USB Exported Control API > BS2_GetUserDatabaseInfoFromDirWithKey

[+2.8.2] Get full user information (number of users, number of cards, number of fingerprints, number of faces) from the data extracted by USB.


#include "BS_API.h"
int BS2_GetUserDatabaseInfoFromDirWithKey(void* context, const char* szDir, uint32_t* numUsers, uint32_t* numCards, uint32_t* numFingers, uint32_t* numFaces, IsAcceptableUserID ptrIsAcceptableUserID, const BS2EncryptKey* key);


  • [In] context : Context
  • [Out] szDir : Data Storage Path
  • [Out] numUsers : Total number of users
  • [Out] numCards : Total number of cards
  • [Out] numFingers : Total number of fingerprints
  • [Out] numFaces : Total number of faces
  • [In] ptrIsAcceptableUserID : Callback function to ask the server if it is the user ID to allow
  • [In] key : Encryption key and the key value specified by BS2_SetDataEncryptKey.

The uidsObjs variable must return memory to the system after using via the BS2_ReleaseObject function.

Return value

Returns BS_SDK_SUCCESS if performed successfully, or a corresponding error code if an error occurs.

See Also