X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/1691e80890e5d8ba258c51c214a3e91880e1db2b..94187a80bd60baab4b9c4b949ad820d730578123:/sbr/smatch.c

diff --git a/sbr/smatch.c b/sbr/smatch.c
index 54ff550e..802e4da0 100644
--- a/sbr/smatch.c
+++ b/sbr/smatch.c
@@ -1,19 +1,19 @@
-
-/*
- * smatch.c -- match a switch (option)
+/* smatch.c -- match a switch (option)
  *
- * $Id$
+ * This code is Copyright (c) 2002, by the authors of nmh.  See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
  */
 
 #include <h/mh.h>
 
 
 int
-smatch(char *string, struct swit *swp)
+smatch(const char *string, const struct swit *swp)
 {
-    char *sp, *tcp;
+    const char *sp, *tcp;
     int firstone, len;
-    struct swit *tp;
+    const struct swit *tp;
 
     firstone = UNKWNSW;
 
@@ -27,19 +27,19 @@ smatch(char *string, struct swit *swp)
 	    continue;			/* no match */
 	for (sp = string; *sp == *tcp++;) {
 	    if (*sp++ == '\0')
-		return (tp - swp);	/* exact match */
+		return tp->swret;	/* exact match */
 	}
 	if (*sp) {
 	    if (*sp != ' ')
 		continue;		/* no match */
 	    if (*--tcp == '\0')
-		return (tp - swp);	/* exact match */
+		return tp->swret;	/* exact match */
 	}
 	if (firstone == UNKWNSW)
-	    firstone = tp - swp;
+	    firstone = tp->swret;
 	else
 	    firstone = AMBIGSW;
     }
 
-    return (firstone);
+    return firstone;
 }