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Subject[PATCH 1/8] Support full unicode in uni2char and char2uni
This patch extends uni2char and char2uni to full unicode but compensates this extension in every user by adding a check that only BMP characters are concerned except the users where wchar_t was used only as intermediary between 2 uni2char and char2uni calls (AFFS and BeFS).

Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
---
fs/affs/namei.c | 4 ++--
fs/affs/symlink.c | 2 +-
fs/befs/linuxvfs.c | 2 +-
fs/cifs/cifs_unicode.c | 8 ++++----
fs/fat/dir.c | 27 +++++++++++++++------------
fs/fat/namei_vfat.c | 7 ++++---
fs/hfs/trans.c | 4 ++--
fs/hfsplus/unicode.c | 10 +++++-----
fs/jfs/jfs_unicode.c | 6 ++++--
fs/ncpfs/ncplib_kernel.c | 16 +++++++++-------
fs/nls/nls_ascii.c | 8 ++++++--
fs/nls/nls_base.c | 8 ++++++--
fs/nls/nls_cp1250.c | 8 ++++++--
fs/nls/nls_cp1251.c | 8 ++++++--
fs/nls/nls_cp1255.c | 8 ++++++--
fs/nls/nls_cp437.c | 8 ++++++--
fs/nls/nls_cp737.c | 8 ++++++--
fs/nls/nls_cp775.c | 8 ++++++--
fs/nls/nls_cp850.c | 8 ++++++--
fs/nls/nls_cp852.c | 8 ++++++--
fs/nls/nls_cp855.c | 8 ++++++--
fs/nls/nls_cp857.c | 8 ++++++--
fs/nls/nls_cp860.c | 8 ++++++--
fs/nls/nls_cp861.c | 8 ++++++--
fs/nls/nls_cp862.c | 8 ++++++--
fs/nls/nls_cp863.c | 8 ++++++--
fs/nls/nls_cp864.c | 8 ++++++--
fs/nls/nls_cp865.c | 8 ++++++--
fs/nls/nls_cp866.c | 8 ++++++--
fs/nls/nls_cp869.c | 8 ++++++--
fs/nls/nls_cp874.c | 8 ++++++--
fs/nls/nls_cp932.c | 7 +++++--
fs/nls/nls_cp936.c | 7 +++++--
fs/nls/nls_cp949.c | 7 +++++--
fs/nls/nls_cp950.c | 7 +++++--
fs/nls/nls_euc-jp.c | 4 ++--
fs/nls/nls_iso8859-1.c | 8 ++++++--
fs/nls/nls_iso8859-13.c | 8 ++++++--
fs/nls/nls_iso8859-14.c | 8 ++++++--
fs/nls/nls_iso8859-15.c | 8 ++++++--
fs/nls/nls_iso8859-2.c | 8 ++++++--
fs/nls/nls_iso8859-3.c | 8 ++++++--
fs/nls/nls_iso8859-4.c | 8 ++++++--
fs/nls/nls_iso8859-5.c | 8 ++++++--
fs/nls/nls_iso8859-6.c | 8 ++++++--
fs/nls/nls_iso8859-7.c | 8 ++++++--
fs/nls/nls_iso8859-9.c | 8 ++++++--
fs/nls/nls_koi8-r.c | 8 ++++++--
fs/nls/nls_koi8-ru.c | 7 +++++--
fs/nls/nls_koi8-u.c | 8 ++++++--
fs/nls/nls_utf8.c | 7 ++++---
fs/ntfs/unistr.c | 6 +++---
fs/udf/unicode.c | 4 ++--
include/linux/nls.h | 4 ++--
54 files changed, 289 insertions(+), 129 deletions(-)
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index 600fa3e..044ae3e 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -399,7 +399,7 @@ affs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
break;
if (nls_disk && nls_io) {
ssize_t len;
- wchar_t uni;
+ unicode_t uni;
len = nls_io->char2uni(symname,
symnameend - symname,
&uni);
@@ -531,7 +531,7 @@ static size_t affs_translate_real(u8 *to, const u8 *from,
struct nls_table *nls_from,
size_t limit, size_t from_len)
{
- wchar_t uni;
+ unicode_t uni;
size_t i;
ssize_t len;
size_t to_len = limit;
diff --git a/fs/affs/symlink.c b/fs/affs/symlink.c
index be94d01..934e400 100644
--- a/fs/affs/symlink.c
+++ b/fs/affs/symlink.c
@@ -66,7 +66,7 @@ int affs_read_symlink(struct inode *inode, char *link)
break;
if (nls_disk && nls_io) {
ssize_t len;
- wchar_t uni;
+ unicode_t uni;
len = nls_disk->char2uni(symname,
symnameend - symname,
&uni);
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index e18da23..66ef58d 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -602,7 +602,7 @@ befs_nls2utf(struct super_block *sb, const char *in,
{
struct nls_table *nls = BEFS_SB(sb)->nls;
int i, o;
- wchar_t uni;
+ unicode_t uni;
int unilen, utflen;
char *result;
/* There're nls characters that will translate to 3-chars-wide UTF-8
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index fbb9da9..173916c 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -201,11 +201,11 @@ cifs_strtoUTF16(__le16 *to, const char *from, int len,
{
int charlen;
int i;
- wchar_t wchar_to; /* needed to quiet sparse */
+ unicode_t wchar_to; /* needed to quiet sparse */

