390 lines
17 KiB
C
390 lines
17 KiB
C
/*
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Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HIO_FMT_H_
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#define _HIO_FMT_H_
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#include <hio-cmn.h>
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#include <stdarg.h>
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/** \file
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* This file defines various formatting functions.
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*/
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/* =========================================================================
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* FORMATTED OUTPUT
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* ========================================================================= */
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typedef struct hio_fmtout_t hio_fmtout_t;
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typedef int (*hio_fmtout_putbchars_t) (
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hio_fmtout_t* fmtout,
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const hio_bch_t* ptr,
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hio_oow_t len
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);
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typedef int (*hio_fmtout_putuchars_t) (
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hio_fmtout_t* fmtout,
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const hio_uch_t* ptr,
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hio_oow_t len
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);
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enum hio_fmtout_fmt_type_t
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{
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HIO_FMTOUT_FMT_TYPE_BCH = 0,
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HIO_FMTOUT_FMT_TYPE_UCH
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};
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typedef enum hio_fmtout_fmt_type_t hio_fmtout_fmt_type_t;
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struct hio_fmtout_t
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{
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hio_oow_t count; /* out */
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hio_mmgr_t* mmgr; /* in */
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hio_fmtout_putbchars_t putbchars; /* in */
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hio_fmtout_putuchars_t putuchars; /* in */
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hio_bitmask_t mask; /* in */
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void* ctx; /* in */
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/* internally set a input */
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hio_fmtout_fmt_type_t fmt_type;
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const void* fmt_str;
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};
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/* =========================================================================
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* INTMAX FORMATTING
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* ========================================================================= */
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/**
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* The hio_fmt_intmax_flag_t type defines enumerators to change the
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* behavior of hio_fmt_intmax() and hio_fmt_uintmax().
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*/
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enum hio_fmt_intmax_flag_t
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{
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/* Use lower 6 bits to represent base between 2 and 36 inclusive.
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* Upper bits are used for these flag options */
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/** Don't truncate if the buffer is not large enough */
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HIO_FMT_INTMAX_NOTRUNC = (0x40 << 0),
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#define HIO_FMT_INTMAX_NOTRUNC HIO_FMT_INTMAX_NOTRUNC
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#define HIO_FMT_UINTMAX_NOTRUNC HIO_FMT_INTMAX_NOTRUNC
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#define HIO_FMT_INTMAX_TO_BCSTR_NOTRUNC HIO_FMT_INTMAX_NOTRUNC
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#define HIO_FMT_UINTMAX_TO_BCSTR_NOTRUNC HIO_FMT_INTMAX_NOTRUNC
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#define HIO_FMT_INTMAX_TO_UCSTR_NOTRUNC HIO_FMT_INTMAX_NOTRUNC
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#define HIO_FMT_UINTMAX_TO_UCSTR_NOTRUNC HIO_FMT_INTMAX_NOTRUNC
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#define HIO_FMT_INTMAX_TO_OOCSTR_NOTRUNC HIO_FMT_INTMAX_NOTRUNC
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#define HIO_FMT_UINTMAX_TO_OOCSTR_NOTRUNC HIO_FMT_INTMAX_NOTRUNC
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/** Don't append a terminating null */
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HIO_FMT_INTMAX_NONULL = (0x40 << 1),
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#define HIO_FMT_INTMAX_NONULL HIO_FMT_INTMAX_NONULL
