kolibrios-fun/programs/develop/ktcc/trunk/libc/stdlib/itoab.c
siemargl 3e571bd7cc small polish, samples
git-svn-id: svn://kolibrios.org@6443 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-06-10 11:10:52 +00:00

26 lines
543 B
C

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
/*
** itoab(n,s,b) - Convert "unsigned" n to characters in s using base b.
** NOTE: This is a non-standard function.
*/
char* itoab(unsigned int n, char* s, int b)
{
char *ptr;
int lowbit;
ptr = s;
b >>= 1;
do {
lowbit = n & 1;
n = (n >> 1) & 0x7FFFFFFF;
*ptr = ((n % b) << 1) + lowbit;
if(*ptr < 10) *ptr += '0'; else *ptr += 55;
++ptr;
} while(n /= b);
*ptr = 0;
return strrev(s);
}