/*
* Copyright (c) 2019-2021 David Timber <mieabby@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#ifndef CONFIG_GEN_H
#include "config_gen.h"
#define CONFIG_GEN_H
#endif
#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
#if PRNE_DEBUG
#include <stdio.h>
#include <errno.h>
#endif

#define PRNE_VL_FATAL	0
#define PRNE_VL_ERR		1
#define PRNE_VL_INFO	1
#define PRNE_VL_WARN	2
#define PRNE_VL_DBG0	3

#define PRNE_LIMIT_ENUM(t,x,l) _Static_assert((x) <= (l),"enum overflow: "#t)
#define prne_static_assert(expr, msg) _Static_assert((expr), msg)

#define prne_op_min(a, b) ((a) < (b) ? (a) : (b))
#define prne_op_max(a, b) ((a) > (b) ? (a) : (b))
#define prne_op_spaceship(a, b) ((a) == (b) ? 0 : (a) < (b) ? -1 : 1)

#define prne_salign_next(x, align) \
	(((x) % (align) == 0) ? (x) : ((x) / (align) + 1) * (align))
#define prne_salign_at(x, align) \
	(((x) % (align) == 0) ? (x) : ((x) / (align)) * (align))

#if PRNE_DEBUG
#define prne_dbgpf(...) fprintf(stderr, __VA_ARGS__)
#define prne_dbgperr(str) perror(str)
#define prne_assert(expr) assert(expr)
#define prne_massert(expr, ...)\
	if (!(expr)) {\
		fprintf(stderr, "*** ");\
		fprintf(stderr, __VA_ARGS__);\
		fprintf(stderr, "\n");\
		abort();\
	}
#define prne_dbgast(expr) prne_assert(expr)
#define prne_dbgmast(expr, ...) prne_massert(expr, __VA_ARGS__)
#define prne_dbgtrap(expr) prne_assert(expr)
#else
#define prne_dbgpf(...)
#define prne_dbgperr(str)
#define prne_assert(expr)\
	if (!(expr)) {\
		abort();\
	}
#define prne_massert(expr, ...) prne_assert(expr)
#define prne_dbgast(expr)
#define prne_dbgmast(expr, ...)
#define prne_dbgtrap(expr) (expr)
#endif

#define prne_chk_assign(l, r) \
	if ((l) != NULL) {\
		*(l) = (r);\
	}

// include <errno.h> if you get compilation errors
#define prne_is_nberr(expr) ((expr) == EAGAIN || (expr) == EWOULDBLOCK)