src/libstddjb/ip4_fmt.c


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/* ISC license. */

#include <skalibs/uint32.h>
#include <skalibs/fmtscan.h>

unsigned int ip4_fmt (char *s, char const *ip)
{
  unsigned int len = 0 ;
  unsigned int i, j ;
  for (j = 0 ; j < 4 ; j++)
  {
    i = uint32_fmt(s, (uint32)(unsigned char) ip[j]) ;
    len += i ;
    if (s) s += i ;
    if (j == 3) break ;
    if (s) *s++ = '.' ;
    ++len ;
  }
  return len ;
}