Patch 7.4.104
Problem: ":help s/\_" reports an internal error. (John Beckett)
Solution: Check for NUL and invalid character classes.
Files: src/regexp_nfa.c
*** ../vim-7.4.103/src/regexp_nfa.c 2013-11-21 16:03:35.000000000 +0100
--- src/regexp_nfa.c 2013-11-28 14:05:34.000000000 +0100
***************
*** 239,245 ****
--- 239,247 ----
NFA_UPPER, NFA_NUPPER
};
+ static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered
prematurely");
static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c");
+ static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character
class: %ld");
/* NFA regexp \ze operator encountered. */
static int nfa_has_zend;
***************
*** 1137,1143 ****
switch (c)
{
case NUL:
! EMSG_RET_FAIL(_("E865: (NFA) Regexp end encountered prematurely"));
case Magic('^'):
EMIT(NFA_BOL);
--- 1139,1145 ----
switch (c)
{
case NUL:
! EMSG_RET_FAIL(_(e_nul_found));
case Magic('^'):
EMIT(NFA_BOL);
***************
*** 1160,1165 ****
--- 1162,1170 ----
case Magic('_'):
c = no_Magic(getchr());
+ if (c == NUL)
+ EMSG_RET_FAIL(_(e_nul_found));
+
if (c == '^') /* "\_^" is start-of-line */
{
EMIT(NFA_BOL);
***************
*** 1216,1221 ****
--- 1221,1232 ----
p = vim_strchr(classchars, no_Magic(c));
if (p == NULL)
{
+ if (extra == NFA_ADD_NL)
+ {
+ EMSGN(_(e_ill_char_class), c);
+ rc_did_emsg = TRUE;
+ return FAIL;
+ }
EMSGN("INTERNAL: Unknown character class char: %ld", c);
return FAIL;
}
***************
*** 4733,4739 ****
default:
/* should not be here :P */
! EMSGN("E877: (NFA regexp) Invalid character class: %ld", class);
return FAIL;
}
return FAIL;
--- 4744,4750 ----
default:
/* should not be here :P */
! EMSGN(_(e_ill_char_class), class);
return FAIL;
}
return FAIL;
*** ../vim-7.4.103/src/version.c 2013-11-21 18:13:26.000000000 +0100
--- src/version.c 2013-11-28 14:06:59.000000000 +0100
***************
*** 740,741 ****
--- 740,743 ----
{ /* Add new patch number below this line */
+ /**/
+ 104,
/**/
--
Everybody wants to go to heaven, but nobody wants to die.
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
--
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