/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * cifs_unicode: Unicode kernel case support * * Function: * Convert a unicode character to upper or lower case using * compressed tables. * * Copyright (c) International Business Machines Corp., 2000,2009 * * Notes: * These APIs are based on the C library functions. The semantics * should match the C functions but with expanded size operands. * * The upper/lower functions are based on a table created by mkupr. * This is a compressed table of upper and lower case conversion. */ #ifndef _CIFS_UNICODE_H #define _CIFS_UNICODE_H #include <asm/byteorder.h> #include <linux/types.h> #include <linux/nls.h> #include "../../nls/nls_ucs2_utils.h" /* * Macs use an older "SFM" mapping of the symbols above. Fortunately it does * not conflict (although almost does) with the mapping above. */ #define SFM_DOUBLEQUOTE … #define SFM_ASTERISK … #define SFM_QUESTION … #define SFM_COLON … #define SFM_GRTRTHAN … #define SFM_LESSTHAN … #define SFM_PIPE … #define SFM_SLASH … #define SFM_SPACE … #define SFM_PERIOD … /* * Mapping mechanism to use when one of the seven reserved characters is * encountered. We can only map using one of the mechanisms at a time * since otherwise readdir could return directory entries which we would * not be able to open * * NO_MAP_UNI_RSVD = do not perform any remapping of the character * SFM_MAP_UNI_RSVD = map reserved characters using SFM scheme (MAC compatible) * SFU_MAP_UNI_RSVD = map reserved characters ala SFU ("mapchars" option) * */ #define NO_MAP_UNI_RSVD … #define SFM_MAP_UNI_RSVD … #define SFU_MAP_UNI_RSVD … #ifdef __KERNEL__ int cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen, const struct nls_table *cp, int map_type); int cifs_utf16_bytes(const __le16 *from, int maxbytes, const struct nls_table *codepage); int cifs_strtoUTF16(__le16 *, const char *, int, const struct nls_table *); char *cifs_strndup_from_utf16(const char *src, const int maxlen, const bool is_unicode, const struct nls_table *codepage); extern int cifsConvertToUTF16(__le16 *target, const char *source, int maxlen, const struct nls_table *cp, int mapChars); extern int cifs_remap(struct cifs_sb_info *cifs_sb); extern __le16 *cifs_strndup_to_utf16(const char *src, const int maxlen, int *utf16_len, const struct nls_table *cp, int remap); #endif wchar_t cifs_toupper(wchar_t in); #endif /* _CIFS_UNICODE_H */
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