/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
It is considered beerware. Prost. Skol. Cheers or whatever. */
#include "scan.h"
#include "scan_urlencoded_query" | ":"
*/
static const unsigned char is_unreserved[256] = {
8,0,0,0,0,0,0,0,0,0,8,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0
};
static unsigned char fromhex(unsigned char x) {
x-='0'; if( x<=9) return x;
x&=~0x20; x-='A'-'0';
if( x<6 ) return x+10;
return 0xff;
}
void scan_urlencoded_skipvalue( char **string ) {
const unsigned char* s=*(const unsigned char**) string;
unsigned char f;
while( ( f = is_unreserved[ *s++ ] ) & SCAN_SEARCHPATH_VALUE );
if( f & SCAN_SEARCHPATH_TERMINATOR ) --s;
*string = (char*)s;
ssize_t scan_urlencoded_query(char **string, char *deststring, SCAN_SEARCHPATH_FLAG flags) {
unsigned char *d = (unsigned char*)deststring;
unsigned char b, c, f;
while( ( f = is_unreserved[ c = *s++ ] ) & flags ) {
if( c=='%') {
if( ( b = fromhex(*s++) ) == 0xff ) return -1;
if( ( c = fromhex(*s++) ) == 0xff ) return -1;
c|=(b<<4);
}
*d++ = c;
}
switch( c ) {
case 0: case '\r': case '\n': case ' ':
if( d == (unsigned char*)deststring ) return -2;
--s;
break;
case '?':;
ssize_t scan_fixed_ip( char *data, size_t len, unsigned char ip[4] ) {
int u, i;
for( i=0; i<4; ++i ) {
ssize_t j = scan_fixed_int( data, len, &u );
if( j == (ssize_t)len ) return len;
ip[i] = u;
data += len - j;
len = j;
if ( i<3 ) {
if( !len || *data != '.') return -1;
--len; ++data;