C++ (Cpp) tvb_get_ntohieee_double示例

示例#1

文件： wslua_tvb.c 项目： AndresVelasco/wireshark

/*
 *  get a Blefuscuoan float
 */
WSLUA_METHOD TvbRange_float(lua_State* L) {
	/* Get a Big Endian (network order) floating point number from a TvbRange. The range must be 4 or 8 octets long. */
    TvbRange tvbr = checkTvbRange(L,1);
    if (!(tvbr && tvbr->tvb)) return 0;
    if (tvbr->tvb->expired) {
        luaL_error(L,"expired tvb");
        return 0;
    }

    switch (tvbr->len) {
        case 4:
            lua_pushnumber(L,(double)tvb_get_ntohieee_float(tvbr->tvb->ws_tvb,tvbr->offset));
            return 1;
        case 8:
            lua_pushnumber(L,tvb_get_ntohieee_double(tvbr->tvb->ws_tvb,tvbr->offset));
            WSLUA_RETURN(1); /* The floating point value */
        default:
            luaL_error(L,"TvbRange:float() does not handle %d byte floating numbers",tvbr->len);
            return 0;
    }
}

示例#2

文件： packet-minecraft.c 项目： ieee8023/minecraft-dissector

static void add_double_coordinates( proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, guint32 offset, guint32 xoffset, guint32 yoffset, guint32 zoffset)
{
    proto_item *ti;
    proto_tree * coord_tree;
    ti = proto_tree_add_none_format(tree, hf_mc_double_coords, tvb, offset, -1, "Coordinates: %f, %f, %f", tvb_get_ntohieee_double(tvb, offset+xoffset), tvb_get_ntohieee_double(tvb, offset+yoffset), tvb_get_ntohieee_double(tvb, offset+zoffset));
    coord_tree = proto_item_add_subtree(ti, ett_mc_double_coords);
    proto_tree_add_item(coord_tree, hf_mc_x, tvb, offset + xoffset, 8, FALSE);
    proto_tree_add_item(coord_tree, hf_mc_y, tvb, offset + yoffset, 8, FALSE);
    proto_tree_add_item(coord_tree, hf_mc_z, tvb, offset + zoffset, 8, FALSE);
}