panel-plugin/hdaps.h

   1 /*
   2  * xfce4-hdaps, an XFCE4 panel plugin for the HDAPS system.
   3  *
   4  * Copyright (C) 2019 Michael Orlitzky
   5  *
   6  *   http://michael.orlitzky.com/
   7  *
   8  * This program is free software: you can redistribute it and/or modify
   9  * it under the terms of the GNU Affero General Public License as
  10  * published by the Free Software Foundation, either version 3 of the
  11  * License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU Affero General Public License for more details:
  17  *
  18  *   https://www.gnu.org/licenses/agpl-3.0.html
  19  *
  20  */
  21
  22 #ifndef __HDAPS_H__
  23 #define __HDAPS_H__
  24
  25 #include <stdio.h>
  26
  27 #define HDAPS_ERROR     -1
  28 #define HDAPS_OFF        0
  29 #define HDAPS_ON         1
  30 #define UNLOAD_HEADS_FMT "/sys/block/%s/device/unload_heads"
  31
  32 /* The most devices we'll consider. Gotta stop somewhere. */
  33 #define MAX_HDAPS_DEVICES 12
  34
  35 int parse_int_from_file(const char* filename);
  36 int slurp_file(const char* filename, char* buf, int max_bytes);
  37 int get_hdaps_device_list(char list[MAX_HDAPS_DEVICES][FILENAME_MAX]);
  38
  39 #endif