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-rw-r--r--fs/cifs/cifs_unicode.h102
1 files changed, 69 insertions, 33 deletions
diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h
index 39e5b970325..d8eac3b6cef 100644
--- a/fs/cifs/cifs_unicode.h
+++ b/fs/cifs/cifs_unicode.h
@@ -5,20 +5,20 @@
* Convert a unicode character to upper or lower case using
* compressed tables.
*
- * Copyright (c) International Business Machines Corp., 2000,2005555555555555555555555555555555555555555555555555555555
+ * 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
+ * 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
+ * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
@@ -30,6 +30,8 @@
* 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>
@@ -37,6 +39,19 @@
#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.
*/
@@ -54,15 +69,30 @@ extern const struct UniCaseRange CifsUniUpperRange[];
#endif /* UNIUPR_NOUPPER */
#ifndef UNIUPR_NOLOWER
-extern signed char UniLowerTable[512];
-extern struct UniCaseRange UniLowerRange[];
+extern signed char CifsUniLowerTable[512];
+extern const struct UniCaseRange CifsUniLowerRange[];
#endif /* UNIUPR_NOLOWER */
#ifdef __KERNEL__
-int cifs_strfromUCS_le(char *, const __le16 *, int, const struct nls_table *);
-int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *);
+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);
+#ifdef CONFIG_CIFS_SMB2
+extern __le16 *cifs_strndup_to_utf16(const char *src, const int maxlen,
+ int *utf16_len, const struct nls_table *cp,
+ int remap);
+#endif /* CONFIG_CIFS_SMB2 */
#endif
+wchar_t cifs_toupper(wchar_t in);
+
/*
* UniStrcat: Concatenate the second string to the first
*
@@ -70,7 +100,7 @@ int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *);
* Address of the first string
*/
static inline wchar_t *
-UniStrcat(wchar_t * ucs1, const wchar_t * ucs2)
+UniStrcat(wchar_t *ucs1, const wchar_t *ucs2)
{
wchar_t *anchor = ucs1; /* save a pointer to start of ucs1 */
@@ -88,7 +118,7 @@ UniStrcat(wchar_t * ucs1, const wchar_t * ucs2)
* or NULL if the character is not in the string
*/
static inline wchar_t *
-UniStrchr(const wchar_t * ucs, wchar_t uc)
+UniStrchr(const wchar_t *ucs, wchar_t uc)
{
while ((*ucs != uc) && *ucs)
ucs++;
@@ -107,7 +137,7 @@ UniStrchr(const wchar_t * ucs, wchar_t uc)
* > 0: First string is greater than second
*/
static inline int
-UniStrcmp(const wchar_t * ucs1, const wchar_t * ucs2)
+UniStrcmp(const wchar_t *ucs1, const wchar_t *ucs2)
{
while ((*ucs1 == *ucs2) && *ucs1) {
ucs1++;
@@ -120,7 +150,7 @@ UniStrcmp(const wchar_t * ucs1, const wchar_t * ucs2)
* UniStrcpy: Copy a string
*/
static inline wchar_t *
-UniStrcpy(wchar_t * ucs1, const wchar_t * ucs2)
+UniStrcpy(wchar_t *ucs1, const wchar_t *ucs2)
{
wchar_t *anchor = ucs1; /* save the start of result string */
@@ -132,7 +162,7 @@ UniStrcpy(wchar_t * ucs1, const wchar_t * ucs2)
* UniStrlen: Return the length of a string (in 16 bit Unicode chars not bytes)
*/
static inline size_t
-UniStrlen(const wchar_t * ucs1)
+UniStrlen(const wchar_t *ucs1)
{
int i = 0;
@@ -142,10 +172,11 @@ UniStrlen(const wchar_t * ucs1)
}
/*
- * UniStrnlen: Return the length (in 16 bit Unicode chars not bytes) of a string (length limited)
+ * 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)
+UniStrnlen(const wchar_t *ucs1, int maxlen)
{
int i = 0;
@@ -161,7 +192,7 @@ UniStrnlen(const wchar_t * ucs1, int maxlen)
* UniStrncat: Concatenate length limited string
*/
static inline wchar_t *
