[mirror_ubuntu-jammy-kernel.git] / fs / cifs / cifs_unicode.h

/*
 * 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
 *
 *   This program is free software;  you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
 *   the GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program;  if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 *
 * 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>

#define  UNIUPR_NOLOWER		/* Example to not expand lower case tables */

/*
 * Windows maps these to the user defined 16 bit Unicode range since they are
 * reserved symbols (along with \ and /), otherwise illegal to store
 * in filenames in NTFS
 */
#define UNI_ASTERISK    (__u16) ('*' + 0xF000)
#define UNI_QUESTION    (__u16) ('?' + 0xF000)
#define UNI_COLON       (__u16) (':' + 0xF000)
#define UNI_GRTRTHAN    (__u16) ('>' + 0xF000)
#define UNI_LESSTHAN    (__u16) ('<' + 0xF000)
#define UNI_PIPE        (__u16) ('|' + 0xF000)
#define UNI_SLASH       (__u16) ('\\' + 0xF000)

/* Just define what we want from uniupr.h.  We don't want to define the tables
 * in each source file.
 */
#ifndef	UNICASERANGE_DEFINED
struct UniCaseRange {
	wchar_t start;
	wchar_t end;
	signed char *table;
};
#endif				/* UNICASERANGE_DEFINED */

#ifndef UNIUPR_NOUPPER
extern signed char CifsUniUpperTable[512];
extern const struct UniCaseRange CifsUniUpperRange[];
#endif				/* UNIUPR_NOUPPER */

#ifndef UNIUPR_NOLOWER
extern signed char CifsUniLowerTable[512];
extern const struct UniCaseRange CifsUniLowerRange[];
#endif				/* UNIUPR_NOLOWER */

#ifdef __KERNEL__
int cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
		    const struct nls_table *codepage, bool mapchar);
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);
#endif

/*
 * UniStrcat:  Concatenate the second string to the first
 *
 * Returns:
 *     Address of the first string
 */
static inline wchar_t *
UniStrcat(wchar_t *ucs1, const wchar_t *ucs2)
{
	wchar_t *anchor = ucs1;	/* save a pointer to start of ucs1 */

	while (*ucs1++) ;	/* To end of first string */
	ucs1--;			/* Return to the null */
	while ((*ucs1++ = *ucs2++)) ;	/* copy string 2 over */
	return anchor;
}

/*
 * UniStrchr:  Find a character in a string
 *
 * Returns:
 *     Address of first occurrence of character in string
 *     or NULL if the character is not in the string
 */
static inline wchar_t *
UniStrchr(const wchar_t *ucs, wchar_t uc)
{
	while ((*ucs != uc) && *ucs)
		ucs++;

	if (*ucs == uc)
		return (wchar_t *) ucs;
	return NULL;
}

/*
 * UniStrcmp:  Compare two strings
 *
 * Returns:
 *     < 0:  First string is less than second
 *     = 0:  Strings are equal
 *     > 0:  First string is greater than second
 */
static inline int
UniStrcmp(const wchar_t *ucs1, const wchar_t *ucs2)
{
	while ((*ucs1 == *ucs2) && *ucs1) {
		ucs1++;
		ucs2++;
	}
	return (int) *ucs1 - (int) *ucs2;
}

/*
 * UniStrcpy:  Copy a string
 */
static inline wchar_t *
UniStrcpy(wchar_t *ucs1, const wchar_t *ucs2)
{
	wchar_t *anchor = ucs1;	/* save the start of result string */

	while ((*ucs1++ = *ucs2++)) ;
	return anchor;
}

/*
 * UniStrlen:  Return the length of a string (in 16 bit Unicode chars not bytes)
 */
static inline size_t
UniStrlen(const wchar_t *ucs1)
{
	int i = 0;

	while (*ucs1++)
		i++;
	return i;
}

/*
 * UniStrnlen:  Return the length (in 16 bit Unicode chars not bytes) of a
 *		string (length limited)
 */
static inline size_t
UniStrnlen(const wchar_t *ucs1, int maxlen)
{
	int i = 0;

