void url_stream_decode(const char *ch,char* dest, int state[]){
//printf("%c,%d\n",*ch,state[CURSOR]);
if(state[STAGE]==0){
if(*ch=='+'){
dest[state[CURSOR]++]=' ';
}else if(*ch=='%'){
state[STAGE]=1;
}else{
dest[state[CURSOR]++]=*ch;
}
}else if(state[STAGE]==1){
state[STAGE]=2;
}else if (state[STAGE]==2){
//printf("Make char %c:%d, %c:%d\n",*(ch-1),(int)(*(ch-1)),*ch,(int)(*ch));
if(validHex((char*)ch)&&validHex((char *)(ch-1))){
dest[state[CURSOR]++] = (c_to_hex(*(ch-1)) << 4) + c_to_hex(*ch);
}
state[STAGE]=0;
}
}
/******************************************************************************
** Function: read_hex_data()
**
** Purpose:
** This routine reads hex digits from the file specified by fc and places the
** data in the buffer specified by the void buffer pointer. The software will
** read data until it hits the end of the line or it has read max_bytes of data.
** Note that his code assumes that there will be only one data item (packet) per line.
*/
static void read_hex_data(utf_file_context_type *fc, void *buffer, unsigned short int max_bytes, unsigned short int data_type)
{
unsigned short int i;
unsigned short int bytes_read = 0;
unsigned long int *dword_ptr = (unsigned long int *)buffer;
unsigned short int *word_ptr = (unsigned short int *)buffer;
unsigned char *byte_ptr = (unsigned char *)buffer;
switch(data_type) {
/* assumes that 1 NUMBER token has already been read prior to calling this routine */
case UTF_AS_BYTE:
while ((token != END_OF_LINE) && (bytes_read < max_bytes)) {
*byte_ptr = 0;
for (i=0; i < 2; i++) {
if (token == END_OF_LINE) UTF_error("File: %s, Line: %d, Not Enough Characters For AS_BYTE Read", fc->filename, fc->line_number-1);
if (token != NUMBER) UTF_error("File: %s, Line: %d, Invalid Hex Number Read", fc->filename, fc->line_number);
*byte_ptr = (*byte_ptr << 4) + c_to_hex(number_token);
token = get_token(fc);
}
bytes_read += 1;
byte_ptr++;
}
if ((token != END_OF_LINE) && (bytes_read >= max_bytes))
UTF_error("File: %s, Line: %d, Input Data Exceeds Max Size of %d", fc->filename, fc->line_number, max_bytes);
break;
case UTF_AS_WORD:
if ((max_bytes % 2) != 0) UTF_error("File: %s, Line: %d, Invalid Max_Bytes Parameter For AS_WORD Read, %d", fc->filename, fc->line_number, max_bytes);
while ((token != END_OF_LINE) && (bytes_read < max_bytes)) {
*word_ptr = 0;
for (i=0; i < 4; i++) {
if (token == END_OF_LINE) UTF_error("File: %s, Line: %d, Not Enough Characters For AS_WORD Read", fc->filename, fc->line_number-1);
if (token != NUMBER) UTF_error("File: %s, Line: %d, Invalid Hex Number Read", fc->filename, fc->line_number);
*word_ptr = (*word_ptr << 4) + c_to_hex(number_token);
token = get_token(fc);
}
bytes_read += 2;
word_ptr++;
}
if ((token != END_OF_LINE) && (bytes_read >= max_bytes))
UTF_error("File: %s, Line: %d, Input Data Exceeds Max Size of %d", fc->filename, fc->line_number, max_bytes);
break;
case UTF_AS_DWORD:
if ((max_bytes % 4) != 0) UTF_error("File: %s, Line: %d, Invalid Max_Bytes Parameter For AS_DWORD Read, %d", fc->filename, fc->line_number, max_bytes);
while ((token != END_OF_LINE) && (bytes_read < max_bytes)) {
*dword_ptr = 0;
for (i=0; i < 8; i++) {
if (token == END_OF_LINE) UTF_error("File: %s, Line: %d, Not Enough Characters For AS_DWORD Read", fc->filename, fc->line_number-1);
if (token != NUMBER) UTF_error("File: %s, Line: %d, Invalid Hex Number Read", fc->filename, fc->line_number);
*dword_ptr = (*dword_ptr << 4) + c_to_hex(number_token);
token = get_token(fc);
}
bytes_read += 4;
dword_ptr++;
}
if ((token != END_OF_LINE) && (bytes_read >= max_bytes))
UTF_error("File: %s, Line: %d, Input Data Exceeds Max Size of %d", fc->filename, fc->line_number, max_bytes);
break;
default:
UTF_error("File: %s, Line: %d, Invalid DATA_TYPE For Read, %d", fc->filename, fc->line_number, data_type);
break;
}
}
