view src/u8tbl.c @ 11243:5c41fb3f6567

<oerjan> # Stolen from Roger9//`learn Bureaucracy (from French bureau, "burrow") is a political system in which squirrels rule the nation, and burrow their nuts.
author HackBot
date Wed, 22 Nov 2017 00:43:46 +0000
parents 8ddd6d5dc480
children
line wrap: on
line source

#include "stdio.h"
#include "stdlib.h"

char *int2u8(unsigned U){
	static char out[7];
	int i=0;
	if(U<=0x80)out[i++]=U;
	else if(U<0x800){
		out[i++]=(U>>6|0xC0);
		out[i++]=(U&0x3f|0x80);
	}else if(U<=0x10000){
		out[i++]=(U>>12|0xE0);
		out[i++]=(U>>6&0x3f|0x80);
		out[i++]=(U&0x3f|0x80);
	}else if(U<=0x200000){
		out[i++]=(U>>18|0xF0);
		out[i++]=(U>>12&0x3f|0x80);
		out[i++]=(U>>6&0x3f|0x80);
		out[i++]=(U&0x3f|0x80);
	}else if(U<=0x4000000){
		out[i++]=(U>>24|0xF8);
		out[i++]=(U>>18&0x3f|0x80);
		out[i++]=(U>>12&0x3f|0x80);
		out[i++]=(U>>6&0x3f|0x80);
		out[i++]=(U&0x3f|0x80);
	}else if(U<=0x80000000){
		out[i++]=(U>>30|0xFC);
		out[i++]=(U>>24&0x3f|0x80);
		out[i++]=(U>>18&0x3f|0x80);
		out[i++]=(U>>12&0x3f|0x80);
		out[i++]=(U>>6&0x3f|0x80);
		out[i++]=(U&0x3f|0x80);
	}
	out[i]=0;
	return out;
}

int main(int argc,char **argv){
	int i = strtol(argv[1],0,0);
	int m = strtol(argv[2],0,0);
	for(;i<=m;i++){
		printf("%s",int2u8(i));
		if(i%16==15)putchar('\n');
	}
}