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-rw-r--r--lib/libc/iconv/citrus_none.c238
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diff --git a/lib/libc/iconv/citrus_none.c b/lib/libc/iconv/citrus_none.c
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+/* $FreeBSD$ */
+/* $NetBSD: citrus_none.c,v 1.18 2008/06/14 16:01:07 tnozaki Exp $ */
+
+/*-
+ * Copyright (c) 2002 Citrus Project,
+ * Copyright (c) 2010 Gabor Kovesdan <gabor@FreeBSD.org>,
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <iconv.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+#include "citrus_namespace.h"
+#include "citrus_types.h"
+#include "citrus_module.h"
+#include "citrus_none.h"
+#include "citrus_stdenc.h"
+
+_CITRUS_STDENC_DECLS(NONE);
+_CITRUS_STDENC_DEF_OPS(NONE);
+struct _citrus_stdenc_traits _citrus_NONE_stdenc_traits = {
+ 0, /* et_state_size */
+ 1, /* mb_cur_max */
+};
+
+static int
+_citrus_NONE_stdenc_init(struct _citrus_stdenc * __restrict ce,
+ const void *var __unused, size_t lenvar __unused,
+ struct _citrus_stdenc_traits * __restrict et)
+{
+
+ et->et_state_size = 0;
+ et->et_mb_cur_max = 1;
+
+ ce->ce_closure = NULL;
+
+ return (0);
+}
+
+static void
+_citrus_NONE_stdenc_uninit(struct _citrus_stdenc *ce __unused)
+{
+
+}
+
+static int
+_citrus_NONE_stdenc_init_state(struct _citrus_stdenc * __restrict ce __unused,
+ void * __restrict ps __unused)
+{
+
+ return (0);
+}
+
+static int
+_citrus_NONE_stdenc_mbtocs(struct _citrus_stdenc * __restrict ce __unused,
+ _csid_t *csid, _index_t *idx, char **s, size_t n,
+ void *ps __unused, size_t *nresult, struct iconv_hooks *hooks)
+{
+
+ if (n < 1) {
+ *nresult = (size_t)-2;
+ return (0);
+ }
+
+ *csid = 0;
+ *idx = (_index_t)(unsigned char)*(*s)++;
+ *nresult = *idx == 0 ? 0 : 1;
+
+ if ((hooks != NULL) && (hooks->uc_hook != NULL))
+ hooks->uc_hook((unsigned int)*idx, hooks->data);
+
+ return (0);
+}
+
+static int
+_citrus_NONE_stdenc_cstomb(struct _citrus_stdenc * __restrict ce __unused,
+ char *s, size_t n, _csid_t csid, _index_t idx, void *ps __unused,
+ size_t *nresult, struct iconv_hooks *hooks __unused)
+{
+
+ if (csid == _CITRUS_CSID_INVALID) {
+ *nresult = 0;
+ return (0);
+ }
+ if (csid != 0)
+ return (EILSEQ);
+
+ if ((idx & 0x000000FF) == idx) {
+ if (n < 1) {
+ *nresult = (size_t)-1;
+ return (E2BIG);
+ }
+ *s = (char)idx;
+ *nresult = 1;
+ } else if ((idx & 0x0000FFFF) == idx) {
+ if (n < 2) {
+ *nresult = (size_t)-1;
+ return (E2BIG);
+ }
+ s[0] = (char)idx;
+ /* XXX: might be endian dependent */
+ s[1] = (char)(idx >> 8);
+ *nresult = 2;
+ } else if ((idx & 0x00FFFFFF) == idx) {
+ if (n < 3) {
+ *nresult = (size_t)-1;
+ return (E2BIG);
+ }
+ s[0] = (char)idx;
+ /* XXX: might be endian dependent */
+ s[1] = (char)(idx >> 8);
+ s[2] = (char)(idx >> 16);
+ *nresult = 3;
+ } else {
+ if (n < 3) {
+ *nresult = (size_t)-1;
+ return (E2BIG);
+ }
+ s[0] = (char)idx;
+ /* XXX: might be endian dependent */
+ s[1] = (char)(idx >> 8);
+ s[2] = (char)(idx >> 16);
+ s[3] = (char)(idx >> 24);
+ *nresult = 4;
+ }
+
+ return (0);
+}
+
+static int
+_citrus_NONE_stdenc_mbtowc(struct _citrus_stdenc * __restrict ce __unused,
+ _wc_t * __restrict pwc, char ** __restrict s, size_t n,
+ void * __restrict pspriv __unused, size_t * __restrict nresult,
+ struct iconv_hooks *hooks)
+{
+
+ if (s == NULL) {
+ *nresult = 0;
+ return (0);
+ }
+ if (n == 0) {
+ *nresult = (size_t)-2;
+ return (0);
+ }
+
+ if (pwc != NULL)
+ *pwc = (_wc_t)(unsigned char) **s;
+
+ *nresult = *s == '\0' ? 0 : 1;
+
+ if ((hooks != NULL) && (hooks->wc_hook != NULL))
+ hooks->wc_hook(*pwc, hooks->data);
+
+ return (0);
+}
+
+static int
+_citrus_NONE_stdenc_wctomb(struct _citrus_stdenc * __restrict ce __unused,
+ char * __restrict s, size_t n, _wc_t wc,
+ void * __restrict pspriv __unused, size_t * __restrict nresult,
+ struct iconv_hooks *hooks __unused)
+{
+ int ret;
+
+ if ((wc & ~0xFFU) != 0) {
+ *nresult = (size_t)-1;
+ return (EILSEQ);
+ }
+ if (n == 0) {
+ *nresult = (size_t)-1;
+ ret = E2BIG;
+ }
+
+ *nresult = 1;
+ if (s != NULL && n > 0)
+ *s = (char)wc;
+
+ return (0);
+}
+
+static int
+_citrus_NONE_stdenc_put_state_reset(struct _citrus_stdenc * __restrict ce __unused,
+ char * __restrict s __unused, size_t n __unused,
+ void * __restrict pspriv __unused, size_t * __restrict nresult)
+{
+
+ *nresult = 0;
+
+ return (0);
+}
+
+static int
+_citrus_NONE_stdenc_get_state_desc(struct _stdenc * __restrict ce __unused,
+ void * __restrict ps __unused, int id,
+ struct _stdenc_state_desc * __restrict d)
+{
+ int ret = 0;
+
+ switch (id) {
+ case _STDENC_SDID_GENERIC:
+ d->u.generic.state = _STDENC_SDGEN_INITIAL;
+ break;
+ default:
+ ret = EOPNOTSUPP;
+ }
+
+ return (ret);
+}
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