skalibs

Mirror/fork of https://skarnet.org/software/skalibs/
git clone https://ccx.te2000.cz/git/skalibs
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ip4_scan.c (414B)

      1 /* ISC license. */
      2 
      3 #include <skalibs/types.h>
      4 #include <skalibs/fmtscan.h>
      5 
      6 size_t ip4_scan (char const *s, char *ip)
      7 {
      8   size_t len = 0 ;
      9   unsigned int j = 0 ;
     10   for (; j < 4 ; j++)
     11   {
     12     unsigned int u ;
     13     size_t i = uint_scan(s, &u) ;
     14     if (!i) return 0 ;
     15     ip[j] = (char)u ;
     16     s += i ;
     17     len += i ;
     18     if (j == 3) break ;
     19     if (*s != '.') return 0 ;
     20     ++s ;
     21     ++len ;
     22   }
     23   return len ;
     24 }