2 We need a fully open libc (no libc_i18n)

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

1 files changed, 197 insertions, 0 deletions

diff --git a/usr/src/lib/libc/port/locale/ascii.c b/usr/src/lib/libc/port/locale/ascii.c
new file mode 100644
index 0000000000..aae1f1ed69
--- /dev/null
+++ b/usr/src/lib/libc/port/locale/ascii.c
@@ -0,0 +1,197 @@
+/*
+ * 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 <sys/types.h>
+#include <errno.h>
+#include <limits.h>
+#include "runetype.h"
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include <note.h>
+#include "mblocal.h"
+
+static size_t	_ascii_mbrtowc(wchar_t *_RESTRICT_KYWD,
+		    const char *_RESTRICT_KYWD,
+		    size_t, mbstate_t *_RESTRICT_KYWD);
+static int	_ascii_mbsinit(const mbstate_t *);
+static size_t	_ascii_mbsnrtowcs(wchar_t *_RESTRICT_KYWD dst,
+		    const char **_RESTRICT_KYWD src, size_t nms, size_t len,
+		    mbstate_t *_RESTRICT_KYWD ps);
+static size_t	_ascii_wcrtomb(char *_RESTRICT_KYWD, wchar_t,
+		    mbstate_t *_RESTRICT_KYWD);
+static size_t	_ascii_wcsnrtombs(char *_RESTRICT_KYWD,
+		    const wchar_t **_RESTRICT_KYWD,
+		    size_t, size_t, mbstate_t *_RESTRICT_KYWD);
+
+int
+_ascii_init(_RuneLocale *rl)
+{
+
+	__mbrtowc = _ascii_mbrtowc;
+	__mbsinit = _ascii_mbsinit;
+	__mbsnrtowcs = _ascii_mbsnrtowcs;
+	__wcrtomb = _ascii_wcrtomb;
+	__wcsnrtombs = _ascii_wcsnrtombs;
+	_CurrentRuneLocale = rl;
+	__ctype[520] = 1;
+	return (0);
+}
+
+static int
+_ascii_mbsinit(const mbstate_t *ps)
+{
+	_NOTE(ARGUNUSED(ps));
+	/*
+	 * Encoding is not state dependent - we are always in the
+	 * initial state.
+	 */
+	return (1);
+}
+
+static size_t
+_ascii_mbrtowc(wchar_t *_RESTRICT_KYWD pwc, const char *_RESTRICT_KYWD s,
+    size_t n, mbstate_t *_RESTRICT_KYWD ps)
+{
+	_NOTE(ARGUNUSED(ps));
+	if (s == NULL)
+		/* Reset to initial shift state (no-op) */
+		return (0);
+	if (n == 0)
+		/* Incomplete multibyte sequence */
+		return ((size_t)-2);
+	if (*s & 0x80) {
+		errno = EILSEQ;
+		return ((size_t)-1);
+	}
+	if (pwc != NULL)
+		*pwc = (unsigned char)*s;
+	return (*s == '\0' ? 0 : 1);
+}
+
+static size_t
+_ascii_wcrtomb(char *_RESTRICT_KYWD s, wchar_t wc,
+    mbstate_t *_RESTRICT_KYWD ps)
+{
+	_NOTE(ARGUNUSED(ps));
+
+	if (s == NULL)
+		/* Reset to initial shift state (no-op) */
+		return (1);
+	if (wc < 0 || wc > 127) {
+		errno = EILSEQ;
+		return ((size_t)-1);
+	}
+	*s = (unsigned char)wc;
+	return (1);
+}
+
+static size_t
+_ascii_mbsnrtowcs(wchar_t *_RESTRICT_KYWD dst, const char **_RESTRICT_KYWD src,
+    size_t nms, size_t len, mbstate_t *_RESTRICT_KYWD ps)
+{
+	const char *s;
+	size_t nchr;
+
+	_NOTE(ARGUNUSED(ps));
+
+	if (dst == NULL) {
+		for (s = *src; nms > 0 && *s != '\0'; s++, nms--) {
+			if (*s & 0x80) {
+				errno = EILSEQ;
+				return ((size_t)-1);
+			}
+		}
+		return (s - *src);
+	}
+
+	s = *src;
+	nchr = 0;
+	while (len-- > 0 && nms-- > 0) {
+		if (*s & 0x80) {
+			errno = EILSEQ;
+			return ((size_t)-1);
+		}
+		if ((*dst++ = (unsigned char)*s++) == L'\0') {
+			*src = NULL;
+			return (nchr);
+		}
+		nchr++;
+	}
+	*src = s;
+	return (nchr);
+}
+
+static size_t
+_ascii_wcsnrtombs(char *_RESTRICT_KYWD dst, const wchar_t **_RESTRICT_KYWD src,
+    size_t nwc, size_t len, mbstate_t *_RESTRICT_KYWD ps)
+{
+	const wchar_t *s;
+	size_t nchr;
+
+	_NOTE(ARGUNUSED(ps));
+
+	if (dst == NULL) {
+		for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
+			if (*s < 0 || *s > 127) {
+				errno = EILSEQ;
+				return ((size_t)-1);
+			}
+		}
+		return (s - *src);
+	}
+
+	s = *src;
+	nchr = 0;
+	while (len-- > 0 && nwc-- > 0) {
+		if (*s < 0 || *s > 127) {
+			errno = EILSEQ;
+			return ((size_t)-1);
+		}
+		if ((*dst++ = *s++) == '\0') {
+			*src = NULL;
+			return (nchr);
+		}
+		nchr++;
+	}
+	*src = s;
+	return (nchr);
+}