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vim-patch:9.0.0052: "zG" may throw an error if invalid character follows (#19368)

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Problem:    "zG" may throw an error if invalid character follows.
Solution:   Pass the word length to valid_spell_word(). (Ken Takata,
            closes vim/vim#10737)
2ebcc35826
This commit is contained in:
zeertzjq
2022-07-15 08:42:36 +08:00
committed by GitHub
parent 75ad050919
commit 072fb55cb0
2 changed files with 15 additions and 5 deletions
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10
src/nvim/spellfile.c
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@@ -3905,12 +3905,12 @@ static wordnode_T *wordtree_alloc(spellinfo_T *spin)
/// Return true if "word" contains valid word characters.
/// Control characters and trailing '/' are invalid. Space is OK.
static bool valid_spell_word(const char_u *word)
static bool valid_spell_word(const char_u *word, const char_u *end)
{
if (!utf_valid_string(word, NULL)) {
if (!utf_valid_string(word, end)) {
return false;
}
for (const char_u *p = word; *p != NUL; p += utfc_ptr2len((const char *)p)) {
for (const char_u *p = word; *p != NUL && p < end; p += utfc_ptr2len((const char *)p)) {
if (*p < ' ' || (p[0] == '/' && p[1] == NUL)) {
return false;
}
@@ -3939,7 +3939,7 @@ static int store_word(spellinfo_T *spin, char_u *word, int flags, int region, co
int res = OK;
// Avoid adding illegal bytes to the word tree.
if (!valid_spell_word(word)) {
if (!valid_spell_word(word, word + len)) {
return FAIL;
}
@@ -5536,7 +5536,7 @@ void spell_add_word(char_u *word, int len, SpellAddType what, int idx, bool undo
int i;
char_u *spf;
if (!valid_spell_word(word)) {
if (!valid_spell_word(word, word + len)) {
emsg(_(e_illegal_character_in_word));
return;
}