Mercurial > vim
diff src/regexp_nfa.c @ 5029:c9e2ccc53f2e v7.3.1258
updated for version 7.3.1258
Problem: Using submatch() may crash Vim. (Ingo Karkat)
Solution: Restore the number of subexpressions used.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Fri, 28 Jun 2013 23:04:42 +0200 |
| parents | f451d60ab8ec |
| children | a00cd1839ac4 |
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--- a/src/regexp_nfa.c +++ b/src/regexp_nfa.c @@ -5198,6 +5198,8 @@ nfa_regmatch(prog, start, submatch, m) || t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST || t->state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST) { + int in_use = m->norm.in_use; + /* Copy submatch info for the recursive call, so that * \1 can be matched. */ copy_sub_off(&m->norm, &t->subs.norm); @@ -5231,6 +5233,7 @@ nfa_regmatch(prog, start, submatch, m) add_here = TRUE; add_state = t->state->out1->out; } + m->norm.in_use = in_use; } else {