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我正在尝试从open-mesh.org编译batctl-2012.0.0,使用android-ndk,但是在进行中,tcpdump.c会给出无效的应用程序'sizeof'改为不完整类型'struct ether_arp'。请告诉我在哪里或如何解决它。非常感谢你'sizeof'对不完整类型'struct ether_arp'的无效应用
static void dump_arp(unsigned char *packet_buff, ssize_t buff_len, int time_printed)
{
struct ether_arp *arphdr;
LEN_CHECK((size_t)buff_len, (long)sizeof(struct ether_arp), "ARP");
if (!time_printed)
print_time();
arphdr = (struct ether_arp *)packet_buff;
switch (ntohs(arphdr->arp_op)) {
case ARPOP_REQUEST:
printf("ARP, Request who-has %s", inet_ntoa(*(struct in_addr *)&arphdr->arp_tpa));
printf(" tell %s (%s), length %zd\n", inet_ntoa(*(struct in_addr *)&arphdr->arp_spa),
ether_ntoa_long((struct ether_addr *)&arphdr->arp_sha), buff_len);
break;
case ARPOP_REPLY:
printf("ARP, Reply %s is-at %s, length %zd\n", inet_ntoa(*(struct in_addr *)&arphdr->arp_spa),
ether_ntoa_long((struct ether_addr *)&arphdr->arp_sha), buff_len);
break;
default:
printf("ARP, unknown op code: %i\n", ntohs(arphdr->arp_op));
break;
}
}
,这在终端
/home/renanto/workspace/androidbatctl/jni/tcpdump.c: In function 'dump_arp':
/home/renanto/workspace/androidbatctl/jni/tcpdump.c:96: error: invalid application of 'sizeof' to incomplete type 'struct ether_arp'
/home/renanto/workspace/androidbatctl/jni/tcpdump.c:96: error: invalid application of 'sizeof' to incomplete type 'struct ether_arp'
我有同样的问题,现在我正在寻找哪里的any_arp驻留在Android头。 http://osxr.org/android/ident?_i=ether_arp似乎是这样的目的的好工具 – Mixaz 2014-03-01 07:51:18
根据我的搜索,结构ether_arp没有在Android源代码中定义... – Mixaz 2014-03-01 11:19:43
@Mixaz这是因为它是不是一个Android结构,而是一个Linux结构(准确地说,是一个POSIX结构)。我已经用更多信息更新了我的答案。 – 2014-03-01 12:25:15