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#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) {
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;
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;
*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 = (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';
}
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