for (i = 0; len && *from; i++, from += charlen, len -= charlen) {
charlen = codepage->char2uni(from, len, &wchar_to);
- if (charlen < 1) {
+ if (charlen < 1 || wchar_to > 0xffff) {
cERROR(1, "strtoUTF16: char2uni of 0x%x returned %d",
*from, charlen);
/* A question mark */
@@ -271,7 +271,7 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
int i, j, charlen;
char src_char;
__le16 dst_char;
- wchar_t tmp;
+ unicode_t tmp;

if (!mapChars)
return cifs_strtoUTF16(target, source, PATH_MAX, cp);
@@ -314,7 +314,7 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
* if no match, use question mark, which at least in
* some cases serves as wild card
*/
- if (charlen < 1) {
+ if (charlen < 1 || tmp > 0xffff) {
dst_char = cpu_to_le16(0x003f);
charlen = 1;
}
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index aca191b..9bb16f3 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -187,15 +187,17 @@ static inline int fat_uni_to_x8(struct super_block *sb, const wchar_t *uni,
}

static inline int
-fat_short2uni(struct nls_table *t, unsigned char *c, int clen, wchar_t *uni)
+fat_short2uni(struct nls_table *t, unsigned char *c, int clen, wchar_t *wc)
{
int charlen;
+ unicode_t uni;

- charlen = t->char2uni(c, clen, uni);
- if (charlen < 0) {
- *uni = 0x003f; /* a question mark */
- charlen = 1;
+ charlen = t->char2uni(c, clen, &uni);
+ if (charlen < 0 || uni > 0xffff) {
+ *wc = 0x003f; /* a question mark */
+ return 1;
}
+ *wc = uni;
return charlen;
}

@@ -203,24 +205,25 @@ static inline int
fat_short2lower_uni(struct nls_table *t, unsigned char *c, int clen, wchar_t *uni)
{
int charlen;
- wchar_t wc;
+ unicode_t wc;

charlen = t->char2uni(c, clen, &wc);
- if (charlen < 0) {
+ if (charlen < 0 || wc > 0xffff) {
*uni = 0x003f; /* a question mark */
- charlen = 1;
+ return 1;
} else if (charlen <= 1) {
unsigned char nc = t->charset2lower[*c];

if (!nc)
nc = *c;

