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/*
* BSD Zero Clause License
*
* Copyright (c) 2022 Thomas Voss
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef LUX_H
#define LUX_H
#include <stdio.h>
#define LUX_BACKLIGHT_DIR "/sys/class/backlight"
#ifdef O_PATH
#define LUX_GDIR_FLAGS O_PATH
#else
#define LUX_GDIR_FLAGS (O_RDONLY | O_DIRECTORY)
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int __dirfd, __max;
FILE *__bstream;
} lux_t;
void luxfree(lux_t *);
int luxinit(lux_t *);
int luxmax(lux_t *);
int luxget(lux_t *);
int luxset(lux_t *, int);
int luxinc(lux_t *, int);
int luxdec(lux_t *, int);
double luxgetp(lux_t *);
double luxsetp(lux_t *, double);
double luxincp(lux_t *, double);
double luxdecp(lux_t *, double);
#ifdef __cplusplus
}
#endif
#endif /* !LUX_H */
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