root/lang/c/libintl-msvc/recipes/loadmsgcat-windows.h @ 25300

/*

#include "loadmsgcat-windows.h"

*/

#ifndef LOADMSGCAT_WINDOWS_H
#define LOADMSGCAT_WINDOWS_H 1

#if (defined(_MSC_VER) || defined(__MINGW32_VERSION)) && (defined(UNICODE) || defined(_UNICODE))

#include <windows.h>
#include <io.h>

/* http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx */
#define WCHAR_LIBINTL_MAX_PATH 33000

int
open_windows_utf8 (const char *pathname8, int flags)
{
  wchar_t *pathname16 = NULL;
  unsigned int num_elements = 0;
  int result = 0;

  num_elements = MultiByteToWideChar (CP_UTF8, 0, pathname8, -1, NULL, 0);
  if (num_elements == 0)
    {
      errno = EACCES;
      return -1;
    }

  if (num_elements >= WCHAR_LIBINTL_MAX_PATH)
    {
      errno = EACCES;
      return -1;
    }

  pathname16 = (wchar_t *)malloc (num_elements * sizeof(wchar_t));
  if (0 == MultiByteToWideChar (CP_UTF8, 0, pathname8, -1, 
                                pathname16, num_elements))
    {
      free (pathname16);
      errno = EACCES;
      return -1;
    }

  result = _wopen (pathname16, flags);
  free (pathname16);
  return result;
}

#undef open
#define open(name, flags) open_windows_utf8(name, flags)

#endif // (defined(_MSC_VER) || defined(__MINGW32_VERSION)) && (defined(UNICODE) || defined(_UNICODE))
#endif