1 files changed, 145 insertions, 0 deletions
diff --git a/lib/libc/iconv/citrus_stdenc.c b/lib/libc/iconv/citrus_stdenc.c
new file mode 100644
index 0000000..b6562f8
--- /dev/null
+++ b/lib/libc/iconv/citrus_stdenc.c
@@ -0,0 +1,145 @@
+/* $FreeBSD$ */
+/* $NetBSD: citrus_stdenc.c,v 1.3 2005/10/29 18:02:04 tshiozak Exp $ */
+
+/*-
+ * Copyright (c)2003 Citrus Project,
+ * 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 <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "citrus_namespace.h"
+#include "citrus_types.h"
+#include "citrus_module.h"
+#include "citrus_none.h"
+#include "citrus_stdenc.h"
+
+struct _citrus_stdenc _citrus_stdenc_default = {
+	&_citrus_NONE_stdenc_ops,	/* ce_ops */
+	NULL,				/* ce_closure */
+	NULL,				/* ce_module */
+	&_citrus_NONE_stdenc_traits,	/* ce_traits */
+};
+
+int
+_citrus_stdenc_open(struct _citrus_stdenc * __restrict * __restrict rce,
+    char const * __restrict encname, const void * __restrict variable,
+    size_t lenvar)
+{
+	struct _citrus_stdenc *ce;
+	_citrus_module_t handle;
+	_citrus_stdenc_getops_t getops;
+	int ret;
+
+	if (!strcmp(encname, _CITRUS_DEFAULT_STDENC_NAME)) {
+		*rce = &_citrus_stdenc_default;
+		return (0);
+	}
+	ce = malloc(sizeof(*ce));
+	if (ce == NULL) {
+		ret = errno;
+		goto bad;
+	}
+	ce->ce_ops = NULL;
+	ce->ce_closure = NULL;
+	ce->ce_module = NULL;
+	ce->ce_traits = NULL;
+
+	ret = _citrus_load_module(&handle, encname);
+	if (ret)
+		goto bad;
+
+	ce->ce_module = handle;
+
+	getops = (_citrus_stdenc_getops_t)_citrus_find_getops(ce->ce_module,
+	    encname, "stdenc");
+	if (getops == NULL) {
+		ret = EINVAL;
+		goto bad;
+	}
+
+	ce->ce_ops = (struct _citrus_stdenc_ops *)malloc(sizeof(*ce->ce_ops));
+	if (ce->ce_ops == NULL) {
+		ret = errno;
+		goto bad;
+	}
+
+	ret = (*getops)(ce->ce_ops, sizeof(*ce->ce_ops));
+	if (ret)
+		goto bad;
+
+	/* validation check */
+	if (ce->ce_ops->eo_init == NULL ||
+	    ce->ce_ops->eo_uninit == NULL ||
+	    ce->ce_ops->eo_init_state == NULL ||
+	    ce->ce_ops->eo_mbtocs == NULL ||
+	    ce->ce_ops->eo_cstomb == NULL ||
+	    ce->ce_ops->eo_mbtowc == NULL ||
+	    ce->ce_ops->eo_wctomb == NULL ||
+	    ce->ce_ops->eo_get_state_desc == NULL)
+		goto bad;
+
+	/* allocate traits */
+	ce->ce_traits = malloc(sizeof(*ce->ce_traits));
+	if (ce->ce_traits == NULL) {
+		ret = errno;
+		goto bad;
+	}
+	/* init and get closure */
+	ret = (*ce->ce_ops->eo_init)(ce, variable, lenvar, ce->ce_traits);
+	if (ret)
+		goto bad;
+
+	*rce = ce;
+
+	return (0);
+
+bad:
+	_citrus_stdenc_close(ce);
+	return (ret);
+}
+
+void
+_citrus_stdenc_close(struct _citrus_stdenc *ce)
+{
+
+	if (ce == &_citrus_stdenc_default)
+		return;
+
+	if (ce->ce_module) {
+		if (ce->ce_ops) {
+			if (ce->ce_closure && ce->ce_ops->eo_uninit)
+				(*ce->ce_ops->eo_uninit)(ce);
+			free(ce->ce_ops);
+		}
+		free(ce->ce_traits);
+		_citrus_unload_module(ce->ce_module);
+	}
+	free(ce);
+}