/usr/lib/ats-anairiats-0.2.11/prelude/DATS/printf.dats is in ats-lang-anairiats 0.2.11-1build1.
This file is owned by root:root, with mode 0o644.
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, Boston University
** All rights reserved
**
** 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) *)
(* ****** ****** *)
#define ATS_DYNLOADFLAG 0 // loaded by [ats_main_prelude]
(* ****** ****** *)
staload "libc/SATS/stdarg.sats"
(* ****** ****** *)
staload "prelude/SATS/printf.sats"
(* ****** ****** *)
%{^
#define ATSPRE_SPRINTF_GUESS 16
%} // end of [%{]
(* ****** ****** *)
%{
ats_void_type
atspre_exit_prerrf (
const ats_int_type status, const ats_ptr_type fmt, ...
) {
va_list ap ;
va_start(ap, fmt) ; vfprintf(stderr, (char*)fmt, ap) ; va_end(ap) ;
/*
fprintf (stderr, "atspre_exit_prerrf: status = %i\n", status) ;
*/
exit(status) ;
return ; // deadcode
} /* end of [atspre_exit_prerrf] */
ats_void_type
atspre_assert_prerrf (
ats_bool_type assertion, ats_ptr_type fmt, ...
) {
int err ;
va_list ap ;
if (!assertion) { /* assertion is false */
va_start(ap, fmt) ;
err = vfprintf(stderr, (char*)fmt, ap) ;
va_end(ap) ;
if (err < 0) {
ats_exit_errmsg (
err, "[atspre_assert_prerrf]: prerrf failed\n"
) ;
} else {
ats_exit_errmsg (1, "[atspre_assert_prerrf]: assert failed\n") ;
}
} /* end of [if] */
return ;
} /* end of [atspre_assert_prerrf] */
%} // end of [%{]
(* ****** ****** *)
%{
ats_ptr_type
atspre_vsprintf_size (
const ats_size_type guess
, const ats_ptr_type fmt, ats_ref_type ap0
) {
int n, sz ; char *res ; va_list ap ;
//
sz = guess ;
//
while (1) {
va_copy (ap, *(va_list*)ap0) ;
res = ATS_MALLOC(sz) ;
n = vsnprintf(res, sz, (char*)fmt, ap) ;
if (n >= 0) {
if (n < sz) return res ;
sz = n+1 ; ATS_FREE(res) ; continue ;
} else {
return ((ats_ptr_type)0) ;
} // end of [if]
} // end of [while]
//
return (ats_ptr_type)0 ; // deadcode
//
} /* end of [atspre_vsprintf_size] */
ats_ptr_type
atspre_vsprintf (
const ats_ptr_type fmt, ats_ref_type ap0
) {
char *res = (char*)atspre_vsprintf_size (ATSPRE_SPRINTF_GUESS, fmt, ap0) ;
if (!res) {
ats_exit_errmsg (1, "exit(ATS): [atspre_vsprintf] failed.\n") ;
} // end of [if]
return res ;
} // end of [atspre_vsprintf]
%} // end of [%{]
(* ****** ****** *)
implement
tostringf_size (guess, fmt, arg) = let
// [va_start (arg, fmt)] is emitted by atsopt
val str = vsprintf_size (guess, fmt, arg) // [str] may be null
val () = va_end (arg)
in
str
end // end of [tostringf_size]
implement
tostringf (fmt, arg) = let
// [va_start (arg, fmt)] is emitted by atsopt
val str = vsprintf (fmt, arg) // [str] cannot be null
val () = va_end (arg)
in
str
end // end of [tostringf]
(* ****** ****** *)
(* end of [printf.dats] *)
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