git.zerfleddert.de Git - proxmark3-svn/blob - client/ui.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
   3 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
   4 //
   5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   6 // at your option, any later version. See the LICENSE.txt file for the text of
   7 // the license.
   8 //-----------------------------------------------------------------------------
   9 // UI utilities
  10 //-----------------------------------------------------------------------------
  11
  12 #include <stdarg.h>
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15 #include <time.h>
  16 #include <readline/readline.h>
  17
  18 #include "ui.h"
  19
  20 double CursorScaleFactor;
  21 int PlotGridX, PlotGridY;
  22 int offline;
  23
  24 static char *logfilename = "proxmark3.log";
  25
  26 void PrintAndLog(char *fmt, ...)
  27 {
  28         char *saved_line;
  29         int saved_point;
  30   va_list argptr, argptr2;
  31   static FILE *logfile = NULL;
  32   static int logging=1;
  33
  34   if (logging && !logfile) {
  35     logfile=fopen(logfilename, "a");
  36     if (!logfile) {
  37       fprintf(stderr, "Can't open logfile, logging disabled!\n");
  38       logging=0;
  39     }
  40   }
  41
  42         int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
  43
  44         if (need_hack) {
  45                 saved_point = rl_point;
  46                 saved_line = rl_copy_text(0, rl_end);
  47                 rl_save_prompt();
  48                 rl_replace_line("", 0);
  49                 rl_redisplay();
  50         }
  51
  52   va_start(argptr, fmt);
  53   va_copy(argptr2, argptr);
  54   vprintf(fmt, argptr);
  55   vprintf("          ", 0); // cleaning prompt
  56   va_end(argptr);
  57   printf("\n");
  58
  59         if (need_hack) {
  60                 rl_restore_prompt();
  61                 rl_replace_line(saved_line, 0);
  62                 rl_point = saved_point;
  63                 rl_redisplay();
  64                 free(saved_line);
  65         }
  66
  67   if (logging && logfile) {
  68     vfprintf(logfile, fmt, argptr2);
  69     fprintf(logfile,"\n");
  70     fflush(logfile);
  71   }
  72   va_end(argptr2);
  73 }
  74
  75 void SetLogFilename(char *fn)
  76 {
  77   logfilename = fn;
  78 }