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mbyte: replace vim_tolower with mb_tolower handling locale correctly

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Björn Linse
2017-04-08 16:45:38 +02:00
parent 3b88e37b83
commit db9ef6263e
16 changed files with 79 additions and 135 deletions
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17
src/nvim/mbyte.c
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@@ -1174,11 +1174,16 @@ int utf_fold(int a)
return utf_convert(a, foldCase, ARRAY_SIZE(foldCase));
}
// Vim's own character class functions. These exist because many library
// islower()/toupper() etc. do not work properly: they crash when used with
// invalid values or can't handle latin1 when the locale is C.
// Speed is most important here.
/*
* Return the upper-case equivalent of "a", which is a UCS-4 character. Use
* simple case folding.
*/
int utf_toupper(int a)
int mb_toupper(int a)
{
/* If 'casemap' contains "keepascii" use ASCII style toupper(). */
if (a < 128 && (cmp_flags & CMP_KEEPASCII))
@@ -1198,17 +1203,17 @@ int utf_toupper(int a)
return utf_convert(a, toUpper, ARRAY_SIZE(toUpper));
}
bool utf_islower(int a)
bool mb_islower(int a)
{
/* German sharp s is lower case but has no upper case equivalent. */
return (utf_toupper(a) != a) || a == 0xdf;
return (mb_toupper(a) != a) || a == 0xdf;
}
/*
* Return the lower-case equivalent of "a", which is a UCS-4 character. Use
* simple case folding.
*/
int utf_tolower(int a)
int mb_tolower(int a)
{
/* If 'casemap' contains "keepascii" use ASCII style tolower(). */
if (a < 128 && (cmp_flags & CMP_KEEPASCII))
@@ -1228,9 +1233,9 @@ int utf_tolower(int a)
return utf_convert(a, toLower, ARRAY_SIZE(toLower));
}
bool utf_isupper(int a)
bool mb_isupper(int a)
{
return utf_tolower(a) != a;
return mb_tolower(a) != a;
}
static int utf_strnicmp(const char_u *s1, const char_u *s2, size_t n1,