2 We need a fully open libc (no libc_i18n)

Reviewd by: garrett@nexenta.com
Approved by: garrett@nexenta.com

1 files changed, 219 insertions, 0 deletions

diff --git a/usr/src/lib/libc/port/locale/none.c b/usr/src/lib/libc/port/locale/none.c
new file mode 100644
index 0000000000..f9427d1270
--- /dev/null
+++ b/usr/src/lib/libc/port/locale/none.c
@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
+ * Copyright (c) 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Paul Borman at Krystal Technologies.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include "lint.h"
+#include <errno.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include <note.h>
+#include "runetype.h"
+#include "mblocal.h"
+#include "../i18n/_locale.h"
+
+static size_t	_none_mbrtowc(wchar_t *_RESTRICT_KYWD,
+    const char *_RESTRICT_KYWD, size_t, mbstate_t *_RESTRICT_KYWD);
+
+static int	_none_mbsinit(const mbstate_t *);
+static size_t	_none_mbsnrtowcs(wchar_t *_RESTRICT_KYWD dst,
+    const char **_RESTRICT_KYWD src, size_t nms, size_t len,
+    mbstate_t *_RESTRICT_KYWD);
+static size_t	_none_wcrtomb(char *_RESTRICT_KYWD, wchar_t,
+    mbstate_t *_RESTRICT_KYWD);
+static size_t	_none_wcsnrtombs(char *_RESTRICT_KYWD,
+    const wchar_t **_RESTRICT_KYWD,
+    size_t, size_t, mbstate_t *_RESTRICT_KYWD);
+
+/* setup defaults */
+
+extern unsigned char __ctype_C[];
+
+int
+_none_init(_RuneLocale *rl)
+{
+	/*
+	 * We need to populate the ctype stuff.  This means the
+	 * tolower table, the type masks, etc.
+	 * There are 257 entries for the type array, 257 entries for the
+	 * tolower/toupper array, and 7 bytes for CSWIDTH array.
+	 *
+	 * We have to set this stuff up because for POSIX/C we short
+	 * circuit most of the logic in setrunelocale that would handle it.
+	 */
+	(void) memcpy(__ctype, __ctype_C, SZ_TOTAL);
+
+	__ctype_mask = rl->__runetype;
+	__trans_upper = rl->__mapupper;
+	__trans_lower = rl->__maplower;
+
+	__mbrtowc = _none_mbrtowc;
+	__mbsinit = _none_mbsinit;
+	__mbsnrtowcs = _none_mbsnrtowcs;
+	__wcrtomb = _none_wcrtomb;
+	__wcsnrtombs = _none_wcsnrtombs;
+	_CurrentRuneLocale = rl;
+	return (0);
+}
+
+static int
+_none_mbsinit(const mbstate_t *unused)
+{
+	_NOTE(ARGUNUSED(unused));
+
+	/*
+	 * Encoding is not state dependent - we are always in the
+	 * initial state.
+	 */
+	return (1);
+}
+
+static size_t
+_none_mbrtowc(wchar_t *_RESTRICT_KYWD pwc, const char *_RESTRICT_KYWD s,
+    size_t n, mbstate_t *_RESTRICT_KYWD unused)
+{
+	_NOTE(ARGUNUSED(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);
+}
+
+static size_t
+_none_wcrtomb(char *_RESTRICT_KYWD s, wchar_t wc,
+    mbstate_t *_RESTRICT_KYWD unused)
+{
+	_NOTE(ARGUNUSED(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);
+}
+
+static size_t
+_none_mbsnrtowcs(wchar_t *_RESTRICT_KYWD dst, const char **_RESTRICT_KYWD src,
+    size_t nms, size_t len, mbstate_t *_RESTRICT_KYWD unused)
+{
+	const char *s;
+	size_t nchr;
+
+	_NOTE(ARGUNUSED(unused));
+
+	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++;
+	}
+	*src = s;
+	return (nchr);
+}
+
+static size_t
+_none_wcsnrtombs(char *_RESTRICT_KYWD dst, const wchar_t **_RESTRICT_KYWD src,
+    size_t nwc, size_t len, mbstate_t *_RESTRICT_KYWD unused)
+{
+	const wchar_t *s;
+	size_t nchr;
+
+	_NOTE(ARGUNUSED(unused));
+
+	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);
+			}
+		}
+		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);
+}
+
+/* setup defaults */
+
+size_t (*__mbrtowc)(wchar_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
+    size_t, mbstate_t *_RESTRICT_KYWD) = _none_mbrtowc;
+
+int (*__mbsinit)(const mbstate_t *) = _none_mbsinit;
+
+size_t (*__mbsnrtowcs)(wchar_t *_RESTRICT_KYWD, const char **_RESTRICT_KYWD,
+    size_t, size_t, mbstate_t *_RESTRICT_KYWD) = _none_mbsnrtowcs;
+
+size_t (*__wcrtomb)(char *_RESTRICT_KYWD, wchar_t, mbstate_t *_RESTRICT_KYWD) =
+    _none_wcrtomb;
+
+size_t (*__wcsnrtombs)(char *_RESTRICT_KYWD, const wchar_t **_RESTRICT_KYWD,
+    size_t, size_t, mbstate_t *_RESTRICT_KYWD) = _none_wcsnrtombs;