/*
* carlu - userspace testing utility for ar9170 devices
*
* Random assortment of debug stuff
*
* Copyright 2009-2011 Christian Lamparter <[email protected]>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

#include "debug.h"

bool print_message_debug_level;
enum debug_level_t debug_level;
FILE *_stdout;
FILE *_stddbg;
FILE *_stderr;

void init_debug()
{
debug_level = VERBOSE;
debug_level = INFO;
print_message_debug_level = false;

_stdout = stdout;
_stddbg = stdout;
_stderr = stderr;
}

FILE *dbg_lvl_to_fh(const enum debug_level_t lvl)
{
switch (lvl) {
case ERROR:
case WARNING:
return _stderr;
case INFO:
return _stdout;
case VERBOSE:
return _stddbg;
default:
BUG_ON(1);
}
}

void print_hex_dump_bytes(const enum debug_level_t lvl, const char *pre,
const void *buf, size_t len)
{
char line[58];
char str[17] = { 0 };
const unsigned char *tmp = (void *) buf;
char *pbuf = line;
size_t i, j;

for (i = 0; i < len; i++) {
if (i % 16 == 0) {
if (pbuf != line) {
__fprintf(lvl, "%s%s: %s\n", pre, line, str);
pbuf = line;
}

pbuf += sprintf(pbuf, "0x%04lx: ", (unsigned long)i);
}

pbuf += sprintf(pbuf, "%.2x ", tmp[i]);
str[i % 16] = (isprint(tmp[i]) && isascii(tmp[i])) ? tmp[i] : '.';
}
if (pbuf != line) {
if ((i % 16)) {
str[i % 16] = '\0';

for (j = 0; j < (16 - (i % 16)); j++)
pbuf += sprintf(pbuf, " ");
}

__fprintf(lvl, "%s%s: %s\n", pre, line, str);
}
}