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lib: charset: upper/lower case conversion

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Provide functions for upper and lower case conversion.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt
2018-09-04 19:34:56 +02:00
committed by Alexander Graf
parent 5b2118a2ad
commit b5130a8125
3 changed files with 73 additions and 0 deletions
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16
include/charset.h
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@@ -142,6 +142,22 @@ int utf16_utf8_strncpy(char **dst, const u16 *src, size_t count);
*/
#define utf16_utf8_strcpy(d, s) utf16_utf8_strncpy((d), (s), SIZE_MAX)
/**
* utf_to_lower() - convert a Unicode letter to lower case
*
* @code: letter to convert
* Return: lower case letter or unchanged letter
*/
s32 utf_to_lower(const s32 code);
/**
* utf_to_upper() - convert a Unicode letter to upper case
*
* @code: letter to convert
* Return: upper case letter or unchanged letter
*/
s32 utf_to_upper(const s32 code);
/**
* u16_strlen - count non-zero words
*