snprintf/fileext.h

   1 /*      $OpenBSD: fileext.h,v 1.2 2005/06/17 20:40:32 espie Exp $       */
   2 /* $NetBSD: fileext.h,v 1.5 2003/07/18 21:46:41 nathanw Exp $ */
   3
   4 /*
   5  * SPDX-License-Identifier: BSD-2-Clause
   6  *
   7  * Copyright (C)2001 Citrus Project,
   8  * All rights reserved.
   9  *
  10  * $Citrus$
  11  */
  12
  13 /*
  14  * file extension
  15  */
  16 struct __lttng_ust_sfileext {
  17         struct  __lttng_ust_sbuf _ub; /* ungetc buffer */
  18         struct wchar_io_data _wcio;     /* wide char io status */
  19 };
  20
  21 #define _EXT(fp) ((struct __lttng_ust_sfileext *)((fp)->_ext._base))
  22 #define _UB(fp) _EXT(fp)->_ub
  23
  24 #define _FILEEXT_INIT(fp) \
  25 do { \
  26         _UB(fp)._base = NULL; \
  27         _UB(fp)._size = 0; \
  28         WCIO_INIT(fp); \
  29 } while (0)
  30
  31 #define _FILEEXT_SETUP(f, fext) \
  32 do { \
  33         (f)->_ext._base = (unsigned char *)(fext); \
  34         _FILEEXT_INIT(f); \
  35 } while (0)