- if ( (charlen = t->char2uni(&nc, 1, uni)) < 0) {
+ charlen = t->char2uni(&nc, 1, &wc);
+ if (charlen < 0 || wc > 0xffff) {
*uni = 0x003f; /* a question mark */
- charlen = 1;
+ return 1;
}
- } else
- *uni = wc;
+ }
+ *uni = wc;

return charlen;
}
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index 98ae804..6b9caa5 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -550,10 +550,11 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
ip += 5;
i += 5;
} else {
- charlen = nls->char2uni(ip, len - i,
- (wchar_t *)op);
- if (charlen < 0)
+ unicode_t t;
+ charlen = nls->char2uni(ip, len - i, &t);
+ if (charlen < 0 || t > 0xffff)
return -EINVAL;
+ *(wchar_t *)op = t;
ip += charlen;
i += charlen;
op += 2;
diff --git a/fs/hfs/trans.c b/fs/hfs/trans.c
index b1ce4c7..0dd0c7b 100644
--- a/fs/hfs/trans.c
+++ b/fs/hfs/trans.c
@@ -45,7 +45,7 @@ int hfs_mac2asc(struct super_block *sb, char *out, const struct hfs_name *in)
dst = out;
dstlen = HFS_MAX_NAMELEN;
if (nls_io) {
- wchar_t ch;
+ unicode_t ch;

while (srclen > 0) {
if (nls_disk) {
@@ -107,7 +107,7 @@ void hfs_asc2mac(struct super_block *sb, struct hfs_name *out, struct qstr *in)
dst = out->name;
dstlen = HFS_NAMELEN;
if (nls_io) {
- wchar_t ch;
+ unicode_t ch;

while (srclen > 0) {
size = nls_io->char2uni(src, srclen, &ch);
diff --git a/fs/hfsplus/unicode.c b/fs/hfsplus/unicode.c
index a32998f..5b2c8de 100644
--- a/fs/hfsplus/unicode.c
+++ b/fs/hfsplus/unicode.c
@@ -253,10 +253,10 @@ out:
* Returns the number of ASCII characters corresponding to the unicode char.
*/
static inline int asc2unichar(struct super_block *sb, const char *astr, int len,
- wchar_t *uc)
+ unicode_t *uc)
{
int size = HFSPLUS_SB(sb)->nls->char2uni(astr, len, uc);
- if (size <= 0) {
+ if (size <= 0 || *uc > 0xffff) {
*uc = '?';
size = 1;
}
@@ -300,7 +300,7 @@ int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr,
{
int size, dsize, decompose;
u16 *dstr, outlen = 0;
- wchar_t c;
+ unicode_t c;

decompose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
while (outlen < HFSPLUS_MAX_STRLEN && len > 0) {
@@ -341,7 +341,7 @@ int hfsplus_hash_dentry(const struct dentry *dentry, const struct inode *inode,
const u16 *dstr;
int casefold, decompose, size, len;
unsigned long hash;
- wchar_t c;
+ unicode_t c;
u16 c2;

casefold = test_bit(HFSPLUS_SB_CASEFOLD, &HFSPLUS_SB(sb)->flags);
@@ -396,7 +396,7 @@ int hfsplus_compare_dentry(const struct dentry *parent,
const u16 *dstr1, *dstr2;
const char *astr1, *astr2;
u16 c1, c2;
- wchar_t c;
+ unicode_t c;

casefold = test_bit(HFSPLUS_SB_CASEFOLD, &HFSPLUS_SB(sb)->flags);
decompose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
diff --git a/fs/jfs/jfs_unicode.c b/fs/jfs/jfs_unicode.c
index c7de6f5..2d70cf1 100644
--- a/fs/jfs/jfs_unicode.c
+++ b/fs/jfs/jfs_unicode.c
@@ -88,8 +88,10 @@ static int jfs_strtoUCS(wchar_t * to, const unsigned char *from, int len,
if (codepage) {
for (i = 0; len && *from; i++, from += charlen, len -= charlen)
{
- charlen = codepage->char2uni(from, len, &to[i]);
- if (charlen < 1) {
+ unicode_t uni;
+ charlen = codepage->char2uni(from, len, &uni);
+ to[i] = uni;
+ if (charlen < 1 || uni > 0xffff) {
jfs_err("jfs_strtoUCS: char2uni returned %d.",
charlen);
jfs_err("charset = %s, char = 0x%x",
diff --git a/fs/ncpfs/ncplib_kernel.c b/fs/ncpfs/ncplib_kernel.c
index 981a956..c9f66dc 100644
--- a/fs/ncpfs/ncplib_kernel.c
+++ b/fs/ncpfs/ncplib_kernel.c
@@ -1120,17 +1120,15 @@ ncp__io2vol(struct ncp_server *server, unsigned char *vname, unsigned int *vlen,

while (iname < iname_end) {
int chl;
- wchar_t ec;
+ unicode_t ec;

if (NCP_IS_FLAG(server, NCP_FLAG_UTF8)) {
int k;
- unicode_t u;

