direct/python/examples.py

   1 from yaffsfs import *
   2
   3 def yaffs_ls(dname):
   4     if dname[-1] != "/": dname = dname + "/"
   5     dc = yaffs_opendir(dname)
   6     if dc != 0 :
   7         sep = yaffs_readdir(dc)
   8         while bool(sep):
   9             se = sep.contents
  10             fullname = dname + se.d_name
  11             #print fullname, " ", se.d_ino," ",ord(se.d_type)
  12             st = yaffs_stat_struct()
  13             result = yaffs_stat(fullname,byref(st))
  14             perms = st.st_mode & 0777
  15             isFile = True if st.st_mode & 0x8000 else False
  16             isDir  = True if st.st_mode & 0x4000 else False
  17
  18             if isFile :
  19                 print "File ",se.d_ino, hex(perms), st.st_size, fullname
  20             if isDir :
  21                 print "Dir  ",se.d_ino, hex(perms), fullname
  22                 yaffs_ls(fullname)
  23
  24             sep = yaffs_readdir(dc)
  25         yaffs_closedir(dc)
  26         return 0
  27     else:
  28         print "Could not open directory"
  29         return -1
  30
  31 def yaffs_mkfile(fname,fsize):
  32     fd = yaffs_open(fname,66, 0666)
  33     if fd >= 0:
  34         b = create_string_buffer("",1024)
  35         totalwrite=0
  36         while fsize > 0:
  37             thiswrite = 1024 if fsize > 1024 else fsize
  38             result = yaffs_write(fd,b,thiswrite)
  39             totalwrite += result
  40             fsize -= result
  41             if result != thiswrite:
  42                 fsize= 0
  43
  44         return totalwrite
  45     else :
  46         return -1
  47
  48 root = "/yaffs2"
  49
  50 yaffs_StartUp()
  51 yaffs_mount(root)
  52
  53 yaffs_mkdir(root+"/dd",0666)
  54
  55 yaffs_open(root+"/dd/111",66,0666)
  56
  57 yaffs_ls(root)