skalibs

Mirror/fork of https://skarnet.org/software/skalibs/
git clone https://ccx.te2000.cz/git/skalibs
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ip4_fmt.c (358B)

      1 /* ISC license. */
      2 
      3 #include <skalibs/uint32.h>
      4 #include <skalibs/fmtscan.h>
      5 
      6 size_t ip4_fmt (char *s, char const *ip)
      7 {
      8   size_t len = 0 ;
      9   unsigned int j = 0 ;
     10   for (; j < 4 ; j++)
     11   {
     12     size_t i = uint32_fmt(s, (unsigned char)ip[j]) ;
     13     len += i ;
     14     if (s) s += i ;
     15     if (j == 3) break ;
     16     if (s) *s++ = '.' ;
     17     ++len ;
     18   }
     19   return len ;
     20 }