- k = utf8_to_utf32(iname, iname_end - iname, &u);
- if (k < 0 || u > MAX_WCHAR_T)
+ k = utf8_to_utf32(iname, iname_end - iname, &ec);
+ if (k < 0 || ec > MAX_WCHAR_T)
return -EINVAL;
iname += k;
- ec = u;
} else {
if (*iname == NCP_ESC) {
int k;
@@ -1160,6 +1158,9 @@ nospec:;
}
}

+ if (ec > MAX_WCHAR_T)
+ return -EINVAL;
+
/* unitoupper should be here! */

chl = out->uni2char(ec, vname, vname_end - vname);
@@ -1213,10 +1214,11 @@ ncp__vol2io(struct ncp_server *server, unsigned char *iname, unsigned int *ilen,
vname_end = vname + vlen;

while (vname < vname_end) {
- wchar_t ec;
+ unicode_t ec;
int chl;

- if ( (chl = in->char2uni(vname, vname_end - vname, &ec)) < 0) {
+ chl = in->char2uni(vname, vname_end - vname, &ec);
+ if (chl < 0 || ec > 0xffff) {
err = chl;
goto quit;
}
diff --git a/fs/nls/nls_ascii.c b/fs/nls/nls_ascii.c
index 7020e94..c15b145 100644
--- a/fs/nls/nls_ascii.c
+++ b/fs/nls/nls_ascii.c
@@ -117,7 +117,7 @@ static const unsigned char charset2upper[256] = {
0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -126,6 +126,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -134,7 +137,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c
index fea6bd5..4f6d1ae 100644
--- a/fs/nls/nls_base.c
+++ b/fs/nls/nls_base.c
@@ -493,7 +493,7 @@ static const unsigned char charset2upper[256] = {
};