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#define HIO_FMT_UINTMAX_NONULL HIO_FMT_INTMAX_NONULL
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#define HIO_FMT_INTMAX_TO_BCSTR_NONULL HIO_FMT_INTMAX_NONULL
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#define HIO_FMT_UINTMAX_TO_BCSTR_NONULL HIO_FMT_INTMAX_NONULL
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#define HIO_FMT_INTMAX_TO_UCSTR_NONULL HIO_FMT_INTMAX_NONULL
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#define HIO_FMT_UINTMAX_TO_UCSTR_NONULL HIO_FMT_INTMAX_NONULL
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#define HIO_FMT_INTMAX_TO_OOCSTR_NONULL HIO_FMT_INTMAX_NONULL
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#define HIO_FMT_UINTMAX_TO_OOCSTR_NONULL HIO_FMT_INTMAX_NONULL
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/** Produce no digit for a value of zero */
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HIO_FMT_INTMAX_NOZERO = (0x40 << 2),
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#define HIO_FMT_INTMAX_NOZERO HIO_FMT_INTMAX_NOZERO
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#define HIO_FMT_UINTMAX_NOZERO HIO_FMT_INTMAX_NOZERO
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#define HIO_FMT_INTMAX_TO_BCSTR_NOZERO HIO_FMT_INTMAX_NOZERO
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#define HIO_FMT_UINTMAX_TO_BCSTR_NOZERO HIO_FMT_INTMAX_NOZERO
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#define HIO_FMT_INTMAX_TO_UCSTR_NOZERO HIO_FMT_INTMAX_NOZERO
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#define HIO_FMT_UINTMAX_TO_UCSTR_NOZERO HIO_FMT_INTMAX_NOZERO
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#define HIO_FMT_INTMAX_TO_OOCSTR_NOZERO HIO_FMT_INTMAX_NOZERO
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#define HIO_FMT_UINTMAX_TO_OOCSTR_NOZERO HIO_FMT_INTMAX_NOZERO
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/** Produce a leading zero for a non-zero value */
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HIO_FMT_INTMAX_ZEROLEAD = (0x40 << 3),
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#define HIO_FMT_INTMAX_ZEROLEAD HIO_FMT_INTMAX_ZEROLEAD
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#define HIO_FMT_UINTMAX_ZEROLEAD HIO_FMT_INTMAX_ZEROLEAD
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#define HIO_FMT_INTMAX_TO_BCSTR_ZEROLEAD HIO_FMT_INTMAX_ZEROLEAD
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#define HIO_FMT_UINTMAX_TO_BCSTR_ZEROLEAD HIO_FMT_INTMAX_ZEROLEAD
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#define HIO_FMT_INTMAX_TO_UCSTR_ZEROLEAD HIO_FMT_INTMAX_ZEROLEAD
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#define HIO_FMT_UINTMAX_TO_UCSTR_ZEROLEAD HIO_FMT_INTMAX_ZEROLEAD
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#define HIO_FMT_INTMAX_TO_OOCSTR_ZEROLEAD HIO_FMT_INTMAX_ZEROLEAD
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#define HIO_FMT_UINTMAX_TO_OOCSTR_ZEROLEAD HIO_FMT_INTMAX_ZEROLEAD
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/** Use uppercase letters for alphabetic digits */
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HIO_FMT_INTMAX_UPPERCASE = (0x40 << 4),
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#define HIO_FMT_INTMAX_UPPERCASE HIO_FMT_INTMAX_UPPERCASE
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#define HIO_FMT_UINTMAX_UPPERCASE HIO_FMT_INTMAX_UPPERCASE
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#define HIO_FMT_INTMAX_TO_BCSTR_UPPERCASE HIO_FMT_INTMAX_UPPERCASE
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#define HIO_FMT_UINTMAX_TO_BCSTR_UPPERCASE HIO_FMT_INTMAX_UPPERCASE
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#define HIO_FMT_INTMAX_TO_UCSTR_UPPERCASE HIO_FMT_INTMAX_UPPERCASE
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#define HIO_FMT_UINTMAX_TO_UCSTR_UPPERCASE HIO_FMT_INTMAX_UPPERCASE
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#define HIO_FMT_INTMAX_TO_OOCSTR_UPPERCASE HIO_FMT_INTMAX_UPPERCASE
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#define HIO_FMT_UINTMAX_TO_OOCSTR_UPPERCASE HIO_FMT_INTMAX_UPPERCASE
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/** Insert a plus sign for a positive integer including 0 */
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HIO_FMT_INTMAX_PLUSSIGN = (0x40 << 5),
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#define HIO_FMT_INTMAX_PLUSSIGN HIO_FMT_INTMAX_PLUSSIGN
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#define HIO_FMT_UINTMAX_PLUSSIGN HIO_FMT_INTMAX_PLUSSIGN
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#define HIO_FMT_INTMAX_TO_BCSTR_PLUSSIGN HIO_FMT_INTMAX_PLUSSIGN
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#define HIO_FMT_UINTMAX_TO_BCSTR_PLUSSIGN HIO_FMT_INTMAX_PLUSSIGN
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#define HIO_FMT_INTMAX_TO_UCSTR_PLUSSIGN HIO_FMT_INTMAX_PLUSSIGN
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#define HIO_FMT_UINTMAX_TO_UCSTR_PLUSSIGN HIO_FMT_INTMAX_PLUSSIGN
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#define HIO_FMT_INTMAX_TO_OOCSTR_PLUSSIGN HIO_FMT_INTMAX_PLUSSIGN
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#define HIO_FMT_UINTMAX_TO_OOCSTR_PLUSSIGN HIO_FMT_INTMAX_PLUSSIGN
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/** Insert a space for a positive integer including 0 */
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HIO_FMT_INTMAX_EMPTYSIGN = (0x40 << 6),
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#define HIO_FMT_INTMAX_EMPTYSIGN HIO_FMT_INTMAX_EMPTYSIGN
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#define HIO_FMT_UINTMAX_EMPTYSIGN HIO_FMT_INTMAX_EMPTYSIGN
