kolibrios-fun/programs/develop/ktcc/trunk/libc/stdlib/itoa.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

27 lines
469 B
C

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
/*
** itoa(n,s) - Convert n to characters in s
*/
char* __itoa(int n,char* s)
{
int sign;
char *ptr;
ptr = s;
if(n == (int)0x80000000)
return strcpy(s, "-2147483648"); // overflowed -n
if ((sign = n) < 0) n = -n;
do {
*ptr++ = n % 10 + '0';
} while ((n = n / 10) > 0);
if (sign < 0) *ptr++ = '-';
*ptr = '\0';
return strrev(s);
}