1 files changed, 121 insertions, 0 deletions
diff --git a/lib/libc/iconv/citrus_lookup_factory.c b/lib/libc/iconv/citrus_lookup_factory.c
new file mode 100644
index 0000000..ec5a5d6
--- /dev/null
+++ b/lib/libc/iconv/citrus_lookup_factory.c
@@ -0,0 +1,121 @@
+/* $FreeBSD$ */
+/* $NetBSD: citrus_lookup_factory.c,v 1.4 2003/10/27 00:12:42 lukem 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 <ctype.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "citrus_namespace.h"
+#include "citrus_region.h"
+#include "citrus_bcs.h"
+#include "citrus_db_factory.h"
+#include "citrus_db_hash.h"
+#include "citrus_lookup_factory.h"
+#include "citrus_lookup_file.h"
+
+#define T_COMM '#'
+static int
+convert_line(struct _citrus_db_factory *df, const char *line, size_t len)
+{
+	const char *p;
+	char data[LINE_MAX], key[LINE_MAX];
+
+	/* cut off trailing comment */
+	p = memchr(line, T_COMM, len);
+	if (p)
+		len = p - line;
+
+	/* key */
+	line = _bcs_skip_ws_len(line, &len);
+	if (len == 0)
+		return (0);
+	p = _bcs_skip_nonws_len(line, &len);
+	if (p == line)
+		return (0);
+	snprintf(key, sizeof(key), "%.*s", (int)(p-line), line);
+	_bcs_convert_to_lower(key);
+
+	/* data */
+	line = _bcs_skip_ws_len(p, &len);
+	_bcs_trunc_rws_len(line, &len);
+	snprintf(data, sizeof(data), "%.*s", (int)len, line);
+
+	return (_db_factory_addstr_by_s(df, key, data));
+}
+
+static int
+dump_db(struct _citrus_db_factory *df, struct _region *r)
+{
+	void *ptr;
+	size_t size;
+
+	size = _db_factory_calc_size(df);
+	ptr = malloc(size);
+	if (ptr == NULL)
+		return (errno);
+	_region_init(r, ptr, size);
+
+	return (_db_factory_serialize(df, _CITRUS_LOOKUP_MAGIC, r));
+}
+
+int
+_citrus_lookup_factory_convert(FILE *out, FILE *in)
+{
+	struct _citrus_db_factory *df;
+	struct _region r;
+	char *line;
+	size_t size;
+	int ret;
+
+	ret = _db_factory_create(&df, &_db_hash_std, NULL);
+	if (ret)
+		return (ret);
+
+	while ((line = fgetln(in, &size)) != NULL)
+		if ((ret = convert_line(df, line, size))) {
+			_db_factory_free(df);
+			return (ret);
+		}
+
+	ret = dump_db(df, &r);
+	_db_factory_free(df);
+	if (ret)
+		return (ret);
+
+	if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1)
+		return (errno);
+
+	return (0);
+}