/*-
+ * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
static char sccsid[] = "@(#)none.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/locale/none.c,v 1.6 2002/10/16 11:37:38 tjr Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/locale/none.c,v 1.15 2007/10/13 16:28:22 ache Exp $");
+#include "xlocale_private.h"
+
+#include <errno.h>
#include <limits.h>
+#include <runetype.h>
#include <stddef.h>
#include <stdio.h>
-#include <rune.h>
#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include "mblocal.h"
+
+/* setup defaults */
-rune_t _none_sgetrune(const char *, size_t, char const **);
-int _none_sputrune(rune_t, char *, size_t, char **);
+int __mb_cur_max = 1;
+int __mb_sb_limit = 256; /* Expected to be <= _CACHED_RUNES */
-int
-_none_init(rl)
- _RuneLocale *rl;
+__private_extern__ int
+_none_init(struct __xlocale_st_runelocale *xrl)
{
- rl->sgetrune = _none_sgetrune;
- rl->sputrune = _none_sputrune;
- _CurrentRuneLocale = rl;
- __mb_cur_max = 1;
+
+ xrl->__mbrtowc = _none_mbrtowc;
+ xrl->__mbsinit = _none_mbsinit;
+ xrl->__mbsnrtowcs = _none_mbsnrtowcs;
+ xrl->__wcrtomb = _none_wcrtomb;
+ xrl->__wcsnrtombs = _none_wcsnrtombs;
+ xrl->__mb_cur_max = 1;
+ xrl->__mb_sb_limit = 256;
return(0);
}
-rune_t
-_none_sgetrune(string, n, result)
- const char *string;
- size_t n;
- char const **result;
+__private_extern__ int
+_none_mbsinit(const mbstate_t *ps __unused, locale_t loc __unused)
+{
+
+ /*
+ * Encoding is not state dependent - we are always in the
+ * initial state.
+ */
+ return (1);
+}
+
+__private_extern__ size_t
+_none_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
+ mbstate_t * __restrict ps __unused, locale_t loc __unused)
+{
+
+ if (s == NULL)
+ /* Reset to initial shift state (no-op) */
+ return (0);
+ if (n == 0)
+ /* Incomplete multibyte sequence */
+ return ((size_t)-2);
+ if (pwc != NULL)
+ *pwc = (unsigned char)*s;
+ return (*s == '\0' ? 0 : 1);
+}
+
+__private_extern__ size_t
+_none_wcrtomb(char * __restrict s, wchar_t wc,
+ mbstate_t * __restrict ps __unused, locale_t loc __unused)
+{
+
+ if (s == NULL)
+ /* Reset to initial shift state (no-op) */
+ return (1);
+ if (wc < 0 || wc > UCHAR_MAX) {
+ errno = EILSEQ;
+ return ((size_t)-1);
+ }
+ *s = (unsigned char)wc;
+ return (1);
+}
+
+__private_extern__ size_t
+_none_mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
+ size_t nms, size_t len, mbstate_t * __restrict ps __unused, locale_t loc __unused)
{
- if (n < 1) {
- if (result)
- *result = string;
- return(_INVALID_RUNE);
+ const char *s;
+ size_t nchr;
+
+ if (dst == NULL) {
+ s = memchr(*src, '\0', nms);
+ return (s != NULL ? s - *src : nms);
+ }
+
+ s = *src;
+ nchr = 0;
+ while (len-- > 0 && nms-- > 0) {
+ if ((*dst++ = (unsigned char)*s++) == L'\0') {
+ *src = NULL;
+ return (nchr);
+ }
+ nchr++;
}
- if (result)
- *result = string + 1;
- return(*string & 0xff);
+ *src = s;
+ return (nchr);
}
-int
-_none_sputrune(c, string, n, result)
- rune_t c;
- char *string, **result;
- size_t n;
+__private_extern__ size_t
+_none_wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src,
+ size_t nwc, size_t len, mbstate_t * __restrict ps __unused, locale_t loc __unused)
{
- if (n >= 1) {
- if (string) {
- if (c < 0 || c > UCHAR_MAX) {
- if (result)
- *result = NULL;
- return (0);
+ const wchar_t *s;
+ size_t nchr;
+
+ if (dst == NULL) {
+ for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
+ if (*s < 0 || *s > UCHAR_MAX) {
+ errno = EILSEQ;
+ return ((size_t)-1);
}
- *string = c;
}
- if (result)
- *result = string + 1;
- } else if (result)
- *result = (char *)0;
- return(1);
+ return (s - *src);
+ }
+
+ s = *src;
+ nchr = 0;
+ while (len-- > 0 && nwc-- > 0) {
+ if (*s < 0 || *s > UCHAR_MAX) {
+ errno = EILSEQ;
+ return ((size_t)-1);
+ }
+ if ((*dst++ = *s++) == '\0') {
+ *src = NULL;
+ return (nchr);
+ }
+ nchr++;
+ }
+ *src = s;
+ return (nchr);
}
projects / apple / libc.git / blobdiff