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ui.c
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ui.c
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//-----------------------------------------------------------------------------
// Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// UI utilities
//-----------------------------------------------------------------------------
#include <stdbool.h>
#ifndef EXTERNAL_PRINTANDLOG
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <readline/readline.h>
#include <pthread.h>
#endif
#include "ui.h"
double CursorScaleFactor = 1;
int PlotGridX = 0, PlotGridY = 0, PlotGridXdefault = 64, PlotGridYdefault = 64, CursorCPos = 0, CursorDPos = 0;
bool flushAfterWrite = false; //buzzy
int GridOffset = 0;
bool GridLocked = false;
bool showDemod = true;
static char *logfilename = "proxmark3.log";
#ifndef EXTERNAL_PRINTANDLOG
static pthread_mutex_t print_lock = PTHREAD_MUTEX_INITIALIZER;
void PrintAndLog(char *fmt, ...) {
char *saved_line;
int saved_point;
va_list argptr, argptr2;
static FILE *logfile = NULL;
static int logging = 1;
// lock this section to avoid interlacing prints from different threads
pthread_mutex_lock(&print_lock);
if (logging && !logfile) {
logfile = fopen(logfilename, "a");
if (!logfile) {
fprintf(stderr, "Can't open logfile, logging disabled!\n");
logging = 0;
}
}
// If there is an incoming message from the hardware (eg: lf hid read) in
// the background (while the prompt is displayed and accepting user input),
// stash the prompt and bring it back later.
#ifdef RL_STATE_READCMD
// We are using GNU readline. libedit (OSX) doesn't support this flag.
int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
if (need_hack) {
saved_point = rl_point;
saved_line = rl_copy_text(0, rl_end);
rl_save_prompt();
rl_replace_line("", 0);
rl_redisplay();
}
#endif
va_start(argptr, fmt);
va_copy(argptr2, argptr);
vprintf(fmt, argptr);
printf(" "); // cleaning prompt
va_end(argptr);
printf("\n");
#ifdef RL_STATE_READCMD
// We are using GNU readline. libedit (OSX) doesn't support this flag.
if (need_hack) {
rl_restore_prompt();
rl_replace_line(saved_line, 0);
rl_point = saved_point;
rl_redisplay();
free(saved_line);
}
#endif
if (logging && logfile) {
vfprintf(logfile, fmt, argptr2);
fprintf(logfile, "\n");
fflush(logfile);
}
va_end(argptr2);
if (flushAfterWrite) //buzzy
{
fflush(NULL);
}
//release lock
pthread_mutex_unlock(&print_lock);
}
#endif
void SetLogFilename(char *fn) {
logfilename = fn;
}
void SetFlushAfterWrite(bool flush_after_write) {
flushAfterWrite = flush_after_write;
}