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# fallback for old Android

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This commit is contained in:
kgv
2020-11-20 12:04:33 +03:00
parent de0c75694a
commit ee1aa50315
1 changed files with 29 additions and 1 deletions
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30
src/OSD/OSD_Host.cxx
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@@ -23,8 +23,21 @@
#include <errno.h>
#ifndef HAVE_IFADDRS
#if defined(__ANDROID__)
#include <android/api-level.h>
#if (__ANDROID_API__ >= 24)
#define HAVE_IFADDRS
#endif
#else
#define HAVE_IFADDRS
#endif
#endif
#include <arpa/inet.h>
#include <ifaddrs.h>
#ifdef HAVE_IFADDRS
#include <ifaddrs.h>
#endif
#include <sys/utsname.h> // For 'uname'
#include <netdb.h> // This is for 'gethostbyname'
@@ -120,6 +133,7 @@ Standard_Integer OSD_Host::AvailableMemory(){
TCollection_AsciiString OSD_Host::InternetAddress()
{
TCollection_AsciiString aResult;
#ifdef HAVE_IFADDRS
struct ifaddrs* anAddrFullInfo = NULL;
getifaddrs (&anAddrFullInfo);
for (struct ifaddrs* anAddrIter = anAddrFullInfo; anAddrIter != NULL; anAddrIter = anAddrIter->ifa_next)
@@ -158,6 +172,20 @@ TCollection_AsciiString OSD_Host::InternetAddress()
{
freeifaddrs (anAddrFullInfo);
}
#else
// fallback for ancient systems
const TCollection_AsciiString aHost = HostName();
if (struct hostent* anAddr = gethostbyname (aHost.ToCString()))
{
char aBuffer[16];
const int a = (unsigned char)anAddr->h_addr_list[0][0];
const int b = (unsigned char)anAddr->h_addr_list[0][1];
const int c = (unsigned char)anAddr->h_addr_list[0][2];
const int d = (unsigned char)anAddr->h_addr_list[0][3];
sprintf (aBuffer, "%d.%d.%d.%d", a, b, c, d);
aResult = aBuffer;
}
#endif
if (aResult.IsEmpty())
{
return "127.0.0.1";