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
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* Copyright (C) 1999-2001 Free Software Foundation, Inc.
* This file is part of the GNU LIBICONV Library.
*
* The GNU LIBICONV Library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* The GNU LIBICONV Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the GNU LIBICONV Library; see the file COPYING.LIB.
* If not, write to the Free Software Foundation, Inc., 59 Temple Place -
* Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* UCS-2-INTERNAL = UCS-2 with machine dependent endianness and alignment
*/
static int
ucs2internal_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
{
if (n >= 2) {
unsigned short x = *(const unsigned short *)s;
if (x >= 0xd800 && x < 0xe000) {
return RET_ILSEQ;
} else {
*pwc = x;
return 2;
}
}
return RET_TOOFEW(0);
}
static int
ucs2internal_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
{
if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
if (n >= 2) {
*(unsigned short *)r = wc;
return 2;
} else
return RET_TOOSMALL;
} else
return RET_ILUNI;
}
|
