Esempi in C++ (Cpp) per ws_xton

Esempio n. 1

File: packet-cups.c Progetto: MichaelQQ/Wireshark-PE

static guint
get_hex_uint(tvbuff_t *tvb, gint offset, gint *next_offset)
{
    int c;
    guint u = 0;

    while (g_ascii_isxdigit(c = tvb_get_guint8(tvb, offset))) {
        u = 16*u + ws_xton(c);

        offset++;
    }

    *next_offset = offset;

    return u;
}

Esempio n. 2

File: packet-http-urlencoded.c Progetto: acaceres2176/wireshark

static int
get_form_key_value(tvbuff_t *tvb, char **ptr, int offset, char stop)
{
	const int orig_offset = offset;
	char *tmp;
	int len;

	len = 0;
	while (tvb_reported_length_remaining(tvb, offset) > 0) {
		guint8 ch;

		ch = tvb_get_guint8(tvb, offset);
		if (!ch)
			return -1;
		if (ch == stop)
			break;
		if (ch == '%') {
			offset++;
			ch = tvb_get_guint8(tvb, offset);
			if (ws_xton(ch) == -1)
				return -1;

			offset++;
			ch = tvb_get_guint8(tvb, offset);
			if (ws_xton(ch) == -1)
				return -1;
		}

		len++;
		offset++;
	}

	*ptr = tmp = (char*)wmem_alloc(wmem_packet_scope(), len + 1);
	tmp[len] = '\0';

	len = 0;
	offset = orig_offset;
	while (tvb_reported_length_remaining(tvb, offset) > 0) {
		guint8 ch;

		ch = tvb_get_guint8(tvb, offset);
		if (!ch)
			return -1;
		if (ch == stop)
			break;

		if (ch == '%') {
			guint8 ch1, ch2;

			offset++;
			ch1 = tvb_get_guint8(tvb, offset);

			offset++;
			ch2 = tvb_get_guint8(tvb, offset);

			tmp[len] = ws_xton(ch1) << 4 | ws_xton(ch2);

		} else if (ch == '+')
			tmp[len] = ' ';
		else
			tmp[len] = ch;

		len++;
		offset++;
	}

	return offset;
}