5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#ifndef lint
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsstatic char *rcsid = "$Id: delimitermap.c,v 1.1 2003/06/04 00:25:52 marka Exp $";
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#endif
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews/*
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Copyright (c) 2001,2002 Japan Network Information Center.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * All rights reserved.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * By using this file, you agree to the terms and conditions set forth bellow.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * LICENSE TERMS AND CONDITIONS
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * The following License Terms and Conditions apply, unless a different
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * license is obtained from Japan Network Information Center ("JPNIC"),
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Chiyoda-ku, Tokyo 101-0047, Japan.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * 1. Use, Modification and Redistribution (including distribution of any
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * modified or derived work) in source and/or binary forms is permitted
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * under this License Terms and Conditions.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * 2. Redistribution of source code must retain the copyright notices as they
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * appear in each source code file, this License Terms and Conditions.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * 3. Redistribution in binary form must reproduce the Copyright Notice,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * this License Terms and Conditions, in the documentation and/or other
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * materials provided with the distribution. For the purposes of binary
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * distribution the "Copyright Notice" refers to the following language:
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved."
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * 4. The name of JPNIC may not be used to endorse or promote products
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * derived from this Software without specific prior written approval of
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * JPNIC.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <config.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <stddef.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <stdlib.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <string.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <idn/result.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <idn/assert.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <idn/logmacro.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <idn/delimitermap.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <idn/util.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <idn/debug.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <idn/ucs4.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews/*
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Mapper object type.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsstruct idn_delimitermap {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int ndelimiters;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int delimiter_size;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews unsigned long *delimiters;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int reference_count;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews};
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define DELIMITERMAP_INITIAL_DELIMITER_SIZE 4
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define UNICODE_MAX 0x10ffff
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IS_SURROGATE_HIGH(v) (0xd800 <= (v) && (v) <= 0xdbff)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IS_SURROGATE_LOW(v) (0xdc00 <= (v) && (v) <= 0xdfff)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_result_t
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_delimitermap_create(idn_delimitermap_t *ctxp) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews idn_delimitermap_t ctx = NULL;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews idn_result_t r;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews assert(ctxp != NULL);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_create()\n"));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx = (idn_delimitermap_t) malloc(sizeof(struct idn_delimitermap));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (ctx == NULL) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews WARNING(("idn_mapper_create: malloc failed\n"));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_nomemory;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews goto ret;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->delimiters = (unsigned long *) malloc(sizeof(unsigned long)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * DELIMITERMAP_INITIAL_DELIMITER_SIZE);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (ctx->delimiters == NULL) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_nomemory;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews goto ret;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->ndelimiters = 0;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->delimiter_size = DELIMITERMAP_INITIAL_DELIMITER_SIZE;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->reference_count = 1;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *ctxp = ctx;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_success;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsret:
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (r != idn_success)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews free(ctx);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_create(): %s\n", idn_result_tostring(r)));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (r);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsvoid
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_delimitermap_destroy(idn_delimitermap_t ctx) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews assert(ctx != NULL);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_destroy()\n"));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->reference_count--;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (ctx->reference_count <= 0) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_mapper_destroy(): the object is destroyed\n"));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews free(ctx->delimiters);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews free(ctx);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews } else {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_destroy(): "
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews "update reference count (%d->%d)\n",
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->reference_count + 1, ctx->reference_count));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsvoid
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_delimitermap_incrref(idn_delimitermap_t ctx) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews assert(ctx != NULL);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_incrref()\n"));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_incrref: update reference count (%d->%d)\n",
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->reference_count, ctx->reference_count + 1));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->reference_count++;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_result_t
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_delimitermap_add(idn_delimitermap_t ctx, unsigned long delimiter) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews idn_result_t r;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews assert(ctx != NULL && ctx->ndelimiters <= ctx->delimiter_size);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_add(delimiter=\\x%04lx)\n", delimiter));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (delimiter == 0 || delimiter > UNICODE_MAX ||
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews IS_SURROGATE_HIGH(delimiter) || IS_SURROGATE_LOW(delimiter)) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_invalid_codepoint;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews goto ret;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (ctx->ndelimiters == ctx->delimiter_size) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews unsigned long *new_delimiters;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews new_delimiters = (unsigned long *) realloc(ctx->delimiters,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews sizeof(unsigned long) * ctx->delimiter_size * 2);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (new_delimiters == NULL) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_nomemory;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews goto ret;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->delimiters = new_delimiters;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->delimiter_size *= 2;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->delimiters[ctx->ndelimiters] = delimiter;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ctx->ndelimiters++;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_success;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsret:
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_add(): %s\n", idn_result_tostring(r)));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (r);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_result_t
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_delimitermap_addall(idn_delimitermap_t ctx, unsigned long *delimiters,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int ndelimiters) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews idn_result_t r;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int i;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews assert(ctx != NULL && delimiters != NULL);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_addall(ndelimiters=%d)\n", ndelimiters));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews for (i = 0; i < ndelimiters; i++) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_delimitermap_add(ctx, *delimiters);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (r != idn_success)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews goto ret;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews delimiters++;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_success;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsret:
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_addall(): %s\n", idn_result_tostring(r)));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (r);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_result_t
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsidn_delimitermap_map(idn_delimitermap_t ctx, const unsigned long *from,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews unsigned long *to, size_t tolen) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews /* default delimiters (label separators) from IDNA specification */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews static const unsigned long default_delimiters[] =
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews { 0x002e, /* full stop */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews 0x3002, /* ideographic full stop */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews 0xff0e, /* fullwidth full stop */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews 0xff61, /* halfwidth ideographic full stop */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews 0x0000 };
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews unsigned long *to_org = to;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews idn_result_t r;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int i, j;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int found;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews assert(ctx != NULL && from != NULL && to != NULL);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_map(from=\"%s\", tolen=%d)\n",
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews idn__debug_ucs4xstring(from, 50), (int)tolen));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews /*
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Map.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews while (*from != '\0') {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews found = 0;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (tolen < 1) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_buffer_overflow;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews goto ret;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews for (j = 0; default_delimiters[j] != 0x0000; j++) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (default_delimiters[j] == *from) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews found = 1;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews break;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (!found) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews for (i = 0; i < ctx->ndelimiters; i++) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (ctx->delimiters[i] == *from) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews found = 1;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews break;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (found)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *to = '.';
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews else
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *to = *from;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews from++;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews to++;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews tolen--;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (tolen < 1) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_buffer_overflow;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews goto ret;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *to = '\0';
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews r = idn_success;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsret:
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (r == idn_success) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_map(): success (to=\"%s\")\n",
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews idn__debug_ucs4xstring(to_org, 50)));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews } else {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews TRACE(("idn_delimitermap_map(): %s\n",
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews idn_result_tostring(r)));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews }
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (r);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}