH] Fix compiling error for RT-Thread (#2569)

struct dfs_fd has been deprecated
---
 product-mini/platforms/rt-thread/iwasm.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/product-mini/platforms/rt-thread/iwasm.c b/product-mini/platforms/rt-thread/iwasm.c
index 8ae4da76..9a21301d 100644
--- a/product-mini/platforms/rt-thread/iwasm.c
+++ b/product-mini/platforms/rt-thread/iwasm.c
@@ -10,7 +10,6 @@
 #include <dfs.h>
 #include <dfs_file.h>
 #include <dfs_fs.h>
-#include <dfs_posix.h>
 
 #ifdef WAMR_ENABLE_RTT_EXPORT
 
@@ -183,8 +182,6 @@ rt_uint8_t *
 my_read_file_to_buffer(char *filename, rt_uint32_t *size)
 {
     struct stat f_stat;
-    dfs_file_stat(filename, &f_stat);
-    struct dfs_fd fd;
 
     rt_uint8_t *buff = rt_malloc(f_stat.st_size);
     *size = 0;
@@ -193,16 +190,16 @@ my_read_file_to_buffer(char *filename, rt_uint32_t *size)
         return RT_NULL;
     }
 
-    int ret = dfs_file_open(&fd, filename, O_RDONLY);
-    if (ret) {
+    int fd = open(filename, O_RDONLY);
+    if (fd < 0) {
         rt_free(buff);
-        rt_set_errno(ret);
+        rt_set_errno(fd);
         return RT_NULL;
     }
 
-    *size = dfs_file_read(&fd, buff, f_stat.st_size);
+    *size = read(fd, buff, f_stat.st_size);
 
-    dfs_file_close(&fd);
+    close(fd);
 
     if (*size != f_stat.st_size) {
         rt_free(buff);