Clean up roff_getstrn() function.

diff --git a/roff.c b/roff.c
index 129a90efb116fa21f5b6309c8046c747abdfaefb..68b5a4235d78a5cd221d73f189d64e88870d1401 100644 (file)
--- a/roff.c
+++ b/roff.c
@@ -1,4 +1,4 @@
-/*     $Id: roff.c,v 1.156 2011/07/27 12:41:02 kristaps Exp $ */
+/*     $Id: roff.c,v 1.157 2011/07/27 13:42:27 kristaps Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -1519,11 +1519,12 @@ roff_getstrn(const struct roff *r, const char *name, size_t len)
 {
        const struct roffstr *n;
 
-       n = r->first_string;
-       while (n && (strncmp(name, n->name, len) || '\0' != n->name[(int)len]))
-               n = n->next;
+       for (n = r->first_string; n; n = n->next)
+               if (0 == strncmp(name, n->name, len) && 
+                               '\0' == n->name[(int)len])
+                       return(n->string);
 
-       return(n ? n->string : NULL);
+       return(NULL);
 }
 
 static void