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#define HIO_FMT_INTMAX_TO_BCSTR_EMPTYSIGN HIO_FMT_INTMAX_EMPTYSIGN
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#define HIO_FMT_UINTMAX_TO_BCSTR_EMPTYSIGN HIO_FMT_INTMAX_EMPTYSIGN
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#define HIO_FMT_INTMAX_TO_UCSTR_EMPTYSIGN HIO_FMT_INTMAX_EMPTYSIGN
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#define HIO_FMT_UINTMAX_TO_UCSTR_EMPTYSIGN HIO_FMT_INTMAX_EMPTYSIGN
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/** Fill the right part of the string */
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HIO_FMT_INTMAX_FILLRIGHT = (0x40 << 7),
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#define HIO_FMT_INTMAX_FILLRIGHT HIO_FMT_INTMAX_FILLRIGHT
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#define HIO_FMT_UINTMAX_FILLRIGHT HIO_FMT_INTMAX_FILLRIGHT
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#define HIO_FMT_INTMAX_TO_BCSTR_FILLRIGHT HIO_FMT_INTMAX_FILLRIGHT
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#define HIO_FMT_UINTMAX_TO_BCSTR_FILLRIGHT HIO_FMT_INTMAX_FILLRIGHT
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#define HIO_FMT_INTMAX_TO_UCSTR_FILLRIGHT HIO_FMT_INTMAX_FILLRIGHT
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#define HIO_FMT_UINTMAX_TO_UCSTR_FILLRIGHT HIO_FMT_INTMAX_FILLRIGHT
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#define HIO_FMT_INTMAX_TO_OOCSTR_FILLRIGHT HIO_FMT_INTMAX_FILLRIGHT
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#define HIO_FMT_UINTMAX_TO_OOCSTR_FILLRIGHT HIO_FMT_INTMAX_FILLRIGHT
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/** Fill between the sign chacter and the digit part */
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HIO_FMT_INTMAX_FILLCENTER = (0x40 << 8)
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#define HIO_FMT_INTMAX_FILLCENTER HIO_FMT_INTMAX_FILLCENTER
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#define HIO_FMT_UINTMAX_FILLCENTER HIO_FMT_INTMAX_FILLCENTER
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#define HIO_FMT_INTMAX_TO_BCSTR_FILLCENTER HIO_FMT_INTMAX_FILLCENTER
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#define HIO_FMT_UINTMAX_TO_BCSTR_FILLCENTER HIO_FMT_INTMAX_FILLCENTER
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#define HIO_FMT_INTMAX_TO_UCSTR_FILLCENTER HIO_FMT_INTMAX_FILLCENTER
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#define HIO_FMT_UINTMAX_TO_UCSTR_FILLCENTER HIO_FMT_INTMAX_FILLCENTER
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#define HIO_FMT_INTMAX_TO_OOCSTR_FILLCENTER HIO_FMT_INTMAX_FILLCENTER
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#define HIO_FMT_UINTMAX_TO_OOCSTR_FILLCENTER HIO_FMT_INTMAX_FILLCENTER
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};
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* =========================================================================
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* FORMATTED OUTPUT
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* ========================================================================= */
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HIO_EXPORT int hio_bfmt_outv (
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hio_fmtout_t* fmtout,
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const hio_bch_t* fmt,
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va_list ap
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);
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HIO_EXPORT int hio_ufmt_outv (
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hio_fmtout_t* fmtout,
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const hio_uch_t* fmt,
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va_list ap
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);
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HIO_EXPORT int hio_bfmt_out (
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hio_fmtout_t* fmtout,
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const hio_bch_t* fmt,
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...
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);
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HIO_EXPORT int hio_ufmt_out (
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hio_fmtout_t* fmtout,
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const hio_uch_t* fmt,
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...
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);
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/* =========================================================================
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* INTMAX FORMATTING
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* ========================================================================= */
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/**
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* The hio_fmt_intmax_to_bcstr() function formats an integer \a value to a
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* multibyte string according to the given base and writes it to a buffer
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* pointed to by \a buf. It writes to the buffer at most \a size characters
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* including the terminating null. The base must be between 2 and 36 inclusive
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* and can be ORed with zero or more #hio_fmt_intmax_to_bcstr_flag_t enumerators.
