Example #1
0
/**
 * Set the next direntry to be read via onefs_readdir() to the beginning of the
 * directory.
 *
 * @param[in] handle vfs handle given in most VFS calls
 * @param[in] dirp system DIR handle to set offset on
 *
 * @return no return value
 */
void
onefs_rewinddir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
{
	struct rdp_dir_state *dsp = NULL;
	bool same_as_last;
	int ret = -1;

	/* Fallback to default system routines if readdirplus is disabled */
	if (!lp_parm_bool(SNUM(handle->conn), PARM_ONEFS_TYPE,
	    PARM_USE_READDIRPLUS, PARM_USE_READDIRPLUS_DEFAULT))
	{
		return sys_rewinddir(dirp);
	}

	/* Retrieve state based off DIR handle */
	ret = rdp_retrieve_dir_state(dirp, &dsp, &same_as_last);
	if (ret) {
		DEBUG(1, ("Could not retrieve dir_state struct for "
			 "SMB_STRUCT_DIR pointer.\n"));
		return;
	}

	/* Reset location and resume key to beginning */
	ret = rdp_init(dsp);
	if (ret) {
		DEBUG(0, ("Error re-initializing rdp cursors: %s\n",
		    strerror(ret)));
		return;
	}

	DEBUG(9, ("Rewind DIR: %p, to location: %ld\n", dsp->dirp,
		 dsp->location));

	return;
}
Example #2
0
/*
 * rewind a directory
 */
int rewinddir(void * dir)
{
	struct dir * pdir;
	struct file_t * fp;

	if(!dir)
		return -1;

	pdir = (struct dir *)dir;
	if((fp = get_fp(pdir->fd)) == NULL)
		return -1;

	return sys_rewinddir(fp);
}
Example #3
0
int main(void) {
   put_str("I am kernel\n");
   init_all();
/********  测试代码  ********/
   printf("/dir1 content before delete /dir1/subdir1:\n");
   struct dir* dir = sys_opendir("/dir1/");
   char* type = NULL;
   struct dir_entry* dir_e = NULL;
   while((dir_e = sys_readdir(dir))) { 
      if (dir_e->f_type == FT_REGULAR) {
	 type = "regular";
      } else {
	 type = "directory";
      }
      printf("      %s   %s\n", type, dir_e->filename);
   }
   printf("try to delete nonempty directory /dir1/subdir1\n");
   if (sys_rmdir("/dir1/subdir1") == -1) {
      printf("sys_rmdir: /dir1/subdir1 delete fail!\n");
   }

   printf("try to delete /dir1/subdir1/file2\n");
   if (sys_rmdir("/dir1/subdir1/file2") == -1) {
      printf("sys_rmdir: /dir1/subdir1/file2 delete fail!\n");
   } 
   if (sys_unlink("/dir1/subdir1/file2") == 0 ) {
      printf("sys_unlink: /dir1/subdir1/file2 delete done\n");
   }
   
   printf("try to delete directory /dir1/subdir1 again\n");
   if (sys_rmdir("/dir1/subdir1") == 0) {
      printf("/dir1/subdir1 delete done!\n");
   }

   printf("/dir1 content after delete /dir1/subdir1:\n");
   sys_rewinddir(dir);
   while((dir_e = sys_readdir(dir))) { 
      if (dir_e->f_type == FT_REGULAR) {
	 type = "regular";
      } else {
	 type = "directory";
      }
      printf("      %s   %s\n", type, dir_e->filename);
   }

/********  测试代码  ********/
   while(1);
   return 0;
}
Example #4
0
void vfswrap_rewinddir(vfs_handle_struct *handle, connection_struct *conn, SMB_STRUCT_DIR *dirp)
{
	START_PROFILE(syscall_rewinddir);
	sys_rewinddir(dirp);
	END_PROFILE(syscall_rewinddir);
}