// decode a url string e.g "hello%20joe" or "hello+joe" becomes "hello joe"
void EtherCard::urlDecode (char *urlbuf)
{
char c;
char *dst = urlbuf;
while ((c = *urlbuf) != 0) {
if (c == '+') c = ' ';
if (c == '%') {
c = *++urlbuf;
c = (h2int(c) << 4) | h2int(*++urlbuf);
}
*dst++ = c;
urlbuf++;
}
*dst = '\0';
}
// decode a url string e.g "hello%20joe" or "hello+joe" becomes "hello joe"
void urldecode(char *urlbuf)
{
char c;
char *dst;
dst=urlbuf;
while ((c = *urlbuf)) {
if (c == '+') c = ' ';
if (c == '%') {
urlbuf++;
c = *urlbuf;
urlbuf++;
c = (h2int(c) << 4) | h2int(*urlbuf);
}
*dst = c;
dst++;
urlbuf++;
}
*dst = '\0';
}
/*
* decode_path: decode encoded path name.
*
* i) path encoded path name
* r) decoded path name
*/
char *
decode_path(const unsigned char *path)
{
STATIC_STRBUF(sb);
const unsigned char *p;
if (strchr((const char *)path, '%') == NULL)
return (char *)path;
strbuf_clear(sb);
for (p = path; *p; p++) {
if (*p == '%') {
unsigned char c1, c2;
c1 = *++p;
c2 = *++p;
if (outofrange(c1) || outofrange(c2))
die("decode_path: unexpected character. (%%%c%c)", c1, c2);
strbuf_putc(sb, h2int(c1) * 16 + h2int(c2));
} else
strbuf_putc(sb, *p);
}
return strbuf_value(sb);
}