src/libstddjb/uint64_fmt.c


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/* ISC license. */

#include <skalibs/uint64.h>
#include <skalibs/fmtscan.h>

unsigned int uint64_fmt_base (char *s, uint64 x, unsigned char base)
{
  register unsigned int len = 1 ;
  {
    register uint64 q = x ;
    while (q >= base) { len++ ; q /= base ; }
  }
  if (s)
  {
    s += len ;
    do { *--s = fmtscan_asc(x % base) ; x /= base ; } while (x) ;
  }
  return len ;
}