view src/u8tbl.c @ 6923:a66d8f61b2a7

<b_jonas> slashlearn one ring/One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkness bind them
author HackBot
date Sun, 21 Feb 2016 12:46:48 +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');
	}
}