-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -502,6 +502,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -510,7 +513,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp1250.c b/fs/nls/nls_cp1250.c
index c8471fe..05d3be1 100644
--- a/fs/nls/nls_cp1250.c
+++ b/fs/nls/nls_cp1250.c
@@ -298,7 +298,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -307,6 +307,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -315,7 +318,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp1251.c b/fs/nls/nls_cp1251.c
index 1939b46..b2e5d0a 100644
--- a/fs/nls/nls_cp1251.c
+++ b/fs/nls/nls_cp1251.c
@@ -252,7 +252,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -261,6 +261,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -269,7 +272,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp1255.c b/fs/nls/nls_cp1255.c
index 8120ae2..1365831 100644
--- a/fs/nls/nls_cp1255.c
+++ b/fs/nls/nls_cp1255.c
@@ -333,7 +333,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -342,6 +342,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -350,7 +353,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp437.c b/fs/nls/nls_cp437.c
index ff37a46..cf27d0a 100644
--- a/fs/nls/nls_cp437.c
+++ b/fs/nls/nls_cp437.c
@@ -338,7 +338,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -347,6 +347,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -355,7 +358,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp737.c b/fs/nls/nls_cp737.c
index f5576b8..f9fd323 100644
--- a/fs/nls/nls_cp737.c
+++ b/fs/nls/nls_cp737.c
@@ -301,7 +301,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -310,6 +310,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -318,7 +321,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp775.c b/fs/nls/nls_cp775.c
index 4905635..9a9f9cb 100644
--- a/fs/nls/nls_cp775.c
+++ b/fs/nls/nls_cp775.c
@@ -270,7 +270,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -279,6 +279,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -287,7 +290,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp850.c b/fs/nls/nls_cp850.c
index fe5bdad..66f5876 100644
--- a/fs/nls/nls_cp850.c
+++ b/fs/nls/nls_cp850.c
@@ -266,7 +266,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -275,6 +275,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -283,7 +286,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp852.c b/fs/nls/nls_cp852.c
index ceb1c01..3a6a70b 100644
--- a/fs/nls/nls_cp852.c
+++ b/fs/nls/nls_cp852.c
@@ -288,7 +288,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xeb, 0xfc, 0xfc, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -297,6 +297,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -305,7 +308,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp855.c b/fs/nls/nls_cp855.c
index cc7f5fb2..e1875dc 100644
--- a/fs/nls/nls_cp855.c
+++ b/fs/nls/nls_cp855.c
@@ -250,7 +250,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xfa, 0xfa, 0xfc, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -259,6 +259,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -267,7 +270,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp857.c b/fs/nls/nls_cp857.c
index e418e19..33bb390 100644
--- a/fs/nls/nls_cp857.c
+++ b/fs/nls/nls_cp857.c
@@ -252,7 +252,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -261,6 +261,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -269,7 +272,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp860.c b/fs/nls/nls_cp860.c
index a86c97d..375caae 100644
--- a/fs/nls/nls_cp860.c
+++ b/fs/nls/nls_cp860.c
@@ -315,7 +315,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -324,6 +324,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -332,7 +335,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp861.c b/fs/nls/nls_cp861.c
index bd92022..6ca31c1 100644
--- a/fs/nls/nls_cp861.c
+++ b/fs/nls/nls_cp861.c
@@ -338,7 +338,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -347,6 +347,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -355,7 +358,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp862.c b/fs/nls/nls_cp862.c
index e9b68eb..17305cf 100644
--- a/fs/nls/nls_cp862.c
+++ b/fs/nls/nls_cp862.c
@@ -372,7 +372,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -381,6 +381,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -389,7 +392,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp863.c b/fs/nls/nls_cp863.c
index f8a9b07..edcec62 100644
--- a/fs/nls/nls_cp863.c
+++ b/fs/nls/nls_cp863.c
@@ -332,7 +332,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -341,6 +341,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -349,7 +352,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp864.c b/fs/nls/nls_cp864.c
index 8d31f43..8ac66ef 100644
--- a/fs/nls/nls_cp864.c
+++ b/fs/nls/nls_cp864.c
@@ -358,7 +358,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0x00, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -367,6 +367,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -375,7 +378,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp865.c b/fs/nls/nls_cp865.c
index 4bd902f..69ab13d 100644
--- a/fs/nls/nls_cp865.c
+++ b/fs/nls/nls_cp865.c
@@ -338,7 +338,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -347,6 +347,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -355,7 +358,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp866.c b/fs/nls/nls_cp866.c
index bdc7cb3..fcc984a 100644
--- a/fs/nls/nls_cp866.c
+++ b/fs/nls/nls_cp866.c
@@ -256,7 +256,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -265,6 +265,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -273,7 +276,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp869.c b/fs/nls/nls_cp869.c
index 9f283a2..9952629 100644
--- a/fs/nls/nls_cp869.c
+++ b/fs/nls/nls_cp869.c
@@ -266,7 +266,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xd5, 0x96, 0xfc, 0x98, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -275,6 +275,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -283,7 +286,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp874.c b/fs/nls/nls_cp874.c
index 0b3c488..5b4312e 100644
--- a/fs/nls/nls_cp874.c
+++ b/fs/nls/nls_cp874.c
@@ -224,7 +224,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -233,6 +233,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -241,7 +244,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_cp932.c b/fs/nls/nls_cp932.c
index 0ffed6f..0b9aa93 100644
--- a/fs/nls/nls_cp932.c
+++ b/fs/nls/nls_cp932.c
@@ -7834,7 +7834,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(const wchar_t uni,
+static int uni2char(const unicode_t uni,
unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
@@ -7844,6 +7844,9 @@ static int uni2char(const wchar_t uni,
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
if (ch == 0xFF && 0x61 <= cl && cl <= 0x9F) {
out[0] = cl + 0x40;
return 1;
@@ -7875,7 +7878,7 @@ static int uni2char(const wchar_t uni,
}

