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/**
* This file is part of samsung-ril.
*
* Copyright (C) 2010-2011 Joerie de Gram <j.de.gram@gmail.com>
*
* samsung-ril 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 3 of the License, or
* (at your option) any later version.
*
* samsung-ril 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 samsung-ril. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <string.h>
#define LOG_TAG "RIL-UTIL"
#include <utils/Log.h>
/**
* Converts a hexidecimal string to binary
*/
void hex2bin(const char *data, int length, unsigned char *buf)
{
int i = 0;
char b = 0;
unsigned char *p = buf;
length ^= 0x01;
while(i < length) {
b = 0;
if(data[i] - '0' < 10)
b = data[i] - '0';
else if(data[i] - 'a' < 7)
b = data[i] - 'a' + 10;
else if(data[i] - 'A' < 7)
b = data[i] - 'A' + 10;
i++;
b = (b << 4);
if(data[i] - '0' < 10)
b |= data[i] - '0';
else if(data[i] - 'a' < 7)
b |= data[i] - 'a' + 10;
else if(data[i] - 'A' < 7)
b |= data[i] - 'A' + 10;
i++;
*p++ = b;
}
}
/**
* Converts binary data to a hexidecimal string
*/
void bin2hex(const unsigned char *data, int length, char *buf)
{
int i;
char b;
char *p = buf;
for(i = 0; i < length; i++) {
b = 0;
b = (data[i] >> 4 & 0x0f);
b += (b < 10) ? '0' : ('a' - 10);
*p++ = b;
b = (data[i] & 0x0f);
b += (b < 10) ? '0' : ('a' - 10);
*p++ = b;
}
*p = '\0';
}
void hex_dump(void *data, int size)
{
/* dumps size bytes of *data to stdout. Looks like:
* [0000] 75 6E 6B 6E 6F 77 6E 20
* 30 FF 00 00 00 00 39 00 unknown 0.....9.
* (in a single line of course)
*/
unsigned char *p = data;
unsigned char c;
int n;
char bytestr[4] = {0};
char addrstr[10] = {0};
char hexstr[ 16*3 + 5] = {0};
char charstr[16*1 + 5] = {0};
for(n=1;n<=size;n++) {
if (n%16 == 1) {
/* store address for this line */
snprintf(addrstr, sizeof(addrstr), "%.4x",
((unsigned int)p-(unsigned int)data) );
}
c = *p;
if (isalnum(c) == 0) {
c = '.';
}
/* store hex str (for left side) */
snprintf(bytestr, sizeof(bytestr), "%02X ", *p);
strncat(hexstr, bytestr, sizeof(hexstr)-strlen(hexstr)-1);
/* store char str (for right side) */
snprintf(bytestr, sizeof(bytestr), "%c", c);
strncat(charstr, bytestr, sizeof(charstr)-strlen(charstr)-1);
if(n%16 == 0) {
/* line completed */
LOGD("[%4.4s] %-50.50s %s", addrstr, hexstr, charstr);
hexstr[0] = 0;
charstr[0] = 0;
} else if(n%8 == 0) {
/* half line: add whitespaces */
strncat(hexstr, " ", sizeof(hexstr)-strlen(hexstr)-1);
strncat(charstr, " ", sizeof(charstr)-strlen(charstr)-1);
}
p++; /* next byte */
}
if (strlen(hexstr) > 0) {
/* print rest of buffer if not empty */
LOGD("[%4.4s] %-50.50s %s\n", addrstr, hexstr, charstr);
}
}
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