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fix(options): increase t_Co buffer size (#35859)

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(cherry picked from commit c2136e3590)
This commit is contained in:
zeertzjq
2025-09-21 12:12:37 +08:00
committed by github-actions[bot]
parent 8e00534b1e
commit c84ba83cf1
2 changed files with 8 additions and 5 deletions
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6
src/nvim/option.c
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@@ -2989,8 +2989,6 @@ bool is_tty_option(const char *name)
return find_tty_option_end(name) != NULL; return find_tty_option_end(name) != NULL;
} }
#define TCO_BUFFER_SIZE 8
/// Get value of TTY option. /// Get value of TTY option.
/// ///
/// @param name Name of TTY option. /// @param name Name of TTY option.
@@ -3004,8 +3002,8 @@ OptVal get_tty_option(const char *name)
if (t_colors <= 1) { if (t_colors <= 1) {
value = xstrdup(""); value = xstrdup("");
} else { } else {
value = xmalloc(TCO_BUFFER_SIZE); value = xmalloc(NUMBUFLEN);
snprintf(value, TCO_BUFFER_SIZE, "%d", t_colors); snprintf(value, NUMBUFLEN, "%d", t_colors);
} }
} else if (strequal(name, "term")) { } else if (strequal(name, "term")) {
value = p_term ? xstrdup(p_term) : xstrdup("nvim"); value = p_term ? xstrdup(p_term) : xstrdup("nvim");

7
test/functional/ui/options_spec.lua
View File

@@ -228,7 +228,12 @@ describe('UI can set terminal option', function()
it('term_colors', function() it('term_colors', function()
eq('256', eval '&t_Co') eq('256', eval '&t_Co')
local _ = Screen.new(20, 5, { term_colors = 8 }) local screen = Screen.new(20, 5, { term_colors = 8 })
eq('8', eval '&t_Co') eq('8', eval '&t_Co')
screen:detach()
screen = Screen.new(20, 5, { term_colors = 16777216 })
eq('16777216', eval '&t_Co')
screen:detach()
end) end)
end) end)