	while (*ucs1++) {
		i++;
		if (i >= maxlen)
			break;
	}
	return i;
}

/*
 * UniStrncat:  Concatenate length limited string
 */
static inline wchar_t *
UniStrncat(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
	wchar_t *anchor = ucs1;	/* save pointer to string 1 */

	while (*ucs1++) ;
	ucs1--;			/* point to null terminator of s1 */
	while (n-- && (*ucs1 = *ucs2)) {	/* copy s2 after s1 */
		ucs1++;
		ucs2++;
	}
	*ucs1 = 0;		/* Null terminate the result */
	return (anchor);
}

/*
 * UniStrncmp:  Compare length limited string
 */
static inline int
UniStrncmp(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
	if (!n)
		return 0;	/* Null strings are equal */
	while ((*ucs1 == *ucs2) && *ucs1 && --n) {
		ucs1++;
		ucs2++;
	}
	return (int) *ucs1 - (int) *ucs2;
}

/*
 * UniStrncmp_le:  Compare length limited string - native to little-endian
 */
static inline int
UniStrncmp_le(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
	if (!n)
		return 0;	/* Null strings are equal */
	while ((*ucs1 == __le16_to_cpu(*ucs2)) && *ucs1 && --n) {
		ucs1++;
		ucs2++;
	}
	return (int) *ucs1 - (int) __le16_to_cpu(*ucs2);
}

/*
 * UniStrncpy:  Copy length limited string with pad
 */
static inline wchar_t *
UniStrncpy(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
	wchar_t *anchor = ucs1;

	while (n-- && *ucs2)	/* Copy the strings */
		*ucs1++ = *ucs2++;

	n++;
	while (n--)		/* Pad with nulls */
		*ucs1++ = 0;
	return anchor;
}

/*
 * UniStrncpy_le:  Copy length limited string with pad to little-endian
 */
static inline wchar_t *
UniStrncpy_le(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
	wchar_t *anchor = ucs1;

	while (n-- && *ucs2)	/* Copy the strings */
		*ucs1++ = __le16_to_cpu(*ucs2++);

	n++;
	while (n--)		/* Pad with nulls */
		*ucs1++ = 0;
	return anchor;
}

/*
 * UniStrstr:  Find a string in a string
 *
 * Returns:
 *     Address of first match found
 *     NULL if no matching string is found
 */
static inline wchar_t *
UniStrstr(const wchar_t *ucs1, const wchar_t *ucs2)
{
	const wchar_t *anchor1 = ucs1;
	const wchar_t *anchor2 = ucs2;

	while (*ucs1) {
		if (*ucs1 == *ucs2) {
			/* Partial match found */
			ucs1++;
			ucs2++;
		} else {
			if (!*ucs2)	/* Match found */
				return (wchar_t *) anchor1;
			ucs1 = ++anchor1;	/* No match */
			ucs2 = anchor2;
		}
	}

	if (!*ucs2)		/* Both end together */
		return (wchar_t *) anchor1;	/* Match found */
	return NULL;		/* No match */
}

#ifndef UNIUPR_NOUPPER
/*
 * UniToupper:  Convert a unicode character to upper case
 */
static inline wchar_t
UniToupper(register wchar_t uc)
{
	register const struct UniCaseRange *rp;

	if (uc < sizeof(CifsUniUpperTable)) {
		/* Latin characters */
		return uc + CifsUniUpperTable[uc];	/* Use base tables */
	} else {
		rp = CifsUniUpperRange;	/* Use range tables */
		while (rp->start) {
			if (uc < rp->start)	/* Before start of range */
				return uc;	/* Uppercase = input */
			if (uc <= rp->end)	/* In range */
				return uc + rp->table[uc - rp->start];
			rp++;	/* Try next range */
		}
	}
	return uc;		/* Past last range */
}

