Patch 7.1.051
Problem: Accessing uninitialized memory when finding spell suggestions.
Solution: Don't try swapping characters at the end of a word.
Files: src/spell.c
*** ../vim-7.1.050/src/spell.c Tue Jul 24 10:44:10 2007
--- src/spell.c Sun Aug 5 16:59:48 2007
***************
*** 12182,12188 ****
{
n = mb_cptr2len(p);
c = mb_ptr2char(p);
! if (!soundfold && !spell_iswordp(p + n, curbuf))
c2 = c; /* don't swap non-word char */
else
c2 = mb_ptr2char(p + n);
--- 12182,12190 ----
{
n = mb_cptr2len(p);
c = mb_ptr2char(p);
! if (p[n] == NUL)
! c2 = NUL;
! else if (!soundfold && !spell_iswordp(p + n, curbuf))
c2 = c; /* don't swap non-word char */
else
c2 = mb_ptr2char(p + n);
***************
*** 12190,12199 ****
else
#endif
{
! if (!soundfold && !spell_iswordp(p + 1, curbuf))
c2 = c; /* don't swap non-word char */
else
c2 = p[1];
}
/* When characters are identical, swap won't do anything.
--- 12192,12210 ----
else
#endif
{
! if (p[1] == NUL)
! c2 = NUL;
! else if (!soundfold && !spell_iswordp(p + 1, curbuf))
c2 = c; /* don't swap non-word char */
else
c2 = p[1];
+ }
+
+ /* When the second character is NUL we can't swap. */
+ if (c2 == NUL)
+ {
+ sp->ts_state = STATE_REP_INI;
+ break;
}
/* When characters are identical, swap won't do anything.
*** ../vim-7.1.050/src/version.c Sat Aug 4 12:14:04 2007
--- src/version.c Sun Aug 5 18:31:09 2007
***************
*** 668,669 ****
--- 668,671 ----
{ /* Add new patch number below this line */
+ /**/
+ 51,
/**/
--
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