HDD_TAP_GetCurrentDir.c

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#include <string.h>
#include "FBLib_tap.h"
 
//Return codes:     0: OK
//                 -1: not enough memory (from HDD_TAP_GetCurrentDirCluster)
//                 -2: buffer overrun in subdir search (from HDD_TAP_GetCurrentDirCluster)
//                 -3: Lib init failed (from HDD_TranslateDirCluster via HDD_TAP_GetCurrentDirCluster)
 
int HDD_TAP_GetCurrentDir(char *CurrentDir)
{
  TRACEENTER();
 
  tTMSTAPTaskTable     *TAPTaskTable;
  dword                *dw;
 
  //Get all needed variables
  TAPTaskTable = (tTMSTAPTaskTable*)FIS_vTAPTable();
 
  if(!TAPTaskTable || (!LibInitialized && !InitTAPex()))
  {
    if(CurrentDir) CurrentDir[0] = '\0';
 
    TRACEEXIT();
    return -3;
  }
 
  //CurrentDir points to a struct, where the second dword points to NULL terminated string
  dw = (dword*)TAPTaskTable[TAP_TableIndex].CurrentDir;
 
  //Remove the systems mount point /mnt/hd from the directory
  if(CurrentDir && dw && dw[1])
    strcpy(CurrentDir, (char*)(dw[1] + 7));
 
  TRACEEXIT();
  return 0;
}