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/* scale, for libreswan
*
* Copyright (C) 2024 Andrew Cagney
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/lgpl-2.1.txt>.
*
* This library 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 Library General Public
* License for more details.
*
*/
#ifndef SCALE_H
#define SCALE_H
#include <stdint.h> /* for uintmax_t */
#include "shunk.h"
struct jambuf;
struct scale {
const char *suffix;
uintmax_t multiplier;
};
/* for debugging */
#define PRI_SCALE "1%s(%juu)"
#define pri_scale(TS) (TS)->suffix, (TS)->multiplier
struct scales {
uintmax_t base;
struct {
const struct scale *list;
unsigned len;
} scale;
};
const struct scale *ttoscale(shunk_t cursor, const struct scales *scales,
unsigned default_scale);
err_t scale_decimal(const struct scale *scale, uintmax_t decimal,
uintmax_t numerator, uintmax_t denominator,
uintmax_t *value);
size_t jam_decimal(struct jambuf *buf, uintmax_t decimal, uintmax_t numerator, uintmax_t denominator);
#endif
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