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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #ifndef MISC_H
  20 #define MISC_H
  21
  22 /* Format a large-range value for output, using the appropriate unit so that
  23  * the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
  24  * units) if possible, and 3 significant digits are shown. If a buffer is
  25  * given, the result is snprintf()'d into that buffer, otherwise the result is
  26  * voiced.*/
  27 void output_dyn_value(char *buf, int buf_size, int value,
  28                       const unsigned char **units, bool bin_scale);
  29
  30 char *create_numbered_filename(char *buffer, const char *path,
  31                                const char *prefix, const char *suffix,
  32                                int numberlen);
  33 #ifdef CONFIG_RTC
  34 char *create_datetime_filename(char *buffer, const char *path,
  35                                const char *prefix, const char *suffix);
  36 #endif
  37
  38 /* Read (up to) a line of text from fd into buffer and return number of bytes
  39  * read (which may be larger than the number of bytes stored in buffer). If
  40  * an error occurs, -1 is returned (and buffer contains whatever could be
  41  * read). A line is terminated by a LF char. Neither LF nor CR chars are
  42  * stored in buffer.
  43  */
  44 int read_line(int fd, char* buffer, int buffer_size);
  45 int fast_readline(int fd, char *buf, int buf_size, void *parameters,
  46                   int (*callback)(int n, const char *buf, void *parameters));
  47
  48 #ifdef HAVE_LCD_BITMAP
  49 /* Save a .BMP file containing the current screen contents. */
  50 void screen_dump(void);
  51 void screen_dump_set_hook(void (*hook)(int fh));
  52 #endif
  53
  54 bool settings_parseline(char* line, char** name, char** value);
  55 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter);
  56 long default_event_handler(long event);
  57 void car_adapter_mode_init(void);
  58 extern int show_logo(void);
  59
  60 #endif