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* This ORed value is passed to the function via the \a base_and_flags
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* parameter. If the formatted string is shorter than \a bufsize, the redundant
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* slots are filled with the fill character \a fillchar if it is not a null
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* character. The filling behavior is determined by the flags shown below:
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*
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* - If #HIO_FMT_INTMAX_TO_BCSTR_FILLRIGHT is set in \a base_and_flags, slots
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* after the formatting string are filled.
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* - If #HIO_FMT_INTMAX_TO_BCSTR_FILLCENTER is set in \a base_and_flags, slots
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* before the formatting string are filled. However, if it contains the
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* sign character, the slots between the sign character and the digit part
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* are filled.
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* - If neither #HIO_FMT_INTMAX_TO_BCSTR_FILLRIGHT nor #HIO_FMT_INTMAX_TO_BCSTR_FILLCENTER
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* , slots before the formatting string are filled.
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*
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* The \a precision parameter specified the minimum number of digits to
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* produce from the \a value. If \a value produces fewer digits than
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* \a precision, the actual digits are padded with '0' to meet the precision
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* requirement. You can pass a negative number if you don't wish to specify
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* precision.
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*
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* The terminating null is not added if #HIO_FMT_INTMAX_TO_BCSTR_NONULL is set;
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* The #HIO_FMT_INTMAX_TO_BCSTR_UPPERCASE flag indicates that the function should
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* use the uppercase letter for a alphabetic digit;
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* You can set #HIO_FMT_INTMAX_TO_BCSTR_NOTRUNC if you require lossless formatting.
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* The #HIO_FMT_INTMAX_TO_BCSTR_PLUSSIGN flag and #HIO_FMT_INTMAX_TO_BCSTR_EMPTYSIGN
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* ensures that the plus sign and a space is added for a positive integer
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* including 0 respectively.
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* The #HIO_FMT_INTMAX_TO_BCSTR_ZEROLEAD flag ensures that the numeric string
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* begins with '0' before applying the prefix.
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* You can set the #HIO_FMT_INTMAX_TO_BCSTR_NOZERO flag if you want the value of
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* 0 to produce nothing. If both #HIO_FMT_INTMAX_TO_BCSTR_NOZERO and
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* #HIO_FMT_INTMAX_TO_BCSTR_ZEROLEAD are specified, '0' is still produced.
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*
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* If \a prefix is not #HIO_NULL, it is inserted before the digits.
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*
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* \return
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* - -1 if the base is not between 2 and 36 inclusive.
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* - negated number of characters required for lossless formatting
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* - if \a bufsize is 0.
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* - if #HIO_FMT_INTMAX_TO_BCSTR_NOTRUNC is set and \a bufsize is less than
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* the minimum required for lossless formatting.
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* - number of characters written to the buffer excluding a terminating
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* null in all other cases.
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*/
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HIO_EXPORT int hio_fmt_intmax_to_bcstr (
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hio_bch_t* buf, /**< buffer pointer */
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int bufsize, /**< buffer size */
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hio_intmax_t value, /**< integer to format */
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int base_and_flags, /**< base ORed with flags */
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int precision, /**< precision */
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hio_bch_t fillchar, /**< fill character */
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const hio_bch_t* prefix /**< prefix */
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);
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/**
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* The hio_fmt_intmax_to_ucstr() function formats an integer \a value to a
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* wide-character string according to the given base and writes it to a buffer
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* pointed to by \a buf. It writes to the buffer at most \a size characters
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* including the terminating null. The base must be between 2 and 36 inclusive
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* and can be ORed with zero or more #hio_fmt_intmax_to_ucstr_flag_t enumerators.
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* This ORed value is passed to the function via the \a base_and_flags
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* parameter. If the formatted string is shorter than \a bufsize, the redundant
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* slots are filled with the fill character \a fillchar if it is not a null
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* character. The filling behavior is determined by the flags shown below:
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*
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* - If #HIO_FMT_INTMAX_TO_UCSTR_FILLRIGHT is set in \a base_and_flags, slots
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* after the formatting string are filled.
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* - If #HIO_FMT_INTMAX_TO_UCSTR_FILLCENTER is set in \a base_and_flags, slots
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* before the formatting string are filled. However, if it contains the
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* sign character, the slots between the sign character and the digit part
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* are filled.
