blob: d85b9d0c20ca511f40ba03502fe04276106ac1c5 [file] [log] [blame]
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2012 Intel Corporation. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdbool.h>
#include <ctype.h>
#include <readline/readline.h>
#include "display.h"
void rl_printf(const char *fmt, ...)
{
va_list args;
bool save_input;
char *saved_line;
int saved_point;
save_input = !RL_ISSTATE(RL_STATE_DONE);
if (save_input) {
saved_point = rl_point;
saved_line = rl_copy_text(0, rl_end);
rl_save_prompt();
rl_replace_line("", 0);
rl_redisplay();
}
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
if (save_input) {
rl_restore_prompt();
rl_replace_line(saved_line, 0);
rl_point = saved_point;
rl_forced_update_display();
free(saved_line);
}
}
void rl_hexdump(const unsigned char *buf, size_t len)
{
static const char hexdigits[] = "0123456789abcdef";
char str[68];
size_t i;
if (!len)
return;
str[0] = ' ';
for (i = 0; i < len; i++) {
str[((i % 16) * 3) + 1] = ' ';
str[((i % 16) * 3) + 2] = hexdigits[buf[i] >> 4];
str[((i % 16) * 3) + 3] = hexdigits[buf[i] & 0xf];
str[(i % 16) + 51] = isprint(buf[i]) ? buf[i] : '.';
if ((i + 1) % 16 == 0) {
str[49] = ' ';
str[50] = ' ';
str[67] = '\0';
rl_printf("%s\n", str);
str[0] = ' ';
}
}
if (i % 16 > 0) {
size_t j;
for (j = (i % 16); j < 16; j++) {
str[(j * 3) + 1] = ' ';
str[(j * 3) + 2] = ' ';
str[(j * 3) + 3] = ' ';
str[j + 51] = ' ';
}
str[49] = ' ';
str[50] = ' ';
str[67] = '\0';
rl_printf("%s\n", str);
}
}