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https://github.com/zint/zint
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e30e1f9651
QRCODE: use stricter interpretation of ZINT_FULL_MULTIBYTE, excluding certain trailing bytes libzint: fix some confusing error messages introduced by segment stuff general: new escape chars \U, \d and \o backend_qt: fudge rendering of border rectangles due to scaling/translation rounding errors TODO: better fudge GUI: foreground/background colours -> text boxes and icon buttons, add swap button, independently movable picker (NULL parent), preview colour changes, preview Data Window changes, add clear data (del) buttons, add zap button and Factory Reset menu option, various other fixes libzint: remove STATIC_UNLESS_ZINT_TEST, use wrappers CMake: add find package QtSvg, remove QtXml manual: split symbology and general specs and sort, move DAFT to 4-state, UPC/EAN -> EAN/UPC, DataBar -> GS1 DataBar always, expand MAILMARK info, various other fiddlings man page: options or -> |, expand MSI Plessey check digit options README.linux: add packages info license: add SPDX-License-Identifier to touched files
83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
/* large.h - Handles binary manipulation of large numbers */
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/*
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libzint - the open source barcode library
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Copyright (C) 2008-2022 Robin Stuart <rstuart114@gmail.com>
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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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3. Neither the name of the project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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*/
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/* SPDX-License-Identifier: BSD-3-Clause */
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#ifndef Z_LARGE_H
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#define Z_LARGE_H
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#ifndef _MSC_VER
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#include <stdint.h>
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#else
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#include "ms_stdint.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef struct { uint64_t lo; uint64_t hi; } large_int;
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#define large_lo(s) ((s)->lo)
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#define large_hi(s) ((s)->hi)
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/* Set 128-bit `t` from 128-bit `s` */
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#define large_load(t, s) do { *(t) = *(s); } while (0)
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/* Set 128-bit `t` from 64-bit `s` */
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#define large_load_u64(t, s) do { (t)->lo = (s); (t)->hi = 0; } while (0)
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INTERNAL void large_load_str_u64(large_int *t, const unsigned char *s, const int length);
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INTERNAL void large_add(large_int *t, const large_int *s);
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INTERNAL void large_add_u64(large_int *t, const uint64_t s);
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INTERNAL void large_sub_u64(large_int *t, const uint64_t s);
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INTERNAL void large_mul_u64(large_int *t, const uint64_t s);
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INTERNAL uint64_t large_div_u64(large_int *t, uint64_t v);
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INTERNAL void large_unset_bit(large_int *t, const int bit);
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INTERNAL void large_uint_array(const large_int *t, unsigned int *uint_array, const int size, int bits);
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INTERNAL void large_uchar_array(const large_int *t, unsigned char *uchar_array, const int size, int bits);
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INTERNAL char *large_dump(const large_int *t, char *buf);
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INTERNAL void large_print(const large_int *t);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/* vim: set ts=4 sw=4 et : */
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#endif /* Z_LARGE_H */
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