TestFileCreateFile.c

 
#include <stdio.h>
#include <winpr/crt.h>
#include <winpr/file.h>
#include <winpr/path.h>
#include <winpr/handle.h>
#include <winpr/windows.h>
#include <winpr/sysinfo.h>
 
int TestFileCreateFile(int argc, char* argv[])
{
  HANDLE handle = NULL;
  HRESULT hr = 0;
  DWORD written = 0;
  const char buffer[] = "Some random text\r\njust want it done.";
  char cmp[sizeof(buffer)];
  char sname[8192];
  LPSTR name = NULL;
  int rc = 0;
  SYSTEMTIME systemTime;
  WINPR_UNUSED(argc);
  WINPR_UNUSED(argv);
  GetSystemTime(&systemTime);
  (void)sprintf_s(sname, sizeof(sname),
                  "CreateFile-%04" PRIu16 "%02" PRIu16 "%02" PRIu16 "%02" PRIu16 "%02" PRIu16
                  "%02" PRIu16 "%04" PRIu16,
                  systemTime.wYear, systemTime.wMonth, systemTime.wDay, systemTime.wHour,
                  systemTime.wMinute, systemTime.wSecond, systemTime.wMilliseconds);
  name = GetKnownSubPath(KNOWN_PATH_TEMP, sname);
 
  if (!name)
    return -1;
 
  /* On windows we would need '\\' or '/' as separator.
   * Single '\' do not work. */
  hr = PathCchConvertStyleA(name, strlen(name), PATH_STYLE_UNIX);
 
  if (FAILED(hr))
    rc = -1;
 
  handle = CreateFileA(name, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_NEW,
                       FILE_ATTRIBUTE_NORMAL, NULL);
 
  if (!handle)
  {
    free(name);
    return -1;
  }
 
  if (!winpr_PathFileExists(name))
    rc = -1;
 
  if (!WriteFile(handle, buffer, sizeof(buffer), &written, NULL))
    rc = -1;
 
  if (written != sizeof(buffer))
    rc = -1;
 
  written = SetFilePointer(handle, 5, NULL, FILE_BEGIN);
 
  if (written != 5)
    rc = -1;
 
  written = SetFilePointer(handle, 0, NULL, FILE_CURRENT);
 
  if (written != 5)
    rc = -1;
 
  written = SetFilePointer(handle, -5, NULL, FILE_CURRENT);
 
  if (written != 0)
    rc = -1;
 
  if (!ReadFile(handle, cmp, sizeof(cmp), &written, NULL))
    rc = -1;
 
  if (written != sizeof(cmp))
    rc = -1;
 
  if (memcmp(buffer, cmp, sizeof(buffer)) != 0)
    rc = -1;
 
  if (!CloseHandle(handle))
    rc = -1;
 
  if (!winpr_DeleteFile(name))
    rc = -1;
 
  if (winpr_PathFileExists(name))
    rc = -1;
 
  free(name);
  return rc;
}