common/util2.c

   1 #include "config.h"
   2
   3 #include <sys/types.h>
   4 #include <sys/queue.h>
   5 #include <sys/time.h>
   6
   7 #include <bitstring.h>
   8 #include <errno.h>
   9 #include <limits.h>
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <unistd.h>
  14
  15 #include "multibyte.h"
  16
  17 /*
  18  * PUBLIC: void * v_strset __P((CHAR_T *s, CHAR_T c, size_t n));
  19  */
  20 void *
  21 v_strset(CHAR_T *s, CHAR_T c, size_t n)
  22 {
  23         CHAR_T *ss = s;
  24
  25         while (n--) *s++ = c;
  26         return ss;
  27 }
  28
  29 int
  30 ucs2utf8(const CHAR_T *src, size_t len, char *dst)
  31 {
  32     int i, j;
  33
  34     for (i = 0, j = 0; i < len; ++i) {
  35         if (src[i] < 0x80)
  36             dst[j++] = src[i];
  37         else if (src[i] < 0x800) {
  38             dst[j++] = (src[i] >> 6) | 0xc0;
  39             dst[j++] = (src[i] & 0x3f) | 0x80;
  40         } else {
  41             dst[j++] = (src[i] >> 12) | 0xe0;
  42             dst[j++] = ((src[i] >> 6) & 0x3f) | 0x80;
  43             dst[j++] = (src[i] & 0x3f) | 0x80;
  44         }
  45     }
  46
  47     return j;
  48 }