/*
 * UniStrupr:  Upper case a unicode string
 */
static inline wchar_t *
UniStrupr(register wchar_t *upin)
{
	register wchar_t *up;

	up = upin;
	while (*up) {		/* For all characters */
		*up = UniToupper(*up);
		up++;
	}
	return upin;		/* Return input pointer */
}
#endif				/* UNIUPR_NOUPPER */

#ifndef UNIUPR_NOLOWER
/*
 * UniTolower:  Convert a unicode character to lower case
 */
static inline wchar_t
UniTolower(register wchar_t uc)
{
	register const struct UniCaseRange *rp;

	if (uc < sizeof(CifsUniLowerTable)) {
		/* Latin characters */
		return uc + CifsUniLowerTable[uc];	/* Use base tables */
	} else {
		rp = CifsUniLowerRange;	/* Use range tables */
		while (rp->start) {
			if (uc < rp->start)	/* Before start of range */
				return uc;	/* Uppercase = input */
			if (uc <= rp->end)	/* In range */
				return uc + rp->table[uc - rp->start];
			rp++;	/* Try next range */
		}
	}
	return uc;		/* Past last range */
}

/*
 * UniStrlwr:  Lower case a unicode string
 */
static inline wchar_t *
UniStrlwr(register wchar_t *upin)
{
	register wchar_t *up;

	up = upin;
	while (*up) {		/* For all characters */
		*up = UniTolower(*up);
		up++;
	}
	return upin;		/* Return input pointer */
}

