aboutsummaryrefslogtreecommitdiff
path: root/src/nvim/option.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/nvim/option.c')
-rw-r--r--src/nvim/option.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/src/nvim/option.c b/src/nvim/option.c
index 2ceb1bd992..659965b64c 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -1345,7 +1345,7 @@ int do_set(char_u *arg, int opt_flags)
if (nextchar == '&') { // set to default val
newval = options[opt_idx].def_val;
- // expand environment variables and ~ (since the
+ // expand environment variables and ~ since the
// default value was already expanded, only
// required when an environment variable was set
// later
@@ -2991,7 +2991,7 @@ ambw_end:
}
} else if (varp == &curwin->w_p_fdc || varp == &curwin->w_allbuf_opt.wo_fdc) {
// 'foldcolumn'
- if (check_opt_strings(*varp, p_fdc_values, false) != OK) {
+ if (**varp == NUL || check_opt_strings(*varp, p_fdc_values, false) != OK) {
errmsg = e_invarg;
}
} else if (varp == &p_pt) {
@@ -3370,6 +3370,9 @@ static int int_cmp(const void *a, const void *b)
/// @return OK when the value is valid, FAIL otherwise
int check_signcolumn(char_u *val)
{
+ if (*val == NUL) {
+ return FAIL;
+ }
// check for basic match
if (check_opt_strings(val, p_scl_values, false) == OK) {
return OK;
@@ -3610,7 +3613,7 @@ static char *set_chars_option(win_T *wp, char_u **varp, bool set)
c2 = c3 = 0;
s = p + len + 1;
c1 = get_encoded_char_adv(&s);
- if (c1 == 0 || utf_char2cells(c1) > 1) {
+ if (c1 == 0 || char2cells(c1) > 1) {
return e_invarg;
}
if (tab[i].cp == &wp->w_p_lcs_chars.tab2) {
@@ -3618,12 +3621,12 @@ static char *set_chars_option(win_T *wp, char_u **varp, bool set)
return e_invarg;
}
c2 = get_encoded_char_adv(&s);
- if (c2 == 0 || utf_char2cells(c2) > 1) {
+ if (c2 == 0 || char2cells(c2) > 1) {
return e_invarg;
}
if (!(*s == ',' || *s == NUL)) {
c3 = get_encoded_char_adv(&s);
- if (c3 == 0 || utf_char2cells(c3) > 1) {
+ if (c3 == 0 || char2cells(c3) > 1) {
return e_invarg;
}
}
@@ -3657,7 +3660,7 @@ static char *set_chars_option(win_T *wp, char_u **varp, bool set)
multispace_len = 0;
while (*s != NUL && *s != ',') {
c1 = get_encoded_char_adv(&s);
- if (c1 == 0 || utf_char2cells(c1) > 1) {
+ if (c1 == 0 || char2cells(c1) > 1) {
return e_invarg;
}
multispace_len++;
@@ -4129,7 +4132,7 @@ static char *set_bool_option(const int opt_idx, char_u *const varp, const int va
}
}
- // Arabic requires a utf-8 encoding, inform the user if its not
+ // Arabic requires a utf-8 encoding, inform the user if it's not
// set.
if (STRCMP(p_enc, "utf-8") != 0) {
static char *w_arabic = N_("W17: Arabic requires UTF-8, do ':set encoding=utf-8'");
@@ -5059,6 +5062,9 @@ int get_option_value_strict(char *name, int64_t *numval, char **stringval, int o
/// @param[in] number New value for the number or boolean option.
/// @param[in] string New value for string option.
/// @param[in] opt_flags Flags: OPT_LOCAL, OPT_GLOBAL, or 0 (both).
+/// If OPT_CLEAR is set, the value of the option
+/// is cleared (the exact semantics of this depend
+/// on the option).
///
/// @return NULL on success, error message on error.
char *set_option_value(const char *const name, const long number, const char *const string,
@@ -5084,7 +5090,7 @@ char *set_option_value(const char *const name, const long number, const char *co
}
if (flags & P_STRING) {
const char *s = string;
- if (s == NULL) {
+ if (s == NULL || opt_flags & OPT_CLEAR) {
s = "";
}
return set_string_option(opt_idx, s, opt_flags);
@@ -5106,10 +5112,23 @@ char *set_option_value(const char *const name, const long number, const char *co
return NULL; // do nothing as we hit an error
}
}
+ long numval = number;
+ if (opt_flags & OPT_CLEAR) {
+ if ((int *)varp == &curbuf->b_p_ar) {
+ numval = -1;
+ } else if ((long *)varp == &curbuf->b_p_ul) {
+ numval = NO_LOCAL_UNDOLEVEL;
+ } else if ((long *)varp == &curwin->w_p_so || (long *)varp == &curwin->w_p_siso) {
+ numval = -1;
+ } else {
+ char *s = NULL;
+ (void)get_option_value(name, &numval, (char_u **)&s, OPT_GLOBAL);
+ }
+ }
if (flags & P_NUM) {
- return set_num_option(opt_idx, varp, number, NULL, 0, opt_flags);
+ return set_num_option(opt_idx, varp, numval, NULL, 0, opt_flags);
} else {
- return set_bool_option(opt_idx, varp, (int)number, opt_flags);
+ return set_bool_option(opt_idx, varp, (int)numval, opt_flags);
}
}
}