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-rw-r--r--fs/hfsplus/unicode.c72
1 files changed, 42 insertions, 30 deletions
diff --git a/fs/hfsplus/unicode.c b/fs/hfsplus/unicode.c
index 628ccf6fa402..a3f0bfcc881e 100644
--- a/fs/hfsplus/unicode.c
+++ b/fs/hfsplus/unicode.c
@@ -17,14 +17,14 @@
/* Returns folded char, or 0 if ignorable */
static inline u16 case_fold(u16 c)
{
- u16 tmp;
-
- tmp = hfsplus_case_fold_table[c >> 8];
- if (tmp)
- tmp = hfsplus_case_fold_table[tmp + (c & 0xff)];
- else
- tmp = c;
- return tmp;
+ u16 tmp;
+
+ tmp = hfsplus_case_fold_table[c >> 8];
+ if (tmp)
+ tmp = hfsplus_case_fold_table[tmp + (c & 0xff)];
+ else
+ tmp = c;
+ return tmp;
}
/* Compare unicode strings, return values like normal strcmp */
@@ -118,10 +118,12 @@ static u16 *hfsplus_compose_lookup(u16 *p, u16 cc)
return NULL;
}
-int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, char *astr, int *len_p)
+int hfsplus_uni2asc(struct super_block *sb,
+ const struct hfsplus_unistr *ustr,
+ char *astr, int *len_p)
{
const hfsplus_unichr *ip;
- struct nls_table *nls = HFSPLUS_SB(sb).nls;
+ struct nls_table *nls = HFSPLUS_SB(sb)->nls;
u8 *op;
u16 cc, c0, c1;
u16 *ce1, *ce2;
@@ -132,7 +134,7 @@ int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, c
ustrlen = be16_to_cpu(ustr->length);
len = *len_p;
ce1 = NULL;
- compose = !(HFSPLUS_SB(sb).flags & HFSPLUS_SB_NODECOMPOSE);
+ compose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
while (ustrlen > 0) {
c0 = be16_to_cpu(*ip++);
@@ -171,7 +173,8 @@ int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, c
goto same;
c1 = be16_to_cpu(*ip);
if (likely(compose))
- ce1 = hfsplus_compose_lookup(hfsplus_compose_table, c1);
+ ce1 = hfsplus_compose_lookup(
+ hfsplus_compose_table, c1);
if (ce1)
break;
switch (c0) {
@@ -199,7 +202,8 @@ int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, c
if (ce2) {
i = 1;
while (i < ustrlen) {
- ce1 = hfsplus_compose_lookup(ce2, be16_to_cpu(ip[i]));
+ ce1 = hfsplus_compose_lookup(ce2,
+ be16_to_cpu(ip[i]));
if (!ce1)
break;
i++;
@@ -211,7 +215,7 @@ int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, c
goto done;
}
}
- same:
+same:
switch (c0) {
case 0:
cc = 0x2400;
@@ -222,7 +226,7 @@ int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, c
default:
cc = c0;
}
- done:
+done:
res = nls->uni2char(cc, op, len);
if (res < 0) {
if (res == -ENAMETOOLONG)
@@ -246,7 +250,7 @@ out:
static inline int asc2unichar(struct super_block *sb, const char *astr, int len,
wchar_t *uc)
{
- int size = HFSPLUS_SB(sb).nls->char2uni(astr, len, uc);
+ int size = HFSPLUS_SB(sb)->nls->char2uni(astr, len, uc);
if (size <= 0) {
*uc = '?';
size = 1;
@@ -293,7 +297,7 @@ int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr,
u16 *dstr, outlen = 0;
wchar_t c;
- decompose = !(HFSPLUS_SB(sb).flags & HFSPLUS_SB_NODECOMPOSE);
+ decompose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
while (outlen < HFSPLUS_MAX_STRLEN && len > 0) {
size = asc2unichar(sb, astr, len, &c);
@@ -320,7 +324,8 @@ int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr,
* Composed unicode characters are decomposed and case-folding is performed
* if the appropriate bits are (un)set on the superblock.
*/
-int hfsplus_hash_dentry(struct dentry *dentry, struct qstr *str)
+int hfsplus_hash_dentry(const struct dentry *dentry, const struct inode *inode,
+ struct qstr *str)
{
struct super_block *sb = dentry->d_sb;
const char *astr;
@@ -330,8 +335,8 @@ int hfsplus_hash_dentry(struct dentry *dentry, struct qstr *str)
wchar_t c;
u16 c2;
- casefold = (HFSPLUS_SB(sb).flags & HFSPLUS_SB_CASEFOLD);
- decompose = !(HFSPLUS_SB(sb).flags & HFSPLUS_SB_NODECOMPOSE);
+ casefold = test_bit(HFSPLUS_SB_CASEFOLD, &HFSPLUS_SB(sb)->flags);
+ decompose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
hash = init_name_hash();
astr = str->name;
len = str->len;
@@ -363,9 +368,12 @@ int hfsplus_hash_dentry(struct dentry *dentry, struct qstr *str)
* Composed unicode characters are decomposed and case-folding is performed
* if the appropriate bits are (un)set on the superblock.
*/
-int hfsplus_compare_dentry(struct dentry *dentry, struct qstr *s1, struct qstr *s2)
+int hfsplus_compare_dentry(const struct dentry *parent,
+ const struct inode *pinode,
+ const struct dentry *dentry, const struct inode *inode,
+ unsigned int len, const char *str, const struct qstr *name)
{
- struct super_block *sb = dentry->d_sb;
+ struct super_block *sb = parent->d_sb;
int casefold, decompose, size;
int dsize1, dsize2, len1, len2;
const u16 *dstr1, *dstr2;
@@ -373,12 +381,12 @@ int hfsplus_compare_dentry(struct dentry *dentry, struct qstr *s1, struct qstr *
u16 c1, c2;
wchar_t c;
- casefold = (HFSPLUS_SB(sb).flags & HFSPLUS_SB_CASEFOLD);
- decompose = !(HFSPLUS_SB(sb).flags & HFSPLUS_SB_NODECOMPOSE);
- astr1 = s1->name;
- len1 = s1->len;
- astr2 = s2->name;
- len2 = s2->len;
+ casefold = test_bit(HFSPLUS_SB_CASEFOLD, &HFSPLUS_SB(sb)->flags);
+ decompose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);
+ astr1 = str;
+ len1 = len;
+ astr2 = name->name;
+ len2 = name->len;
dsize1 = dsize2 = 0;
dstr1 = dstr2 = NULL;
@@ -388,7 +396,9 @@ int hfsplus_compare_dentry(struct dentry *dentry, struct qstr *s1, struct qstr *
astr1 += size;
len1 -= size;
- if (!decompose || !(dstr1 = decompose_unichar(c, &dsize1))) {
+ if (decompose)
+ dstr1 = decompose_unichar(c, &dsize1);
+ if (!decompose || !dstr1) {
c1 = c;
dstr1 = &c1;
dsize1 = 1;
@@ -400,7 +410,9 @@ int hfsplus_compare_dentry(struct dentry *dentry, struct qstr *s1, struct qstr *
astr2 += size;
len2 -= size;
- if (!decompose || !(dstr2 = decompose_unichar(c, &dsize2))) {
+ if (decompose)
+ dstr2 = decompose_unichar(c, &dsize2);
+ if (!decompose || !dstr2) {
c2 = c;
dstr2 = &c2;
dsize2 = 1;
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