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unicode: Add utf8-data module

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utf8data.h contains a large database table which is an auto-generated
decodification trie for the unicode normalization functions.

Allow building it into a separate module.

Based on a patch from Shreeya Patel <shreeya.patel@collabora.com>.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
This commit is contained in:
Christoph Hellwig
2021-09-15 09:00:05 +02:00
committed by Gabriel Krisman Bertazi
parent 6ca99ce756
commit 2b3d047870
9 changed files with 126 additions and 91 deletions
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2
include/linux/unicode.h
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@@ -6,6 +6,7 @@
#include <linux/dcache.h>
struct utf8data;
struct utf8data_table;
#define UNICODE_MAJ_SHIFT 16
#define UNICODE_MIN_SHIFT 8
@@ -49,6 +50,7 @@ enum utf8_normalization {
struct unicode_map {
unsigned int version;
const struct utf8data *ntab[UTF8_NMAX];
const struct utf8data_table *tables;
};
int utf8_validate(const struct unicode_map *um, const struct qstr *str);