From: Carl Worth <cworth@cworth.org>
Date: Mon, 26 Sep 2011 00:58:38 +0000 (-0700)
Subject: Eliminate some compiler warnings.
X-Git-Url: https://git.cworth.org/git?p=mnemon;a=commitdiff_plain;h=f525171a603949f03a26727416556ebc69fed0b3;hp=10d0f1e757ef8c22bf8c1d921b624296a25ab238

Eliminate some compiler warnings.

Such as comparison between signed and unsigned integers and an unused
parameter.
---

diff --git a/mnemon.c b/mnemon.c
index 7f0526d..5fa8ac9 100644
--- a/mnemon.c
+++ b/mnemon.c
@@ -42,6 +42,8 @@ do {					\
     assert (NOT_REACHED);		\
 } while (0)
 
+#define unused(foo) foo __attribute__((unused))
+
 typedef int bool_t;
 
 typedef struct _item {
@@ -916,7 +918,7 @@ mnemon_item_in_category_of_length (void *closure, item_t *item)
     item_in_category_of_length_closure_t *iicolc = closure;
     mnemon_t *mnemon = iicolc->mnemon;
     category_t *category = iicolc->category;
-    int length = iicolc->length;
+    unsigned int length = iicolc->length;
 
     if (mnemon_item_category (mnemon, item) != category)
 	return 0;
@@ -1236,7 +1238,8 @@ mnemon_show_challenge (mnemon_t *mnemon,
 }
 
 static void
-mnemon_hide_challenge (mnemon_t *mnemon, challenge_type_t challenge_type)
+mnemon_hide_challenge (unused (mnemon_t *mnemon),
+		       challenge_type_t challenge_type)
 {
     char * command;