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stdhdr.h

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2010 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#pragma prototyped

#ifndef _STDHDR_H
#define _STDHDR_H 1

#ifndef _NO_LARGEFILE64_SOURCE
#define _NO_LARGEFILE64_SOURCE      1
#endif
#undef      _LARGEFILE64_SOURCE

#define _ast_fseeko     ______fseeko
#define _ast_ftello     ______ftello
#include "sfhdr.h"
#undef      _ast_fseeko
#undef      _ast_ftello

#include "stdio.h"

#define SF_MB           010000
#define SF_WC           020000

#if _UWIN

#define STDIO_TRANSFER  1

typedef int (*Fun_f)();

typedef struct Funvec_s
{
      const char* name;
      Fun_f       vec[2];
} Funvec_t;

extern int  _stdfun(Sfio_t*, Funvec_t*);

#define STDIO_INT(p,n,t,f,a) \
      { \
            typedef t (*_s_f)f; \
            int         _i; \
            static Funvec_t   _v = { n }; \
            if ((_i = _stdfun(p, &_v)) < 0) \
                  return -1; \
            else if (_i > 0) \
                  return ((_s_f)_v.vec[_i])a; \
      }

#define STDIO_PTR(p,n,t,f,a) \
      { \
            typedef t (*_s_f)f; \
            int         _i; \
            static Funvec_t   _v = { n }; \
            if ((_i = _stdfun(p, &_v)) < 0) \
                  return 0; \
            else if (_i > 0) \
                  return ((_s_f)_v.vec[_i])a; \
      }

#define STDIO_VOID(p,n,t,f,a) \
      { \
            typedef t (*_s_f)f; \
            int         _i; \
            static Funvec_t   _v = { n }; \
            if ((_i = _stdfun(p, &_v)) < 0) \
                  return; \
            else if (_i > 0) \
            { \
                  ((_s_f)_v.vec[_i])a; \
                  return; \
            } \
      }

#else

#define STDIO_INT(p,n,t,f,a)
#define STDIO_PTR(p,n,t,f,a)
#define STDIO_VOID(p,n,t,f,a)

#endif

#define FWIDE(f,r) \
      do \
      { \
            if (fwide(f, 0) < 0) \
                  return r; \
            f->bits |= SF_WC; \
      } while (0)

#ifdef __EXPORT__
#define extern    __EXPORT__
#endif

extern int        sfdcwide(Sfio_t*);

#endif

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