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* - If neither #HIO_FMT_INTMAX_TO_UCSTR_FILLRIGHT nor #HIO_FMT_INTMAX_TO_UCSTR_FILLCENTER
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* , slots before the formatting string are filled.
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*
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* The \a precision parameter specified the minimum number of digits to
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* produce from the \ value. If \a value produces fewer digits than
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* \a precision, the actual digits are padded with '0' to meet the precision
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* requirement. You can pass a negative number if don't wish to specify
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* precision.
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*
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* The terminating null is not added if #HIO_FMT_INTMAX_TO_UCSTR_NONULL is set;
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* The #HIO_FMT_INTMAX_TO_UCSTR_UPPERCASE flag indicates that the function should
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* use the uppercase letter for a alphabetic digit;
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* You can set #HIO_FMT_INTMAX_TO_UCSTR_NOTRUNC if you require lossless formatting.
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* The #HIO_FMT_INTMAX_TO_UCSTR_PLUSSIGN flag and #HIO_FMT_INTMAX_TO_UCSTR_EMPTYSIGN
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* ensures that the plus sign and a space is added for a positive integer
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* including 0 respectively.
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* The #HIO_FMT_INTMAX_TO_UCSTR_ZEROLEAD flag ensures that the numeric string
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* begins with 0 before applying the prefix.
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* You can set the #HIO_FMT_INTMAX_TO_UCSTR_NOZERO flag if you want the value of
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* 0 to produce nothing. If both #HIO_FMT_INTMAX_TO_UCSTR_NOZERO and
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* #HIO_FMT_INTMAX_TO_UCSTR_ZEROLEAD are specified, '0' is still produced.
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*
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* If \a prefix is not #HIO_NULL, it is inserted before the digits.
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*
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* \return
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* - -1 if the base is not between 2 and 36 inclusive.
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* - negated number of characters required for lossless formatting
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* - if \a bufsize is 0.
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* - if #HIO_FMT_INTMAX_TO_UCSTR_NOTRUNC is set and \a bufsize is less than
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* the minimum required for lossless formatting.
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* - number of characters written to the buffer excluding a terminating
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* null in all other cases.
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*/
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HIO_EXPORT int hio_fmt_intmax_to_ucstr (
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hio_uch_t* buf, /**< buffer pointer */
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int bufsize, /**< buffer size */
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hio_intmax_t value, /**< integer to format */
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int base_and_flags, /**< base ORed with flags */
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int precision, /**< precision */
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hio_uch_t fillchar, /**< fill character */
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const hio_uch_t* prefix /**< prefix */
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);
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/**
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* The hio_fmt_uintmax_to_bcstr() function formats an unsigned integer \a value
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* to a multibyte string buffer. It behaves the same as hio_fmt_intmax_to_bcstr()
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* except that it handles an unsigned integer.
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*/
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HIO_EXPORT int hio_fmt_uintmax_to_bcstr (
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hio_bch_t* buf, /**< buffer pointer */
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int bufsize, /**< buffer size */
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hio_uintmax_t value, /**< integer to format */
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int base_and_flags, /**< base ORed with flags */
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int precision, /**< precision */
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hio_bch_t fillchar, /**< fill character */
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const hio_bch_t* prefix /**< prefix */
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);
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/**
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* The hio_fmt_uintmax_to_ucstr() function formats an unsigned integer \a value
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* to a unicode string buffer. It behaves the same as hio_fmt_intmax_to_ucstr()
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* except that it handles an unsigned integer.
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*/
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HIO_EXPORT int hio_fmt_uintmax_to_ucstr (
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hio_uch_t* buf, /**< buffer pointer */
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int bufsize, /**< buffer size */
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hio_uintmax_t value, /**< integer to format */
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int base_and_flags, /**< base ORed with flags */
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int precision, /**< precision */
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hio_uch_t fillchar, /**< fill character */
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const hio_uch_t* prefix /**< prefix */
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);
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#if defined(HIO_OOCH_IS_BCH)
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# define hio_fmt_intmax_to_oocstr hio_fmt_intmax_to_bcstr
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# define hio_fmt_uintmax_to_oocstr hio_fmt_uintmax_to_bcstr
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#else
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# define hio_fmt_intmax_to_oocstr hio_fmt_intmax_to_ucstr
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# define hio_fmt_uintmax_to_oocstr hio_fmt_uintmax_to_ucstr
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#endif
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/* TODO: hio_fmt_fltmax_to_bcstr()... hio_fmt_fltmax_to_ucstr() */
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|
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#if defined(__cplusplus)
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}
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#endif
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#endif
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