summaryrefslogtreecommitdiff
path: root/lib/unistr/u-set.h
blob: 23c11f475e956c437c3fb73ee7c3ded7ff3b0ca2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
/* Fill UTF-8/UTF-16/UTF-32 string.
   Copyright (C) 1999, 2002, 2006, 2009-2020 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2002.

   This program is free software: you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#include <errno.h>

UNIT *
FUNC (UNIT *s, ucs4_t uc, size_t n)
{
  if (n > 0)
    {
      if (IS_SINGLE_UNIT (uc))
        {
          UNIT *ptr = s;

          for (; n > 0; n--)
            *ptr++ = uc;
        }
      else
        {
          errno = EILSEQ;
          return NULL;
        }
    }
  return s;
}