[PATCH 2/4] dfa: minor performance tweak

[Paul Eggert]

* lib/dfa.c (setbit_wc): Test < 0, not == EOF.
---
 ChangeLog | 3 +++
 lib/dfa.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 27ee040..6d37212 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2016-12-30  Paul Eggert  <address@hidden>
 
+       dfa: minor performance tweak
+       * lib/dfa.c (setbit_wc): Test < 0, not == EOF.
+
        dfa: wrap charclass inside a struct
        On my platform (gcc Ubuntu 5.4.0-6ubuntu1~16.04.4 x86-64,
        en_US.utf8 locale) this makes 'grep -Fi -f list.txt list.txt >out'
diff --git a/lib/dfa.c b/lib/dfa.c
index a4ccf8c..cdc4787 100644
--- a/lib/dfa.c
+++ b/lib/dfa.c
@@ -851,7 +851,7 @@ static bool
 setbit_wc (wint_t wc, charclass *c)
 {
   int b = wctob (wc);
-  if (b == EOF)
+  if (b < 0)
     return false;
 
   setbit (b, c);
-- 
2.7.4