patch 9.0.0052: "zG" may throw an error if invalid character follows
Problem: "zG" may throw an error if invalid character follows.
Solution: Pass the word length to valid_spell_word(). (Ken Takata,
closes #10737)
diff --git a/src/spellfile.c b/src/spellfile.c
index 4a0de52..8120d75 100644
--- a/src/spellfile.c
+++ b/src/spellfile.c
@@ -4371,13 +4371,13 @@
* Control characters and trailing '/' are invalid. Space is OK.
*/
static int
-valid_spell_word(char_u *word)
+valid_spell_word(char_u *word, char_u *end)
{
char_u *p;
- if (enc_utf8 && !utf_valid_string(word, NULL))
+ if (enc_utf8 && !utf_valid_string(word, end))
return FALSE;
- for (p = word; *p != NUL; p += mb_ptr2len(p))
+ for (p = word; *p != NUL && p < end; p += mb_ptr2len(p))
if (*p < ' ' || (p[0] == '/' && p[1] == NUL))
return FALSE;
return TRUE;
@@ -4408,7 +4408,7 @@
char_u *p;
// Avoid adding illegal bytes to the word tree.
- if (!valid_spell_word(word))
+ if (!valid_spell_word(word, word + len))
return FAIL;
(void)spell_casefold(curwin, word, len, foldword, MAXWLEN);
@@ -6211,7 +6211,7 @@
int i;
char_u *spf;
- if (!valid_spell_word(word))
+ if (!valid_spell_word(word, word + len))
{
emsg(_(e_illegal_character_in_word));
return;