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/usr/lib/ats-anairiats-0.2.11/prelude/CATS/printf.cats is in ats-lang-anairiats 0.2.11-1build1.

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The actual contents of the file can be viewed below.

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/************************************************************************/
/*                                                                      */
/*                         Applied Type System                          */
/*                                                                      */
/*                              Hongwei Xi                              */
/*                                                                      */
/************************************************************************/

/*
** ATS - Unleashing the Potential of Types!
**
** Copyright (C) 2002-2008 Hongwei Xi.
**
** ATS is free software;  you can  redistribute it and/or modify it under
** the terms of the GNU LESSER GENERAL PUBLIC LICENSE as published by the
** Free Software Foundation; either version 2.1, or (at your option)  any
** later version.
** 
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without  even  the  implied  warranty  of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE.  See the  GNU General Public License
** for more details.
** 
** You  should  have  received  a  copy of the GNU General Public License
** along  with  ATS;  see the  file COPYING.  If not, please write to the
** Free Software Foundation,  51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*/

/* ****** ****** */

/* author: Hongwei Xi (hwxi AT cs DOT bu DOT edu) */

/* ****** ****** */

#ifndef ATS_PRELUDE_PRINTF_CATS
#define ATS_PRELUDE_PRINTF_CATS

/* ****** ****** */

#include <stdio.h>
#include <stdarg.h>

/* ****** ****** */

extern
ats_void_type
ats_exit_errmsg (ats_int_type n, ats_ptr_type msg) ;

extern ats_void_type atspre_stdout_view_get() ;
extern ats_void_type atspre_stdout_view_set() ;

/* ****** ****** */

static
ats_int_type
atspre_fprintf_err
  (ats_ptr_type file, ats_ptr_type fmt, ...) {
  int n ;
  va_list ap ;
  va_start(ap, fmt) ;
  n = vfprintf((FILE *)file, (char *)fmt, ap) ;
  va_end(ap) ;
  return n ; 
} // end of [atspre_fprintf_err]

static
ats_void_type
atspre_fprintf_exn (
  ats_ptr_type file, ats_ptr_type fmt, ...
) {
  int n ;
  va_list ap ;
  va_start(ap, fmt) ;
  n = vfprintf((FILE *)file, (char *)fmt, ap) ;
  va_end(ap) ;
  if (n < 0) {
    ats_exit_errmsg(n, (ats_ptr_type)"exit(ATS): [fprintf] failed\n") ;
  } // end of [if]
  return ;
} // end of [atspre_fprintf_exn]

/* ****** ****** */

static
ats_void_type
atspre_printf_exn (
  ats_ptr_type fmt, ...
) {
  int n ;
  va_list ap ;
  atspre_stdout_view_get() ;
  va_start(ap, fmt) ;
  n = vprintf((char*)fmt, ap) ;
  va_end(ap) ;
  atspre_stdout_view_set() ;
  if (n < 0) {
    ats_exit_errmsg(n, (ats_ptr_type)"exit(ATS): [printf] failed\n") ;
  } // end of [if]
  return ;
} // end of [atspre_printf_exn]

static
ats_void_type
atspre_prerrf_exn (
  ats_ptr_type fmt, ...
) {
  int n ;
  va_list ap ;
  atspre_stderr_view_get() ;
  va_start(ap, fmt) ;
  n = vfprintf(stderr, (char *)fmt, ap) ;
  va_end(ap) ;
  atspre_stderr_view_set() ;
  if (n < 0) {
    ats_exit_errmsg(n, (ats_ptr_type)"exit(ATS): [prerrf] failed\n") ;
  } // end of [if]
  return ;
} // end of [atspre_prerrf_exn]

/* ****** ****** */

#endif /* ATS_PRELUDE_PRINTF_CATS */

/* end of [printf.cats] */