#endif

#endif /* _CIFS_UNICODE_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* cifs_unicode: Unicode kernel case support
	3	*
	4	* Function:
	5	* Convert a unicode character to upper or lower case using
	6	* compressed tables.
	7	*
d185cda7	8	* Copyright (c) International Business Machines Corp., 2000,2009
1da177e4 LT	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
d38d8c74	12	* the Free Software Foundation; either version 2 of the License, or
1da177e4	13	* (at your option) any later version.
d38d8c74	14	*
1da177e4 LT	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
	18	* the GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
d38d8c74	21	* along with this program; if not, write to the Free Software
1da177e4 LT	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	23	*
	24	*
	25	* Notes:
	26	* These APIs are based on the C library functions. The semantics
	27	* should match the C functions but with expanded size operands.
	28	*
	29	* The upper/lower functions are based on a table created by mkupr.
	30	* This is a compressed table of upper and lower case conversion.
	31	*
	32	*/
bf4f1211 ID	33	#ifndef _CIFS_UNICODE_H
bf4f1211 ID	34	#define _CIFS_UNICODE_H
1da177e4 LT	35
	36	#include <asm/byteorder.h>
	37	#include <linux/types.h>
	38	#include <linux/nls.h>
	39
	40	#define UNIUPR_NOLOWER /* Example to not expand lower case tables */
	41
66345f50 JL	42	/*
	43	* Windows maps these to the user defined 16 bit Unicode range since they are
	44	* reserved symbols (along with \ and /), otherwise illegal to store
	45	* in filenames in NTFS
	46	*/
581ade4d	47	#define UNI_ASTERISK (__u16) ('*' + 0xF000)
66345f50 JL	48	#define UNI_QUESTION (__u16) ('?' + 0xF000)
	49	#define UNI_COLON (__u16) (':' + 0xF000)
	50	#define UNI_GRTRTHAN (__u16) ('>' + 0xF000)
	51	#define UNI_LESSTHAN (__u16) ('<' + 0xF000)
	52	#define UNI_PIPE (__u16) ('\|' + 0xF000)
	53	#define UNI_SLASH (__u16) ('\\' + 0xF000)
	54
1da177e4 LT	55	/* Just define what we want from uniupr.h. We don't want to define the tables
	56	* in each source file.
	57	*/
	58	#ifndef UNICASERANGE_DEFINED
	59	struct UniCaseRange {
	60	wchar_t start;
	61	wchar_t end;
	62	signed char *table;
	63	};
	64	#endif /* UNICASERANGE_DEFINED */
	65
	66	#ifndef UNIUPR_NOUPPER
	67	extern signed char CifsUniUpperTable[512];
	68	extern const struct UniCaseRange CifsUniUpperRange[];
	69	#endif /* UNIUPR_NOUPPER */
	70
	71	#ifndef UNIUPR_NOLOWER
bf4f1211 ID	72	extern signed char CifsUniLowerTable[512];
bf4f1211 ID	73	extern const struct UniCaseRange CifsUniLowerRange[];
1da177e4 LT	74	#endif /* UNIUPR_NOLOWER */
	75
	76	#ifdef __KERNEL__
acbbb76a SF	77	int cifs_from_utf16(char to, const __le16 from, int tolen, int fromlen,
	78	const struct nls_table *codepage, bool mapchar);
	79	int cifs_utf16_bytes(const __le16 *from, int maxbytes,
	80	const struct nls_table *codepage);
	81	int cifs_strtoUTF16(__le16 , const char , int, const struct nls_table *);
	82	char cifs_strndup_from_utf16(const char src, const int maxlen,
	83	const bool is_unicode,
	84	const struct nls_table *codepage);
	85	extern int cifsConvertToUTF16(__le16 target, const char source, int maxlen,
	86	const struct nls_table *cp, int mapChars);
1da177e4 LT	87	#endif
	88
	89	/*
	90	* UniStrcat: Concatenate the second string to the first
	91	*
	92	* Returns:
	93	* Address of the first string
	94	*/
	95	static inline wchar_t *
50c2f753	96	UniStrcat(wchar_t ucs1, const wchar_t ucs2)
1da177e4 LT	97	{
	98	wchar_t anchor = ucs1; / save a pointer to start of ucs1 */
	99
	100	while (ucs1++) ; / To end of first string */
