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Diffstat (limited to 'platform/android/ifaddrs_android.cpp')
-rw-r--r--platform/android/ifaddrs_android.cpp11
1 files changed, 10 insertions, 1 deletions
diff --git a/platform/android/ifaddrs_android.cpp b/platform/android/ifaddrs_android.cpp
index c1e9eb3584..f6d5cdbe77 100644
--- a/platform/android/ifaddrs_android.cpp
+++ b/platform/android/ifaddrs_android.cpp
@@ -38,13 +38,16 @@
#include <errno.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
+
struct netlinkrequest {
nlmsghdr header;
ifaddrmsg msg;
};
+
namespace {
const int kMaxReadSize = 4096;
-};
+}
+
static int set_ifname(struct ifaddrs* ifaddr, int interface) {
char buf[IFNAMSIZ] = {0};
char* name = if_indextoname(interface, buf);
@@ -55,6 +58,7 @@ static int set_ifname(struct ifaddrs* ifaddr, int interface) {
strncpy(ifaddr->ifa_name, name, strlen(name) + 1);
return 0;
}
+
static int set_flags(struct ifaddrs* ifaddr) {
int fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd == -1) {
@@ -71,6 +75,7 @@ static int set_flags(struct ifaddrs* ifaddr) {
ifaddr->ifa_flags = ifr.ifr_flags;
return 0;
}
+
static int set_addresses(struct ifaddrs* ifaddr, ifaddrmsg* msg, void* data,
size_t len) {
if (msg->ifa_family == AF_INET) {
@@ -89,6 +94,7 @@ static int set_addresses(struct ifaddrs* ifaddr, ifaddrmsg* msg, void* data,
}
return 0;
}
+
static int make_prefixes(struct ifaddrs* ifaddr, int family, int prefixlen) {
char* prefix = NULL;
if (family == AF_INET) {
@@ -120,6 +126,7 @@ static int make_prefixes(struct ifaddrs* ifaddr, int family, int prefixlen) {
*prefix = remainder;
return 0;
}
+
static int populate_ifaddrs(struct ifaddrs* ifaddr, ifaddrmsg* msg, void* bytes,
size_t len) {
if (set_ifname(ifaddr, msg->ifa_index) != 0) {
@@ -136,6 +143,7 @@ static int populate_ifaddrs(struct ifaddrs* ifaddr, ifaddrmsg* msg, void* bytes,
}
return 0;
}
+
int getifaddrs(struct ifaddrs** result) {
int fd = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (fd < 0) {
@@ -207,6 +215,7 @@ int getifaddrs(struct ifaddrs** result) {
freeifaddrs(start);
return -1;
}
+
void freeifaddrs(struct ifaddrs* addrs) {
struct ifaddrs* last = NULL;
struct ifaddrs* cursor = addrs;