Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* cifs_unicode: Unicode kernel case support
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*
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* Function:
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* Convert a unicode character to upper or lower case using
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* compressed tables.
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*
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* Copyright (c) International Business Machines Corp., 2000,2009
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*
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* Notes:
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* These APIs are based on the C library functions. The semantics
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* should match the C functions but with expanded size operands.
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*
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* The upper/lower functions are based on a table created by mkupr.
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* This is a compressed table of upper and lower case conversion.
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*/
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#ifndef _CIFS_UNICODE_H
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#define _CIFS_UNICODE_H
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#include <asm/byteorder.h>
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#include <linux/types.h>
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#include <linux/nls.h>
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#include "../../nls/nls_ucs2_utils.h"
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/*
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* Macs use an older "SFM" mapping of the symbols above. Fortunately it does
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* not conflict (although almost does) with the mapping above.
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*/
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#define SFM_DOUBLEQUOTE ((__u16) 0xF020)
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#define SFM_ASTERISK ((__u16) 0xF021)
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#define SFM_QUESTION ((__u16) 0xF025)
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#define SFM_COLON ((__u16) 0xF022)
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#define SFM_GRTRTHAN ((__u16) 0xF024)
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#define SFM_LESSTHAN ((__u16) 0xF023)
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#define SFM_PIPE ((__u16) 0xF027)
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#define SFM_SLASH ((__u16) 0xF026)
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#define SFM_SPACE ((__u16) 0xF028)
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#define SFM_PERIOD ((__u16) 0xF029)
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/*
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* Mapping mechanism to use when one of the seven reserved characters is
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* encountered. We can only map using one of the mechanisms at a time
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* since otherwise readdir could return directory entries which we would
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* not be able to open
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*
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* NO_MAP_UNI_RSVD = do not perform any remapping of the character
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* SFM_MAP_UNI_RSVD = map reserved characters using SFM scheme (MAC compatible)
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* SFU_MAP_UNI_RSVD = map reserved characters ala SFU ("mapchars" option)
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*
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*/
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#define NO_MAP_UNI_RSVD 0
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#define SFM_MAP_UNI_RSVD 1
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#define SFU_MAP_UNI_RSVD 2
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int cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
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const struct nls_table *cp, int map_type);
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int cifs_utf16_bytes(const __le16 *from, int maxbytes,
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const struct nls_table *codepage);
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int cifs_strtoUTF16(__le16 *, const char *, int, const struct nls_table *);
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char *cifs_strndup_from_utf16(const char *src, const int maxlen,
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const bool is_unicode,
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const struct nls_table *codepage);
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extern int cifsConvertToUTF16(__le16 *target, const char *source, int maxlen,
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const struct nls_table *cp, int mapChars);
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extern int cifs_remap(struct cifs_sb_info *cifs_sb);
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extern __le16 *cifs_strndup_to_utf16(const char *src, const int maxlen,
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int *utf16_len, const struct nls_table *cp,
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int remap);
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wchar_t cifs_toupper(wchar_t in);
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#endif /* _CIFS_UNICODE_H */
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