Skip to content

Instantly share code, notes, and snippets.

View etodd's full-sized avatar

Evan Todd etodd

348 followers · 25 following
View GitHub Profile
@edufelipe
edufelipe / is_wireless.c
Created July 29, 2013 21:33
C example code to list all network interfaces and check whether they are wireless or not. Linux only. Tested on Ubuntu 10.04 and 12.04, but should be compatible with pretty much everything out there.
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <ifaddrs.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <linux/wireless.h>
@ssylvan
ssylvan / rh_hash_table.hpp
Last active May 12, 2026 14:23
Quick'n'dirty Robin Hood hash table implementation. Note, I have implemented this algorithm before, with tons of tests etc. But *this* code was written specifically for the blog post at http://sebastiansylvan.com/post/robin-hood-hashing-should-be-your-default-hash-table-implementation/, it has not been extensively tested so there may be bugs (an…
#define USE_ROBIN_HOOD_HASH 1
#define USE_SEPARATE_HASH_ARRAY 1
template<class Key, class Value>
class hash_table
{
static const int INITIAL_SIZE = 256;
static const int LOAD_FACTOR_PERCENT = 90;
struct elem
@cl4u2
cl4u2 / route_dump.c
Created March 20, 2013 12:46
Linux route monitoring example
/*
iflist.c : retrieve network interface information thru netlink sockets
(c) Jean Lorchat @ Internet Initiative Japan - Innovation Institute
v1.0 : initial version - Feb 19th 2010
This file was obtained at the following address :
http://www.iijlab.net/~jean/iflist.c