2
* Copyright (C) 1999-2002 Free Software Foundation, Inc.
3
* This file is part of the GNU LIBICONV Library.
5
* The GNU LIBICONV Library is free software; you can redistribute it
6
* and/or modify it under the terms of the GNU Library General Public
7
* License as published by the Free Software Foundation; either version 2
8
* of the License, or (at your option) any later version.
10
* The GNU LIBICONV Library is distributed in the hope that it will be
11
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
* Library General Public License for more details.
15
* You should have received a copy of the GNU Library General Public
16
* License along with the GNU LIBICONV Library; see the file COPYING.LIB.
17
* If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
18
* Fifth Floor, Boston, MA 02110-1301, USA.
23
* This is ASCII with \uXXXX and \UXXXXXXXX escape sequences, denoting Unicode
24
* characters. See ISO/IEC 9899:1999, section 6.4.3.
25
* The treatment of control characters in the range U+0080..U+009F is not
26
* specified; we pass them through unmodified.
30
c99_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
47
for (i = 2; i < 6; i++) {
51
if (c >= '0' && c <= '9')
53
else if (c >= 'A' && c <= 'Z')
55
else if (c >= 'a' && c <= 'z')
58
goto simply_backslash;
59
wc |= (ucs4_t) c << (4 * (5-i));
61
if ((wc >= 0x00a0 && !(wc >= 0xd800 && wc < 0xe000))
62
|| wc == 0x0024 || wc == 0x0040 || wc == 0x0060) {
66
} else if (c == 'U') {
68
for (i = 2; i < 10; i++) {
72
if (c >= '0' && c <= '9')
74
else if (c >= 'A' && c <= 'Z')
76
else if (c >= 'a' && c <= 'z')
79
goto simply_backslash;
80
wc |= (ucs4_t) c << (4 * (9-i));
82
if ((wc >= 0x00a0 && !(wc >= 0xd800 && wc < 0xe000))
83
|| wc == 0x0024 || wc == 0x0040 || wc == 0x0060) {
88
goto simply_backslash;
97
c99_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
117
for (count = result-3; count >= 0; count--) {
118
unsigned int i = (wc >> (4*count)) & 0x0f;
119
*r++ = (i < 10 ? '0'+i : 'a'-10+i);