static int char2uni(const unsigned char *rawstring, int boundlen,
- wchar_t *uni)
+ unicode_t *uni)
{
unsigned char ch, cl;
const wchar_t *charset2uni;
diff --git a/fs/nls/nls_cp936.c b/fs/nls/nls_cp936.c
index 8277030..637f276 100644
--- a/fs/nls/nls_cp936.c
+++ b/fs/nls/nls_cp936.c
@@ -10997,7 +10997,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(const wchar_t uni,
+static int uni2char(const unicode_t uni,
unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
@@ -11008,6 +11008,9 @@ static int uni2char(const wchar_t uni,
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
if (uni == 0x20ac) {/* Euro symbol.The only exception with a non-ascii unicode */
out[0] = 0x80;
return 1;
@@ -11047,7 +11050,7 @@ static int uni2char(const wchar_t uni,
}

static int char2uni(const unsigned char *rawstring, int boundlen,
- wchar_t *uni)
+ unicode_t *uni)
{
unsigned char ch, cl;
const wchar_t *charset2uni;
diff --git a/fs/nls/nls_cp949.c b/fs/nls/nls_cp949.c
index 8a7a2fe..4879982 100644
--- a/fs/nls/nls_cp949.c
+++ b/fs/nls/nls_cp949.c
@@ -13858,7 +13858,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(const wchar_t uni,
+static int uni2char(const unicode_t uni,
unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
@@ -13870,6 +13870,9 @@ static int uni2char(const wchar_t uni,
return -ENAMETOOLONG;


+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset) {
if (boundlen <= 1)
@@ -13890,7 +13893,7 @@ static int uni2char(const wchar_t uni,
}

static int char2uni(const unsigned char *rawstring, int boundlen,
- wchar_t *uni)
+ unicode_t *uni)
{
unsigned char ch, cl;
const wchar_t *charset2uni;
diff --git a/fs/nls/nls_cp950.c b/fs/nls/nls_cp950.c
index ef25368..019ae50 100644
--- a/fs/nls/nls_cp950.c
+++ b/fs/nls/nls_cp950.c
@@ -9394,7 +9394,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(const wchar_t uni,
+static int uni2char(const unicode_t uni,
unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
@@ -9406,6 +9406,9 @@ static int uni2char(const wchar_t uni,
return -ENAMETOOLONG;


+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset) {
if (boundlen <= 1)
@@ -9426,7 +9429,7 @@ static int uni2char(const wchar_t uni,
}

static int char2uni(const unsigned char *rawstring, int boundlen,
- wchar_t *uni)
+ unicode_t *uni)
{
unsigned char ch, cl;
const wchar_t *charset2uni;
diff --git a/fs/nls/nls_euc-jp.c b/fs/nls/nls_euc-jp.c
index 7424929..2af2c03 100644
--- a/fs/nls/nls_euc-jp.c
+++ b/fs/nls/nls_euc-jp.c
@@ -406,7 +406,7 @@ static inline int sjisnec2sjisibm(unsigned char *sjisibm,
return 2;
}

-static int uni2char(const wchar_t uni,
+static int uni2char(const unicode_t uni,
unsigned char *out, int boundlen)
{
int n;
@@ -477,7 +477,7 @@ static int uni2char(const wchar_t uni,
}

