evanslai’s gists

evanslai / list.h

Last active April 12, 2023 12:07

C: Linux kernel linked list, modified for userspace

	#ifndef _LINUX_LIST_H
	#define _LINUX_LIST_H

	#include <stdio.h>

	#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)

	/**
	* container_of - cast a member of a structure out to the containing structure
	* @ptr: the pointer to the member.

evanslai / git-env-setup-01

Last active June 9, 2020 12:25

Git: First-time System Setup #git

	# First-time system setup
	git config --global user.name "Evans Lai"
	git config --global user.email "[email protected]"
	git config --global color.diff auto
	git config --global color.status auto
	git config --global color.branch auto
	git config --global color.log auto
	git config --global alias.co checkout
	git config --global core.editor "vim"
	git config --global core.autocrlf false

evanslai / c-get_eth_mac.c

Last active October 21, 2020 06:08

C: How to get MAC address of your machine using a C program

	#include <sys/socket.h>
	#include <sys/ioctl.h>
	#include <linux/if.h>
	#include <netdb.h>
	#include <stdio.h>
	#include <string.h>

	int main()
	{
	struct ifreq s;

evanslai / gist:3737002

Last active October 10, 2015 19:08

Git 常用指令

	# 列出遠端有哪些 branch
	git branch -a

	# If you want to check out a local working branch based on origin/test (checkout remote branch)
	git checkout -b test origin/test

	# Create branch $new_branch based on branch $other and switch to it
	git checkout -b $new_branch $other

evanslai / git-merge-01

Created January 6, 2018 09:00

Git: Merge all changes from another branch as a single commit #git

	git merge --squash <feature branch>
	git commit

evanslai / git-log-01

Last active May 15, 2018 01:44

Git: show graphical commit history #git

	git config --global alias.sb "log --graph --pretty=format:'%Cred%h%Creset %Cgreen(%cr) -%C(yellow)%d%Creset %s %C(bold blue)<%an>%Creset%n' --abbrev-commit --branches"

	// Oneline
	git log --pretty="%C(Yellow)%h %C(reset)%ad (%C(Green)%cr%C(reset))%x09 %C(Cyan)%an: %C(reset)%s" --date=short

evanslai / c-if_process_is_running.c

Last active November 9, 2022 00:09

C: Determine whether a process is running in C?

	/*
	https://stackoverflow.com/questions/11785936/how-to-find-if-a-process-is-running-in-c?
	https://stackoverflow.com/questions/6898337/determine-programmatically-if-a-program-is-running
	*/
	#include <stdlib.h>
	#include <stdio.h>
	#include <string.h>
	#include <unistd.h>
	#include <dirent.h>
	#include <sys/types.h>

evanslai / c-macro_FILE_short.c

Created January 23, 2018 01:18

C: Make the predefined MACRO __FILE__ become short path

	#include <string.h>

	#define __FILENAME__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)

evanslai / README.md

Last active January 29, 2018 13:23 — forked from Jxck/README.md

libuv TCP server/client sample #lib

how to compile

$ gcc -g -Wall -I /path/to/libuv/include /path/to/libuv/uv.a -framework CoreServices server.c -o server
$ gcc -g -Wall -I /path/to/libuv/include /path/to/libuv/uv.a -framework CoreServices client.c -o client

evanslai / .vimrc

Created November 27, 2018 10:33

vimrc

	"https://github.com/amix/vimrc
	set runtimepath+=~/.vim_runtime

	source ~/.vim_runtime/vimrcs/basic.vim
	source ~/.vim_runtime/vimrcs/filetypes.vim
	source ~/.vim_runtime/vimrcs/plugins_config.vim
	source ~/.vim_runtime/vimrcs/extended.vim

	try
	source ~/.vim_runtime/my_configs.vim