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fix(coverity/530826): validate_opt_idx unchecked negative idx (#32081)

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Problem:
opt_idx possible negative value used as index

Solution:
check opt_idx not less than zero (kOptInvalid)
This commit is contained in:
Devon Gardner 2025-01-18 19:49:53 -05:00 committed by GitHub
parent a5b1b83a26
commit 71507281fb
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GPG Key ID: B5690EEEBB952194
1 changed files with 3 additions and 3 deletions
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6
src/nvim/option.c
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@ -980,12 +980,12 @@ static int validate_opt_idx(win_T *win, OptIndex opt_idx, int opt_flags, uint32_
// Skip all options that are not window-local (used when showing
// an already loaded buffer in a window).
if ((opt_flags & OPT_WINONLY) && (opt_idx == kOptInvalid || !option_is_window_local(opt_idx))) {
if ((opt_flags & OPT_WINONLY) && !option_is_window_local(opt_idx)) {
return FAIL;
}
// Skip all options that are window-local (used for :vimgrep).
if ((opt_flags & OPT_NOWIN) && opt_idx != kOptInvalid && option_is_window_local(opt_idx)) {
if ((opt_flags & OPT_NOWIN) && option_is_window_local(opt_idx)) {
return FAIL;
}
@ -3267,7 +3267,7 @@ bool is_option_hidden(OptIndex opt_idx)
/// Check if option supports a specific type.
bool option_has_type(OptIndex opt_idx, OptValType type)
{
return options[opt_idx].type == type;
return opt_idx != kOptInvalid && options[opt_idx].type == type;
}
/// Check if option supports a specific scope.