NAME
/build/buildd/libmtp-0.2.1/src/unicode.c -
SYNOPSIS
#include <stdlib.h>
#include <string.h>
#include <iconv.h>
#include 'libmtp.h'
#include 'unicode.h'
#include 'util.h'
#include 'ptp.h'
Defines
#define STRING_BUFFER_LENGTH 1024
Functions
int ucs2_strlen (uint16_t const *const unicstr)
char * utf16_to_utf8 (LIBMTP_mtpdevice_t *device, const uint16_t *unicstr)
Detailed Description
This file contains general Unicode string manipulation functions. It mainly consist of functions for converting between UCS-2 (used on the devices) and UTF-8 (used by several applications).
For a deeper understanding of Unicode encoding formats see the Wikipedia entries for UTF-16/UCS-2 and UTF-8.
Copyright (C) 2005-2007 Linus Walleij <triad@df.lth.se>
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Define Documentation
#define STRING_BUFFER_LENGTH 1024
The size of the buffer (in characters) used for creating string copies.
Function Documentation
int ucs2_strlen (uint16_t const *const unicstr)
Gets the length (in characters, not bytes) of a unicode UCS-2 string, eg a string which physically is 0x00 0x41 0x00 0x00 will return a value of 1.
Parameters:
unicstr a UCS-2 Unicode string
Returns:
the length of the string, in number of characters. If you want to know the length in bytes, multiply this by two and add two (for zero terminator).
char* utf16_to_utf8 (LIBMTP_mtpdevice_t * device, const uint16_t * unicstr)
Converts a big-endian UTF-16 2-byte string to a UTF-8 string. Actually just a UCS-2 internal conversion routine that strips off the BOM if there is one.
Parameters:
device a pointer to the current device.
unicstr the UTF-16 unicode string to convert
Author
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