如何取得剩馀磁碟空间/全部磁碟空间

转自:http://blog.csdn.net/cloudhsu/archive/2010/08/20/5825965.aspx

这段代码示范怎么取得iphone的剩馀磁碟空间,还有全部磁碟空间

  
    

   
     -
   
     (
   
     float
   
     )getFreeDiskSpace 
{ 
 NSArray 
   
     *
   
     paths 
   
     =
   
      NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); 
 
   
     struct
   
      statfs tStats; 
 statfs([[paths lastObject] cString], 
   
     &
   
     tStats); 
 
   
     float
   
      freeSpace 
   
     =
   
      (
   
     float
   
     )(tStats.f_bsize 
   
     *
   
      tStats.f_bfree); 
 
 
   
     return
   
      
   
     freeSpace;   
   
     

   
     } 


   
     -
   
     (
   
     float
   
     )getTotalDiskSpace 
{ 
 NSArray 
   
     *
   
     paths 
   
     =
   
      NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); 
 
   
     struct
   
      statfs tStats; 
 statfs([[paths lastObject] cString], 
   
     &
   
     tStats); 
 
   
     float
   
      totalSpace 
   
     =
   
      (
   
     float
   
     )(tStats.f_blocks 
   
     *
   
      tStats.f_bsize); 
 
 
   
     return
   
      totalSpace; 
}