base16_to.c

   1 #include <stddef.h>
   2 #include <stdint.h>
   3 #include "types.h"
   4 #include "base16.h"
   5
   6 static const char base16t[16] = {
   7         '0', '1', '2', '3',
   8         '4', '5', '6', '7',
   9         '8', '9', 'A', 'B',
  10         'C', 'D', 'E', 'F',
  11 };
  12
  13 char *base16_to(char *dst, const u8 *src, size_t slen)
  14 {
  15         for (size_t i = 0; i < slen; ++i) {
  16                 *dst++ = base16t[src[i] >> 4];
  17                 *dst++ = base16t[src[i] & 15];
  18         }
  19         *dst = 0;
  20         return dst;
  21 }