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LVM2/libdm/regex matcher.c
- From: zkabelac at sourceware dot org
- To: lvm-devel at redhat dot com, lvm2-cvs at sourceware dot org
- Date: 29 Nov 2010 14:25:14 -0000
- Subject: LVM2/libdm/regex matcher.c
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac@sourceware.org 2010-11-29 14:25:14
Modified files:
libdm/regex : matcher.c
Log message:
Optimize lookup table read
Reread lookup table only when needed.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/regex/matcher.c.diff?cvsroot=lvm2&r1=1.14&r2=1.15
--- LVM2/libdm/regex/matcher.c 2010/11/29 12:43:49 1.14
+++ LVM2/libdm/regex/matcher.c 2010/11/29 14:25:13 1.15
@@ -372,11 +372,11 @@
{
struct dfa_state *ns;
- if (!cs->lookup[(unsigned char) c])
- _calc_state(m, cs, (unsigned char) c);
-
- if (!(ns = cs->lookup[(unsigned char) c]))
- return NULL;
+ if (!(ns = cs->lookup[(unsigned char) c])) {
+ _calc_state(m, cs, (unsigned char) c);
+ if (!(ns = cs->lookup[(unsigned char) c]))
+ return NULL;
+ }
// yuck, we have to special case the target trans
if (ns->final == -1)