dummy_getifaddrs.c

/*
 * Simple LD_PRELOAD library to dummy out getifaddrs() and return 0 results when it is called
 *
 * Compiling:
 * gcc -m32 -fPIC -shared dummy_getifaddrs.c -o dummy_getifaddrs.so -Wall
 *
 * Copy dummy_getifaddrs.so to Tomb Raider dir (.../SteamApps/common/Tomb Raider/bin) then
 * change steam launch options for Tomb Raider to:
 *
 * env LD_PRELOAD=./dummy_getifaddrs.so %command%
 *
 */

#include <stdio.h>
#define __USE_GNU
#include <errno.h>
#include <dlfcn.h>

#include <sys/types.h>
#include <ifaddrs.h>

int getifaddrs(struct ifaddrs **ifap) {
    fprintf(stderr, "\n\n\n---------------- dummied out getifaddrs()!\n\n\n");
    *ifap = NULL;
    return 0;
}

void freeifaddrs(struct ifaddrs *ifap) {
    /* do nothing */
}