static int char2uni(const unsigned char *rawstring, int boundlen,
- wchar_t *uni)
+ unicode_t *uni)
{
unsigned char sjis_temp[2];
int euc_offset, n;
diff --git a/fs/nls/nls_iso8859-1.c b/fs/nls/nls_iso8859-1.c
index 7b951bb..b904c26 100644
--- a/fs/nls/nls_iso8859-1.c
+++ b/fs/nls/nls_iso8859-1.c
@@ -208,7 +208,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0x00, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -217,6 +217,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -225,7 +228,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-13.c b/fs/nls/nls_iso8859-13.c
index c4d52ea..357a827 100644
--- a/fs/nls/nls_iso8859-13.c
+++ b/fs/nls/nls_iso8859-13.c
@@ -236,7 +236,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -245,6 +245,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -253,7 +256,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-14.c b/fs/nls/nls_iso8859-14.c
index dc02600..8493956 100644
--- a/fs/nls/nls_iso8859-14.c
+++ b/fs/nls/nls_iso8859-14.c
@@ -292,7 +292,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xaf, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -301,6 +301,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -309,7 +312,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-15.c b/fs/nls/nls_iso8859-15.c
index 3c7dfc8..4495ebf 100644
--- a/fs/nls/nls_iso8859-15.c
+++ b/fs/nls/nls_iso8859-15.c
@@ -258,7 +258,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xbe, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -267,6 +267,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -275,7 +278,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-2.c b/fs/nls/nls_iso8859-2.c
index a2d2197..37c2672 100644
--- a/fs/nls/nls_iso8859-2.c
+++ b/fs/nls/nls_iso8859-2.c
@@ -259,7 +259,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -268,6 +268,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -276,7 +279,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-3.c b/fs/nls/nls_iso8859-3.c
index a61e0da..71cfe3b 100644
--- a/fs/nls/nls_iso8859-3.c
+++ b/fs/nls/nls_iso8859-3.c
@@ -259,7 +259,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -268,6 +268,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -276,7 +279,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-4.c b/fs/nls/nls_iso8859-4.c
index e8ff555..72bbdcd 100644
--- a/fs/nls/nls_iso8859-4.c
+++ b/fs/nls/nls_iso8859-4.c
@@ -259,7 +259,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -268,6 +268,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -276,7 +279,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-5.c b/fs/nls/nls_iso8859-5.c
index 4721e89..326d0f8 100644
--- a/fs/nls/nls_iso8859-5.c
+++ b/fs/nls/nls_iso8859-5.c
@@ -223,7 +223,7 @@ static const unsigned char charset2upper[256] = {
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xfd, 0xae, 0xaf, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -232,6 +232,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -240,7 +243,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-6.c b/fs/nls/nls_iso8859-6.c
index 01a517d..d42b681 100644
--- a/fs/nls/nls_iso8859-6.c
+++ b/fs/nls/nls_iso8859-6.c
@@ -214,7 +214,7 @@ static const unsigned char charset2upper[256] = {
0xf0, 0xf1, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf0-0xf7 */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -223,6 +223,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -231,7 +234,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-7.c b/fs/nls/nls_iso8859-7.c
index 2d27b93..0f22a64 100644
--- a/fs/nls/nls_iso8859-7.c
+++ b/fs/nls/nls_iso8859-7.c
@@ -268,7 +268,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xbc, 0xbe, 0xbf, 0x00, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -277,6 +277,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -285,7 +288,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_iso8859-9.c b/fs/nls/nls_iso8859-9.c
index 694bf07..86e5dbb 100644
--- a/fs/nls/nls_iso8859-9.c
+++ b/fs/nls/nls_iso8859-9.c
@@ -223,7 +223,7 @@ static const unsigned char charset2upper[256] = {
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0x49, 0xde, 0x00, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -232,6 +232,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -240,7 +243,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_koi8-r.c b/fs/nls/nls_koi8-r.c
index 4387531..d51cb5e 100644
--- a/fs/nls/nls_koi8-r.c
+++ b/fs/nls/nls_koi8-r.c
@@ -274,7 +274,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -283,6 +283,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -291,7 +294,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_koi8-ru.c b/fs/nls/nls_koi8-ru.c
index e7bc1d7..7c3f4ba 100644
--- a/fs/nls/nls_koi8-ru.c
+++ b/fs/nls/nls_koi8-ru.c
@@ -13,12 +13,15 @@

static struct nls_table *p_nls;

-static int uni2char(const wchar_t uni,
+static int uni2char(const unicode_t uni,
unsigned char *out, int boundlen)
{
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
if ((uni & 0xffaf) == 0x040e || (uni & 0xffce) == 0x254c) {
/* koi8-ru and koi8-u differ only on two characters */
if (uni == 0x040e)
@@ -37,7 +40,7 @@ static int uni2char(const wchar_t uni,
}

static int char2uni(const unsigned char *rawstring, int boundlen,
- wchar_t *uni)
+ unicode_t *uni)
{
int n;

diff --git a/fs/nls/nls_koi8-u.c b/fs/nls/nls_koi8-u.c
index 8c9f029..a177b9d 100644
--- a/fs/nls/nls_koi8-u.c
+++ b/fs/nls/nls_koi8-u.c
@@ -281,7 +281,7 @@ static const unsigned char charset2upper[256] = {
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
};