	101	ucs1--; /* Return to the null */
	102	while ((ucs1++ = ucs2++)) ; /* copy string 2 over */
	103	return anchor;
	104	}
	105
	106	/*
	107	* UniStrchr: Find a character in a string
	108	*
	109	* Returns:
	110	* Address of first occurrence of character in string
	111	* or NULL if the character is not in the string
	112	*/
	113	static inline wchar_t *
50c2f753	114	UniStrchr(const wchar_t *ucs, wchar_t uc)
1da177e4 LT	115	{
	116	while ((ucs != uc) && ucs)
	117	ucs++;
	118
	119	if (*ucs == uc)
	120	return (wchar_t *) ucs;
	121	return NULL;
	122	}
	123
	124	/*
	125	* UniStrcmp: Compare two strings
	126	*
	127	* Returns:
	128	* < 0: First string is less than second
	129	* = 0: Strings are equal
	130	* > 0: First string is greater than second
	131	*/
	132	static inline int
50c2f753	133	UniStrcmp(const wchar_t ucs1, const wchar_t ucs2)
1da177e4 LT	134	{
	135	while ((ucs1 == ucs2) && *ucs1) {
	136	ucs1++;
	137	ucs2++;
	138	}
	139	return (int) ucs1 - (int) ucs2;
	140	}
	141
	142	/*
	143	* UniStrcpy: Copy a string
	144	*/
	145	static inline wchar_t *
50c2f753	146	UniStrcpy(wchar_t ucs1, const wchar_t ucs2)
1da177e4 LT	147	{
	148	wchar_t anchor = ucs1; / save the start of result string */
	149
	150	while ((ucs1++ = ucs2++)) ;
	151	return anchor;
	152	}
	153
	154	/*
	155	* UniStrlen: Return the length of a string (in 16 bit Unicode chars not bytes)
	156	*/
	157	static inline size_t
50c2f753	158	UniStrlen(const wchar_t *ucs1)
1da177e4 LT	159	{
	160	int i = 0;
	161
	162	while (*ucs1++)
	163	i++;
	164	return i;
	165	}
	166
	167	/*
d38d8c74 SF	168	* UniStrnlen: Return the length (in 16 bit Unicode chars not bytes) of a
d38d8c74 SF	169	* string (length limited)
1da177e4 LT	170	*/
1da177e4 LT	171	static inline size_t
50c2f753	172	UniStrnlen(const wchar_t *ucs1, int maxlen)
1da177e4 LT	173	{
	174	int i = 0;
	175
	176	while (*ucs1++) {
	177	i++;
	178	if (i >= maxlen)
	179	break;
	180	}
	181	return i;
	182	}
	183
	184	/*
	185	* UniStrncat: Concatenate length limited string
	186	*/
	187	static inline wchar_t *
50c2f753	188	UniStrncat(wchar_t ucs1, const wchar_t ucs2, size_t n)
1da177e4 LT	189	{
	190	wchar_t anchor = ucs1; / save pointer to string 1 */
	191
	192	while (*ucs1++) ;
	193	ucs1--; /* point to null terminator of s1 */
	194	while (n-- && (ucs1 = ucs2)) { /* copy s2 after s1 */
	195	ucs1++;
	196	ucs2++;
	197	}
	198	ucs1 = 0; / Null terminate the result */
	199	return (anchor);
	200	}
	201
	202	/*
	203	* UniStrncmp: Compare length limited string
	204	*/
	205	static inline int
50c2f753	206	UniStrncmp(const wchar_t ucs1, const wchar_t ucs2, size_t n)
1da177e4 LT	207	{
	208	if (!n)
	209	return 0; /* Null strings are equal */
	210	while ((ucs1 == ucs2) && *ucs1 && --n) {
	211	ucs1++;
	212	ucs2++;
	213	}
	214	return (int) ucs1 - (int) ucs2;
	215	}
	216
	217	/*
	218	* UniStrncmp_le: Compare length limited string - native to little-endian
	219	*/
	220	static inline int
50c2f753	221	UniStrncmp_le(const wchar_t ucs1, const wchar_t ucs2, size_t n)
1da177e4 LT	222	{
	223	if (!n)
	224	return 0; /* Null strings are equal */
	225	while ((ucs1 == __le16_to_cpu(ucs2)) && *ucs1 && --n) {
	226	ucs1++;
	227	ucs2++;
	228	}
	229	return (int) ucs1 - (int) __le16_to_cpu(ucs2);
	230	}
	231
	232	/*
	233	* UniStrncpy: Copy length limited string with pad
	234	*/
	235	static inline wchar_t *
50c2f753	236	UniStrncpy(wchar_t ucs1, const wchar_t ucs2, size_t n)
1da177e4 LT	237	{
	238	wchar_t *anchor = ucs1;
	239
	240	while (n-- && ucs2) / Copy the strings */
	241	ucs1++ = ucs2++;
	242
	243	n++;
	244	while (n--) /* Pad with nulls */
	245	*ucs1++ = 0;
	246	return anchor;
