guacamole-spice-protocol/src/protocols/rdp/unicode.c

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libguac-client-rdp.
*
* The Initial Developer of the Original Code is
* Michael Jumper.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <stdint.h>
#include <guacamole/unicode.h>
void guac_rdp_utf16_to_utf8(const unsigned char* utf16, char* utf8, int length) {
int i;
const uint16_t* in_codepoint = (const uint16_t*) utf16;
/* For each UTF-16 character */
for (i=0; i<length; i++) {
/* Get next codepoint */
uint16_t codepoint = *(in_codepoint++);
/* Save codepoint as UTF-8 */
utf8 += guac_utf8_write(codepoint, utf8, 4);
}
/* Save NULL terminator */
*(utf8++) = 0;
}
void guac_rdp_utf8_to_utf16(const unsigned char* utf8, char* utf16, int length) {
int i;
uint16_t* out_codepoint = (uint16_t*) utf16;
/* For each UTF-8 character */
for (i=0; i<length; i++) {
/* Get next codepoint */
int codepoint;
utf8 += guac_utf8_read((const char*) utf8, 4, &codepoint);
/* Save codepoint as UTF-16 */
*(out_codepoint++) = codepoint;
}
}