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
const unsigned char *uni2charset;
unsigned char cl = uni & 0x00ff;
@@ -290,6 +290,9 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
if (boundlen <= 0)
return -ENAMETOOLONG;

+ if (uni > 0xffff)
+ return -EINVAL;
+
uni2charset = page_uni2charset[ch];
if (uni2charset && uni2charset[cl])
out[0] = uni2charset[cl];
@@ -298,7 +301,8 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return 1;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
*uni = charset2uni[*rawstring];
if (*uni == 0x0000)
diff --git a/fs/nls/nls_utf8.c b/fs/nls/nls_utf8.c
index 0d60a44..eb6392e 100644
--- a/fs/nls/nls_utf8.c
+++ b/fs/nls/nls_utf8.c
@@ -11,7 +11,7 @@

static unsigned char identity[256];

-static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+static int uni2char(unicode_t uni, unsigned char *out, int boundlen)
{
int n;

@@ -26,13 +26,14 @@ static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
return n;
}

-static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+static int char2uni(const unsigned char *rawstring, int boundlen,
+ unicode_t *uni)
{
int n;
unicode_t u;

n = utf8_to_utf32(rawstring, boundlen, &u);
- if (n < 0 || u > MAX_WCHAR_T) {
+ if (n < 0 || u > 0x10ffff) {
*uni = 0x003f; /* ? */
return -EINVAL;
}
diff --git a/fs/ntfs/unistr.c b/fs/ntfs/unistr.c
index 005ca4b..0d371e7 100644
--- a/fs/ntfs/unistr.c
+++ b/fs/ntfs/unistr.c
@@ -261,7 +261,7 @@ int ntfs_nlstoucs(const ntfs_volume *vol, const char *ins,
{
struct nls_table *nls = vol->nls_map;
ntfschar *ucs;
- wchar_t wc;
+ unicode_t wc;
int i, o, wc_len;

/* We do not trust outside sources. */
@@ -271,8 +271,8 @@ int ntfs_nlstoucs(const ntfs_volume *vol, const char *ins,
for (i = o = 0; i < ins_len; i += wc_len) {
wc_len = nls->char2uni(ins + i, ins_len - i,
&wc);
- if (likely(wc_len >= 0 &&
- o < NTFS_MAX_NAME_LEN)) {
+ if (likely(wc_len >= 0 && wc <= 0xffff
+ && o < NTFS_MAX_NAME_LEN)) {
if (likely(wc)) {
ucs[o++] = cpu_to_le16(wc);
continue;
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 44b815e..9b1b2de 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -298,7 +298,7 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni,
{
int len;
unsigned i, max_val;
- uint16_t uni_char;
+ unicode_t uni_char;
int u_len;

memset(ocu, 0, sizeof(dstring) * length);
@@ -312,7 +312,7 @@ try_again:
if (!len)
continue;
/* Invalid character, deal with it */
- if (len < 0) {
+ if (len < 0 || uni_char > 0xffff) {
len = 1;
uni_char = '?';
}
diff --git a/include/linux/nls.h b/include/linux/nls.h
index 5dc635f..c0292dd 100644
--- a/include/linux/nls.h
+++ b/include/linux/nls.h
@@ -24,9 +24,9 @@ typedef u32 unicode_t;
struct nls_table {
const char *charset;
const char *alias;
- int (*uni2char) (wchar_t uni, unsigned char *out, int boundlen);
+ int (*uni2char) (unicode_t uni, unsigned char *out, int boundlen);
int (*char2uni) (const unsigned char *rawstring, int boundlen,
- wchar_t *uni);
+ unicode_t *uni);
const unsigned char *charset2lower;
const unsigned char *charset2upper;
struct module *owner;
--
1.7.10
--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko



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