apps/misc.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Daniel Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef MISC_H
  22 #define MISC_H
  23
  24 #include <stdbool.h>
  25 #include <inttypes.h>
  26 #include "config.h"
  27 #include "system.h"
  28 #include "screen_access.h"
  29
  30 extern const unsigned char * const byte_units[];
  31 extern const unsigned char * const * const kbyte_units;
  32
  33 /* Format a large-range value for output, using the appropriate unit so that
  34  * the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
  35  * units) if possible, and 3 significant digits are shown. If a buffer is
  36  * given, the result is snprintf()'d into that buffer, otherwise the result is
  37  * voiced.*/
  38 char *output_dyn_value(char *buf, int buf_size, int value,
  39                       const unsigned char * const *units, bool bin_scale);
  40
  41 /* Format time into buf.
  42  *
  43  * buf      - buffer to format to.
  44  * buf_size - size of buffer.
  45  * t        - time to format, in milliseconds.
  46  */
  47 void format_time(char* buf, int buf_size, long t);
  48
  49 /* Ask the user if they really want to erase the current dynamic playlist
  50  * returns true if the playlist should be replaced */
  51 bool warn_on_pl_erase(void);
  52
  53 /* Read (up to) a line of text from fd into buffer and return number of bytes
  54  * read (which may be larger than the number of bytes stored in buffer). If
  55  * an error occurs, -1 is returned (and buffer contains whatever could be
  56  * read). A line is terminated by a LF char. Neither LF nor CR chars are
  57  * stored in buffer.
  58  */
  59 int read_line(int fd, char* buffer, int buffer_size);
  60 int fast_readline(int fd, char *buf, int buf_size, void *parameters,
  61                   int (*callback)(int n, const char *buf, void *parameters));
  62
  63 bool settings_parseline(char* line, char** name, char** value);
  64 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter);
  65 long default_event_handler(long event);
  66 bool list_stop_handler(void);
  67 void car_adapter_mode_init(void);
  68 extern int show_logo(void);
  69
  70 int open_utf8(const char* pathname, int flags);
  71
  72 #ifdef BOOTFILE
  73 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF) \
  74         || defined(HAVE_HOTSWAP_STORAGE_AS_MAIN)
  75 void check_bootfile(bool do_rolo);
  76 #endif
  77 #endif
  78
  79 /* check range, set volume and save settings */
  80 void setvol(void);
  81
  82 #ifdef HAVE_LCD_COLOR
  83 int hex_to_rgb(const char* hex, int* color);
  84 #endif
  85
  86 char* strrsplt(char* str, int c);
  87 char* skip_whitespace(char* const str);
  88
  89 /*
  90  * removes the extension of filename (if it doesn't start with a .)
  91  * puts the result in buffer
  92  */
  93 char *strip_extension(char* buffer, int buffer_size, const char *filename);
  94
  95 #ifdef HAVE_LCD_BITMAP
  96 bool parse_color(enum screen_type screen, char *text, int *value);
  97
  98 /* only used in USB HID and set_time screen */
  99 #if defined(USB_ENABLE_HID) || (CONFIG_RTC != 0)
 100 int clamp_value_wrap(int value, int max, int min);
 101 #endif
 102 #endif
 103
 104 #endif /* MISC_H */