dist/nvi/common/util2.c

   1 /*      $NetBSD$ */
   2
   3 #include "config.h"
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <sys/time.h>
   8
   9 #include <bitstring.h>
  10 #include <errno.h>
  11 #include <limits.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <unistd.h>
  16
  17 #include "multibyte.h"
  18
  19 int
  20 ucs2utf8(const CHAR_T *src, size_t len, char *dst)
  21 {
  22     int i, j;
  23
  24     for (i = 0, j = 0; i < len; ++i) {
  25         if (src[i] < 0x80)
  26             dst[j++] = src[i];
  27         else if (src[i] < 0x800) {
  28             dst[j++] = (src[i] >> 6) | 0xc0;
  29             dst[j++] = (src[i] & 0x3f) | 0x80;
  30         } else {
  31             dst[j++] = (src[i] >> 12) | 0xe0;
  32             dst[j++] = ((src[i] >> 6) & 0x3f) | 0x80;
  33             dst[j++] = (src[i] & 0x3f) | 0x80;
  34         }
  35     }
  36
  37     return j;
  38 }