#include <aknutils.h>
#include <e32cmn.h>
#include <e32std.h>
#include <f32file.h>
#include <stdlib.h>
#include <string.h>

extern "C" {

int
GC_get_main_symbian_stack_base()
{
  TThreadStackInfo aInfo;
  TInt err = RThread().StackInfo(aInfo);
  if (!err) {
    return aInfo.iBase;
  } else {
    return 0;
  }
}

char *
GC_get_private_path_and_zero_file()
{
  // Always on `c:` drive.
  RFs fs;
  fs.Connect();
  fs.CreatePrivatePath(EDriveC);
  TFileName path;
  fs.PrivatePath(path);
  fs.Close();
  _LIT(KCDrive, "c:");
  path.Insert(0, KCDrive);

  // Convert to `char *`, assume ASCII.
  TBuf8<KMaxFileName> path8;
  path8.Copy(path);
  _LIT8(KZero8, "zero");
  path8.Append(KZero8);

  size_t size = path8.Length() + 1;
  char *copyChar = static_cast<char *>(malloc(size));
  if (copyChar)
    memcpy(copyChar, path8.PtrZ(), size);

  // Ownership passed.
  return copyChar;
}

} /* extern "C" */