3 tiny changes: plug obvious leak; tiny sync w/gawk; trailing space

[Jim Meyering]

I've just pushed these:

>From b75dd4e9ffd42ec32f80f4d978c5e53dc6e7466e Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Tue, 9 Mar 2010 15:02:41 +0100
Subject: [PATCH 1/3] dfa: avoid a leak (work_mbc->chars)

* src/dfa.c (parse_bracket_exp_mb): Remove useless (and leaked MALLOC).
---
 src/dfa.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/src/dfa.c b/src/dfa.c
index 3122e22..90f88f5 100644
--- a/src/dfa.c
+++ b/src/dfa.c
@@ -498,7 +498,6 @@ parse_bracket_exp_mb (void)
   chars_al = 1;
   range_sts_al = range_ends_al = 0;
   ch_classes_al = equivs_al = coll_elems_al = 0;
-  MALLOC(work_mbc->chars, wchar_t, chars_al);

   work_mbc->nchars = work_mbc->nranges = work_mbc->nch_classes = 0;
   work_mbc->nequivs = work_mbc->ncoll_elems = 0;
--
1.7.0.2.329.gdaec6


>From 9a66765d2debd8de60484d335d607c79e9560c10 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Tue, 9 Mar 2010 15:05:37 +0100
Subject: [PATCH 2/3] dfa: sync a tiny change from gawk

* src/dfa.c (state_index) [MBS_SUPPORT]: Initialize .mpbs.nelem member
unconditionally.  Also initialize .mbps.elems.
---
 src/dfa.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/dfa.c b/src/dfa.c
index 90f88f5..4940997 100644
--- a/src/dfa.c
+++ b/src/dfa.c
@@ -1569,8 +1569,8 @@ state_index (struct dfa *d, position_set const *s, int 
newline, int letter)
   d->states[i].constraint = 0;
   d->states[i].first_end = 0;
 #ifdef MBS_SUPPORT
-  if (MB_CUR_MAX > 1)
-    d->states[i].mbps.nelem = 0;
+  d->states[i].mbps.nelem = 0;
+  d->states[i].mbps.elems = NULL;
 #endif
   for (j = 0; j < s->nelem; ++j)
     if (d->tokens[s->elems[j].index] < 0)
--
1.7.0.2.329.gdaec6


>From e7ac1655abb37764bb0c1ff84c6a57efef24743a Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Tue, 9 Mar 2010 15:06:33 +0100
Subject: [PATCH 3/3] dfa: remove a trailing blank

* src/dfa.c (dfaexec): No trailing blanks allowed.
---
 src/dfa.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/dfa.c b/src/dfa.c
index 4940997..2567bc2 100644
--- a/src/dfa.c
+++ b/src/dfa.c
@@ -2932,7 +2932,7 @@ dfaexec (struct dfa *d, char const *begin, size_t size, 
int *backref)
                   continue;
                 }

-              /* Can match with a multibyte character (and multicharacter 
+              /* Can match with a multibyte character (and multicharacter
                  collating element).  Transition table might be updated.  */
               s = transit_state(d, s, &p);
               trans = d->trans;
--
1.7.0.2.329.gdaec6