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exfat: Remove unused functions exfat_high_surrogate() and exfat_low_surrogate()

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After applying previous two patches, these functions are not used anymore.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
This commit is contained in:
Pali Rohár 2020-04-16 09:41:16 +09:00 committed by Namjae Jeon
parent 233b4ba5ab
commit d2424acd1d
2 changed files with 0 additions and 15 deletions
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2
exfat_fs.h
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@ -499,8 +499,6 @@ int exfat_nls_to_utf16(struct super_block *sb,
struct exfat_uni_name *uniname, int *p_lossy);
int exfat_create_upcase_table(struct super_block *sb);
void exfat_free_upcase_table(struct exfat_sb_info *sbi);
unsigned short exfat_high_surrogate(unicode_t u);
unsigned short exfat_low_surrogate(unicode_t u);
/* exfat/misc.c */
void __exfat_fs_error(struct super_block *sb, int report, const char *fmt, ...)

13
nls.c
View File

@ -535,22 +535,9 @@ static int exfat_utf8_to_utf16(struct super_block *sb,
return unilen;
}
#define PLANE_SIZE 0x00010000
#define SURROGATE_MASK 0xfffff800
#define SURROGATE_PAIR 0x0000d800
#define SURROGATE_LOW 0x00000400
#define SURROGATE_BITS 0x000003ff
unsigned short exfat_high_surrogate(unicode_t u)
{
return ((u - PLANE_SIZE) >> 10) + SURROGATE_PAIR;
}
unsigned short exfat_low_surrogate(unicode_t u)
{
return ((u - PLANE_SIZE) & SURROGATE_BITS) | SURROGATE_PAIR |
SURROGATE_LOW;
}
static int __exfat_utf16_to_nls(struct super_block *sb,
struct exfat_uni_name *p_uniname, unsigned char *p_cstring,