From 7bbabc74fbb6dfa2389242f447ff78ed87de105e Mon Sep 17 00:00:00 2001
From: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
Date: Thu, 2 Feb 2023 14:20:22 +0800
Subject: [PATCH] fs/dir: provide absolute directory path for F_GETPATH by
 fcntl

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
---
 fs/vfs/fs_dir.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/vfs/fs_dir.c b/fs/vfs/fs_dir.c
index 243116ad06..1f1ad3a5ba 100644
--- a/fs/vfs/fs_dir.c
+++ b/fs/vfs/fs_dir.c
@@ -24,6 +24,7 @@
 
 #include <nuttx/config.h>
 
+#include <stdio.h>
 #include <string.h>
 #include <errno.h>
 
@@ -571,6 +572,7 @@ int dir_allocate(FAR struct file *filep, FAR const char *relpath)
 {
   FAR struct fs_dirent_s *dir;
   FAR struct inode *inode = filep->f_inode;
+  char path_prefix[PATH_MAX];
   int ret;
 
   /* Is this a node in the pseudo filesystem? Or a mountpoint? */
@@ -596,7 +598,8 @@ int dir_allocate(FAR struct file *filep, FAR const char *relpath)
         }
     }
 
-  dir->fd_path = strdup(relpath);
+  inode_getpath(inode, path_prefix);
+  asprintf(&dir->fd_path, "%s%s/", path_prefix, relpath);
   filep->f_inode  = &g_dir_inode;
   filep->f_priv   = dir;
   inode_addref(&g_dir_inode);