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/* lset modifiers, for libreswan
*
* Copyright (C) 2017-2019 Andrew Cagney <cagney@gnu.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU 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/gpl2.txt>.
*
* This program 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.
*/
#ifndef _LMOD_H_
#define _LMOD_H_
#include "lset.h"
struct jambuf;
/*
* lmod_t is for modifying an lset_t.
*
* It needs a better name.
*/
typedef struct {
lset_t set;
lset_t clr;
} lmod_t;
extern const lmod_t empty_lmod;
lset_t lmod(lset_t set, lmod_t mod);
lmod_t lmod_set(lmod_t lhs, lset_t set);
lmod_t lmod_clr(lmod_t lhs, lset_t set);
bool lmod_is_set(lmod_t lhs, lset_t set);
bool lmod_is_clr(lmod_t lhs, lset_t set);
bool lmod_empty(lmod_t mod);
void lmod_merge(lmod_t *lhs, lmod_t rhs);
struct lmod_alias {
const char *name;
lset_t bits;
};
struct lmod_info {
const struct enum_names *names;
lset_t mask;
struct lmod_alias *aliases;
};
bool lmod_arg(lmod_t *mod, const struct lmod_info *info,
const char *optarg, bool enable);
typedef struct {
char buf[512]; /* arbitrary */
} lmod_buf;
size_t jam_lmod(struct jambuf *buf, const struct enum_names *names,
lmod_t mod);
const char *str_lmod(const struct enum_names *sd,
lmod_t val, lmod_buf *buf);
#endif
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