	247	}
	248
	249	/*
	250	* UniStrncpy_le: Copy length limited string with pad to little-endian
	251	*/
	252	static inline wchar_t *
50c2f753	253	UniStrncpy_le(wchar_t ucs1, const wchar_t ucs2, size_t n)
1da177e4 LT	254	{
	255	wchar_t *anchor = ucs1;
	256
	257	while (n-- && ucs2) / Copy the strings */
	258	ucs1++ = __le16_to_cpu(ucs2++);
	259
	260	n++;
	261	while (n--) /* Pad with nulls */
	262	*ucs1++ = 0;
	263	return anchor;
	264	}
	265
	266	/*
	267	* UniStrstr: Find a string in a string
	268	*
	269	* Returns:
	270	* Address of first match found
	271	* NULL if no matching string is found
	272	*/
	273	static inline wchar_t *
50c2f753	274	UniStrstr(const wchar_t ucs1, const wchar_t ucs2)
1da177e4 LT	275	{
	276	const wchar_t *anchor1 = ucs1;
	277	const wchar_t *anchor2 = ucs2;
	278
	279	while (*ucs1) {
ad7a2926 SF	280	if (ucs1 == ucs2) {
ad7a2926 SF	281	/* Partial match found */
1da177e4 LT	282	ucs1++;
	283	ucs2++;
	284	} else {
	285	if (!ucs2) / Match found */
	286	return (wchar_t *) anchor1;
	287	ucs1 = ++anchor1; /* No match */
	288	ucs2 = anchor2;
	289	}
	290	}
	291
	292	if (!ucs2) / Both end together */
	293	return (wchar_t ) anchor1; / Match found */
	294	return NULL; /* No match */
	295	}
	296
	297	#ifndef UNIUPR_NOUPPER
	298	/*
	299	* UniToupper: Convert a unicode character to upper case
	300	*/
	301	static inline wchar_t
	302	UniToupper(register wchar_t uc)
	303	{
	304	register const struct UniCaseRange *rp;
	305
ad7a2926 SF	306	if (uc < sizeof(CifsUniUpperTable)) {
ad7a2926 SF	307	/* Latin characters */
1da177e4 LT	308	return uc + CifsUniUpperTable[uc]; /* Use base tables */
	309	} else {
	310	rp = CifsUniUpperRange; /* Use range tables */
	311	while (rp->start) {
	312	if (uc < rp->start) /* Before start of range */
	313	return uc; /* Uppercase = input */
	314	if (uc <= rp->end) /* In range */
	315	return uc + rp->table[uc - rp->start];
	316	rp++; /* Try next range */
	317	}
	318	}
	319	return uc; /* Past last range */
	320	}
	321
	322	/*
	323	* UniStrupr: Upper case a unicode string
	324	*/
	325	static inline wchar_t *
50c2f753	326	UniStrupr(register wchar_t *upin)
1da177e4 LT	327	{
	328	register wchar_t *up;
	329
	330	up = upin;
	331	while (up) { / For all characters */
	332	up = UniToupper(up);
	333	up++;
	334	}
	335	return upin; /* Return input pointer */
	336	}
	337	#endif /* UNIUPR_NOUPPER */
	338
	339	#ifndef UNIUPR_NOLOWER
	340	/*
	341	* UniTolower: Convert a unicode character to lower case
	342	*/
	343	static inline wchar_t
bf4f1211	344	UniTolower(register wchar_t uc)
1da177e4	345	{
bf4f1211	346	register const struct UniCaseRange *rp;
1da177e4	347
bf4f1211	348	if (uc < sizeof(CifsUniLowerTable)) {
ad7a2926	349	/* Latin characters */
bf4f1211	350	return uc + CifsUniLowerTable[uc]; /* Use base tables */
1da177e4	351	} else {
bf4f1211	352	rp = CifsUniLowerRange; /* Use range tables */
1da177e4 LT	353	while (rp->start) {
	354	if (uc < rp->start) /* Before start of range */
	355	return uc; /* Uppercase = input */
	356	if (uc <= rp->end) /* In range */
	357	return uc + rp->table[uc - rp->start];
	358	rp++; /* Try next range */
	359	}
	360	}
	361	return uc; /* Past last range */
	362	}
	363
	364	/*
	365	* UniStrlwr: Lower case a unicode string
	366	*/
	367	static inline wchar_t *
50c2f753	368	UniStrlwr(register wchar_t *upin)
1da177e4 LT	369	{
	370	register wchar_t *up;
	371
	372	up = upin;
	373	while (up) { / For all characters */
	374	up = UniTolower(up);
	375	up++;
	376	}
	377	return upin; /* Return input pointer */
	378	}
	379
	380	#endif
bf4f1211 ID	381
bf4f1211 ID	382	#endif /* _CIFS_UNICODE_H */