75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "config.h"
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#include <stdint.h>
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#include <guacamole/unicode.h>
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void guac_rdp_utf16_to_utf8(const unsigned char* utf16, int length,
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char* utf8, int size) {
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int i;
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const uint16_t* in_codepoint = (const uint16_t*) utf16;
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/* For each UTF-16 character */
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for (i=0; i<length; i++) {
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/* Get next codepoint */
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uint16_t codepoint = *(in_codepoint++);
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/* Save codepoint as UTF-8 */
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int bytes_written = guac_utf8_write(codepoint, utf8, size);
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size -= bytes_written;
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utf8 += bytes_written;
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}
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/* Save NULL terminator */
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*(utf8++) = 0;
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}
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void guac_rdp_utf8_to_utf16(const unsigned char* utf8, int length,
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char* utf16, int size) {
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int i;
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uint16_t* out_codepoint = (uint16_t*) utf16;
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/* For each UTF-8 character */
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for (i=0; i<length; i++) {
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/* Get next codepoint */
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int codepoint;
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utf8 += guac_utf8_read((const char*) utf8, 4, &codepoint);
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/* Save codepoint as UTF-16 */
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*(out_codepoint++) = codepoint;
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/* Stop if buffer full */
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size -= 2;
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if (size < 2)
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break;
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}
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}
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