3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #if defined(LIBC_SCCS) && !defined(lint)
38 static char sccsid[] = "@(#)ansi.c 8.1 (Berkeley) 6/27/93";
39 #endif /* LIBC_SCCS and not lint */
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD: src/lib/libc/locale/ansi.c,v 1.3.6.1 2003/04/05 08:28:24 tjr Exp $");
57 if (s == 0 || *s == 0)
58 return (0); /* No support for state dependent encodings. */
60 if (sgetrune(s, n, &e) == _INVALID_RUNE)
74 if (s == 0 || *s == 0)
75 return (0); /* No support for state dependent encodings. */
77 if ((r = sgetrune(s, n, &e)) == _INVALID_RUNE)
92 return (0); /* No support for state dependent encodings. */
99 sputrune(wchar, s, MB_CUR_MAX, &e);
100 return (e ? e - s : -1);
119 /* Convert and count only, do not store. */
121 while ((r = sgetrune(s, MB_LEN_MAX, &e)) != _INVALID_RUNE &&
126 if (r == _INVALID_RUNE) {
133 /* Convert, store and count characters. */
136 *pwcs = sgetrune(s, MB_LEN_MAX, &e);
137 if (*pwcs == _INVALID_RUNE) {
141 if (*pwcs++ == L'\0')
156 char buf[MB_LEN_MAX];
160 if (pwcs == NULL || n > INT_MAX) {
168 /* Convert and count only, do not store. */
169 while (*pwcs != L'\0') {
170 if (sputrune(*pwcs++, buf, MB_LEN_MAX, &e) == 0) {
179 /* Convert, store and count characters. */
182 if (*pwcs == L'\0') {
186 if (sputrune(*pwcs++, s, nb, &e) == 0) {
190 if (e == NULL) /* too long */