Hadrian Węgrzynowski hadrianw

Linux tinkerer.

hadrianw / keybase.md

Created December 12, 2017 20:37

I hereby claim:

To claim this, I am signing this object:

hadrianw / index.c

Last active May 31, 2018 21:59

Dumb benchmark for VPS performance measurment.

	#include <ftw.h>
	#include <stdio.h>
	#include <sqlite3.h>

	#define INSERT_QUERY "INSERT INTO index VALUES (?, ?)",

	static sqlite3 *db;
	static sqlite3_stmt *insert_stmt;

	static int step(const char path, const struct stat sb, int flag, struct FTW *ftwbuf)

hadrianw / resize-allow.js

Created April 12, 2017 14:59

Bookrmarklet to add or modify meta viewport to allow resizing on mobile.

	var d=document;
	var q=d.querySelector.bind(d);
	var c='width=device-width,initial-scale=1';
	var v=q('meta[name=viewport]');
	if(v){
	v.content=c
	}else{
	v=d.createElement('meta');
	v.name='viewport';
	v.content=c;

hadrianw / shebang.c

Last active November 13, 2022 21:30

Make a C file executable with those few lines.

	#if 0
	set -e; [ "$0" -nt "$0.bin" ] &&
	gcc -Wall -Wextra -pedantic -std=c99 "$0" -o "$0.bin"
	exec "$0.bin" "$@"
	#endif

	#include <stdio.h>

	int
	main(int argc, char *argv[]) {

hadrianw / Makefile

Created March 13, 2017 14:11

Seven line Makefile for a directory full of single file basic programs.

	all:
	make $$(for i in *.c; do echo $${i%.c}; done)

	.c: Makefile
	gcc -std=c99 -pedantic -Wall -Wextra $< -o $@

	.PHONY: all

hadrianw / Makefile

Created March 13, 2017 14:06

Two line Makefile for a directory full of single file basic programs. Usage: make binary-name

	.c: Makefile
	gcc -std=c99 -pedantic -Wall -Wextra $< -o $@

hadrianw / prace.c

Last active January 24, 2016 01:06

Process Race - wait for a child process to finish, kill the rest.

	/*
	Compile with:
	$ gcc prace.c -o prace -std=c99 -pedantic -Wall -Wextra

	Example usage in shell script:
	$ ((sleep 4; echo foo)& (sleep 2; echo bar)& exec ./prace)
	bar
	$
	*/