-UniStrncat(wchar_t * ucs1, const wchar_t * ucs2, size_t n)
+UniStrncat(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
wchar_t *anchor = ucs1; /* save pointer to string 1 */
@@ -179,7 +210,7 @@ UniStrncat(wchar_t * ucs1, const wchar_t * ucs2, size_t n)
* UniStrncmp: Compare length limited string
*/
static inline int
-UniStrncmp(const wchar_t * ucs1, const wchar_t * ucs2, size_t n)
+UniStrncmp(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
if (!n)
return 0; /* Null strings are equal */
@@ -194,7 +225,7 @@ UniStrncmp(const wchar_t * ucs1, const wchar_t * ucs2, size_t n)
* 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)
+UniStrncmp_le(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
if (!n)
return 0; /* Null strings are equal */
@@ -209,7 +240,7 @@ UniStrncmp_le(const wchar_t * ucs1, const wchar_t * ucs2, size_t n)
* UniStrncpy: Copy length limited string with pad
*/
static inline wchar_t *
-UniStrncpy(wchar_t * ucs1, const wchar_t * ucs2, size_t n)
+UniStrncpy(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
wchar_t *anchor = ucs1;
@@ -226,7 +257,7 @@ UniStrncpy(wchar_t * ucs1, const wchar_t * ucs2, size_t n)
* 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)
+UniStrncpy_le(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
wchar_t *anchor = ucs1;
@@ -247,13 +278,14 @@ UniStrncpy_le(wchar_t * ucs1, const wchar_t * ucs2, size_t n)
* NULL if no matching string is found
*/
static inline wchar_t *
-UniStrstr(const wchar_t * ucs1, const wchar_t * ucs2)
+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 */
+ if (*ucs1 == *ucs2) {
+ /* Partial match found */
ucs1++;
ucs2++;
} else {
@@ -278,7 +310,8 @@ UniToupper(register wchar_t uc)
{
register const struct UniCaseRange *rp;
- if (uc < sizeof (CifsUniUpperTable)) { /* Latin characters */
+ if (uc < sizeof(CifsUniUpperTable)) {
+ /* Latin characters */
return uc + CifsUniUpperTable[uc]; /* Use base tables */
} else {
rp = CifsUniUpperRange; /* Use range tables */
@@ -296,14 +329,14 @@ UniToupper(register wchar_t uc)
/*
* UniStrupr: Upper case a unicode string
*/
-static inline wchar_t *
-UniStrupr(register wchar_t * upin)
+static inline __le16 *
+UniStrupr(register __le16 *upin)
{
- register wchar_t *up;
+ register __le16 *up;
up = upin;
while (*up) { /* For all characters */
- *up = UniToupper(*up);
+ *up = cpu_to_le16(UniToupper(le16_to_cpu(*up)));
up++;
}
return upin; /* Return input pointer */
@@ -315,14 +348,15 @@ UniStrupr(register wchar_t * upin)
* UniTolower: Convert a unicode character to lower case
*/
static inline wchar_t
-UniTolower(wchar_t uc)
+UniTolower(register wchar_t uc)
{
- register struct UniCaseRange *rp;
+ register const struct UniCaseRange *rp;
- if (uc < sizeof (UniLowerTable)) { /* Latin characters */
- return uc + UniLowerTable[uc]; /* Use base tables */
+ if (uc < sizeof(CifsUniLowerTable)) {
+ /* Latin characters */
+ return uc + CifsUniLowerTable[uc]; /* Use base tables */
} else {
- rp = UniLowerRange; /* Use range tables */
+ rp = CifsUniLowerRange; /* Use range tables */
while (rp->start) {
if (uc < rp->start) /* Before start of range */
return uc; /* Uppercase = input */
@@ -338,7 +372,7 @@ UniTolower(wchar_t uc)
* UniStrlwr: Lower case a unicode string
*/
static inline wchar_t *
-UniStrlwr(register wchar_t * upin)
+UniStrlwr(register wchar_t *upin)
{
register wchar_t *up;
@@ -351,3 +385,5 @@ UniStrlwr(register wchar_t * upin)
}
#endif
+
+#endif /* _CIFS_UNICODE_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 18:25:55 +0000