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| author | Christoph Hellwig <hch@lst.de> | 2021-09-15 09:00:05 +0200 |
|---|---|---|
| committer | Gabriel Krisman Bertazi <krisman@collabora.com> | 2021-10-12 11:41:39 -0300 |
| commit | 2b3d047870120bcd46d7cc257d19ff49328fd585 (patch) | |
| tree | 246aaddfd7767703c9d3cc8a8828c6f064298d09 /fs/unicode/utf8n.h | |
| parent | 6ca99ce756c27852d1ea1e555045de1c920f30ed (diff) | |
| download | linux-2b3d047870120bcd46d7cc257d19ff49328fd585.tar.bz2 | |
unicode: Add utf8-data module
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>
Diffstat (limited to 'fs/unicode/utf8n.h')
| -rw-r--r-- | fs/unicode/utf8n.h | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/fs/unicode/utf8n.h b/fs/unicode/utf8n.h index 206c89f0dbf7..bd00d587747a 100644 --- a/fs/unicode/utf8n.h +++ b/fs/unicode/utf8n.h @@ -13,25 +13,7 @@ #include <linux/module.h> #include <linux/unicode.h> -int utf8version_is_supported(unsigned int version); - -/* - * Look for the correct const struct utf8data for a unicode version. - * Returns NULL if the version requested is too new. - * - * Two normalization forms are supported: nfdi and nfdicf. - * - * nfdi: - * - Apply unicode normalization form NFD. - * - Remove any Default_Ignorable_Code_Point. - * - * nfdicf: - * - Apply unicode normalization form NFD. - * - Remove any Default_Ignorable_Code_Point. - * - Apply a full casefold (C + F). - */ -extern const struct utf8data *utf8nfdi(unsigned int maxage); -extern const struct utf8data *utf8nfdicf(unsigned int maxage); +int utf8version_is_supported(const struct unicode_map *um, unsigned int version); /* * Determine the length of the normalized from of the string, @@ -78,4 +60,24 @@ int utf8ncursor(struct utf8cursor *u8c, const struct unicode_map *um, */ extern int utf8byte(struct utf8cursor *u8c); +struct utf8data { + unsigned int maxage; + unsigned int offset; +}; + +struct utf8data_table { + const unsigned int *utf8agetab; + int utf8agetab_size; + + const struct utf8data *utf8nfdicfdata; + int utf8nfdicfdata_size; + + const struct utf8data *utf8nfdidata; + int utf8nfdidata_size; + + const unsigned char *utf8data; +}; + +extern struct utf8data_table utf8_data_table; + #endif /* UTF8NORM_H */ |