>From 7724587328b45de16a9c7e45eba03acc51767a19 Mon Sep 17 00:00:00 2001
From: Zev Weiss <address@hidden>
Date: Sat, 20 Aug 2016 20:01:43 -0500
Subject: [PATCH] dfa: constify some function parameters

* src/dfa.c (char_context): Mark dfa parameter const.
(charclass_context): Likewise.
---
 src/dfa.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/dfa.c b/src/dfa.c
index 33b3cd0..4e2fe61 100644
--- a/src/dfa.c
+++ b/src/dfa.c
@@ -748,7 +748,7 @@ unibyte_word_constituent (unsigned char c)
 }
 
 static int
-char_context (struct dfa *dfa, unsigned char c)
+char_context (struct dfa const *dfa, unsigned char c)
 {
   if (c == dfa->syntax.eolbyte)
     return CTX_NEWLINE;
@@ -2291,7 +2291,7 @@ epsclosure (position_set *s, struct dfa const *d, char *visited)
    character included in C.  */
 
 static int
-charclass_context (struct dfa *dfa, charclass c)
+charclass_context (struct dfa const *dfa, charclass c)
 {
   int context = 0;
   unsigned int j;
-- 
2.8.1