diff options
Diffstat (limited to 'src/nvim/mbyte.c')
| -rw-r--r-- | src/nvim/mbyte.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c index 460528b85f..5f5abbeac5 100644 --- a/src/nvim/mbyte.c +++ b/src/nvim/mbyte.c @@ -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, |