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fix(charclass): make behavior with empty str match latest Vim (#19749)

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Later Vim patches changed to return 0 for empty string and null string.
Also update setcellwidth() docs to match latest Vim.
This commit is contained in:
zeertzjq
2022-08-13 12:25:01 +08:00
committed by GitHub
parent 754892e59d
commit 1de62b9ea1
3 changed files with 8 additions and 7 deletions
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6
src/nvim/mbyte.c
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@@ -2861,10 +2861,8 @@ void f_setcellwidths(typval_T *argvars, typval_T *rettv, FunPtr fptr)
void f_charclass(typval_T *argvars, typval_T *rettv, FunPtr fptr)
{
if (argvars[0].v_type != VAR_STRING
|| argvars[0].vval.v_string == NULL
|| *argvars[0].vval.v_string == NUL) {
emsg(_(e_stringreq));
if (tv_check_for_string(&argvars[0]) == FAIL
|| argvars[0].vval.v_string == NULL) {
return;
}
rettv->vval.v_number = mb_get_class((const char_u *)argvars[0].vval.v_string);