upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.2 KiB
80 lines
2.2 KiB
/*
|
|
* charset conversion utils
|
|
*
|
|
* Copyright (c) 2017 Rob Clark
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __CHARSET_H_
|
|
#define __CHARSET_H_
|
|
|
|
#include <linux/types.h>
|
|
|
|
#define MAX_UTF8_PER_UTF16 3
|
|
|
|
/**
|
|
* utf16_strlen() - Get the length of an utf16 string
|
|
*
|
|
* Returns the number of 16 bit characters in an utf16 string, not
|
|
* including the terminating NULL character.
|
|
*
|
|
* @in the string to measure
|
|
* @return the string length
|
|
*/
|
|
size_t utf16_strlen(const uint16_t *in);
|
|
|
|
/**
|
|
* utf16_strnlen() - Get the length of a fixed-size utf16 string.
|
|
*
|
|
* Returns the number of 16 bit characters in an utf16 string,
|
|
* not including the terminating NULL character, but at most
|
|
* 'count' number of characters. In doing this, utf16_strnlen()
|
|
* looks at only the first 'count' characters.
|
|
*
|
|
* @in the string to measure
|
|
* @count the maximum number of characters to count
|
|
* @return the string length, up to a maximum of 'count'
|
|
*/
|
|
size_t utf16_strnlen(const uint16_t *in, size_t count);
|
|
|
|
/**
|
|
* utf16_strcpy() - UTF16 equivalent of strcpy()
|
|
*/
|
|
uint16_t *utf16_strcpy(uint16_t *dest, const uint16_t *src);
|
|
|
|
/**
|
|
* utf16_strdup() - UTF16 equivalent of strdup()
|
|
*/
|
|
uint16_t *utf16_strdup(const uint16_t *s);
|
|
|
|
/**
|
|
* utf16_to_utf8() - Convert an utf16 string to utf8
|
|
*
|
|
* Converts 'size' characters of the utf16 string 'src' to utf8
|
|
* written to the 'dest' buffer.
|
|
*
|
|
* NOTE that a single utf16 character can generate up to 3 utf8
|
|
* characters. See MAX_UTF8_PER_UTF16.
|
|
*
|
|
* @dest the destination buffer to write the utf8 characters
|
|
* @src the source utf16 string
|
|
* @size the number of utf16 characters to convert
|
|
* @return the pointer to the first unwritten byte in 'dest'
|
|
*/
|
|
uint8_t *utf16_to_utf8(uint8_t *dest, const uint16_t *src, size_t size);
|
|
|
|
/**
|
|
* utf8_to_utf16() - Convert an utf8 string to utf16
|
|
*
|
|
* Converts up to 'size' characters of the utf16 string 'src' to utf8
|
|
* written to the 'dest' buffer. Stops at 0x00.
|
|
*
|
|
* @dest the destination buffer to write the utf8 characters
|
|
* @src the source utf16 string
|
|
* @size maximum number of utf16 characters to convert
|
|
* @return the pointer to the first unwritten byte in 'dest'
|
|
*/
|
|
uint16_t *utf8_to_utf16(uint16_t *dest, const uint8_t *src, size_t size);
|
|
|
|
#endif /* __CHARSET_H_ */
|
|
|