int _tmain(int argc, _TCHAR* argv[])
{
int n;
char *binary,*octal;
printf("enter size of binary number \n");
scanf("%d",&n);
binary=(char *)malloc(n*sizeof(char));
octal=(char *)malloc((n/3+1)*sizeof(char));
printf("enter binary number \n");
scanf("%s",binary);
octal=toOctal(binary,octal);
printf("%s",octal);
return 0;
}
int GetToken(unsigned char* buffer,int start,unsigned char* outBuffer,bool escapeChars,int *nextChar)
{
int count,outcount = 0;
bool finished(false),quotesOn(false);
unsigned char temp;
for (count=0;count<strlen((const char*)buffer) && !finished;count++)
{
if (escapeChars)
{
if (buffer[start+count] == '\\')
{
count++;
switch(buffer[start+count])
{
case 'n':
outBuffer[outcount++] = 0x0a;
break;
case 't':
outBuffer[outcount++] = 0x09;
break;
case 'v':
outBuffer[outcount++] = 0x0b;
break;
case 'b':
outBuffer[outcount++] = 0x08;
break;
case 'r':
outBuffer[outcount++] = 0x0d;
break;
case 'f':
outBuffer[outcount++] = 0x0c;
break;
case 'a':
outBuffer[outcount++] = 0x07;
break;
case '\\':
outBuffer[outcount++] = '\\';
break;
case '\"':
outBuffer[outcount++] = '\"';
break;
case ' ':
/* remove leading spaces */
if (outcount != 0)
outBuffer[outcount++] = ' ';
break;
case 'x':
/* do hex coverstion */
if (isHexDigit(buffer[start+count+1]) && isHexDigit(buffer[start+count+2]))
{
outBuffer[outcount++] = toHex(buffer[start+count+1],buffer[start+count+2]);
}
count += 2;
break;
case '0':
if (!isdigit(buffer[start+count+1]))
{
outBuffer[outcount++] = '\0';
break;
}
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
/* do Octal conersion */
outBuffer[outcount++] = toOctal(buffer[start+count],buffer[start+count+1],buffer[start+count+2]);
count += 2;
break;
default:
/* bad escape code */
count++;
finished = true;
}
}
else if (buffer[start+count] == '\"')
{
/* the token is in quotes - so must ignore spaces within */
quotesOn = !quotesOn;
}else{
/* not a escape char - and lose leading spaces */
if (!(outcount == 0 && buffer[start+count] == ' '))
{
if ((!quotesOn && (buffer[start+count] == ' ' || buffer[start+count] == '\n')) || buffer[start+count] == '\0')
{
finished = true;
outBuffer[outcount] = '\0';
}else{
outBuffer[outcount++] = buffer[start + count];
}
}
}
}else{
/* dont convert escape chrs */
if (!(outcount == 0 && buffer[start+count] == ' '))
{
if (buffer[start+count] == ' ' || buffer[start+count] == '\n' || buffer[start+count] == '\0')
{
finished = true;
}else{
outBuffer[outcount++] = buffer[start + count];
outBuffer[outcount] = '\0';
}
}
}
}
*nextChar = (start+count);
return outcount;
}
