Fix 'unused-but-set-variable' warnings (doom, lua)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30008 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 7 insertions, 13 deletions

diff --git a/apps/plugins/doom/rockdoom.c b/apps/plugins/doom/rockdoom.c
index 6ce0e6d38d..1c2777a8ad 100644
--- a/apps/plugins/doom/rockdoom.c
+++ b/apps/plugins/doom/rockdoom.c
@@ -114,12 +114,11 @@ int printf(const char *fmt, ...)
 {
    static int p_xtpt;
    char p_buf[50];
-   bool ok;
    rb->yield();
    va_list ap;
 
    va_start(ap, fmt);
-   ok = vsnprintf(p_buf,sizeof(p_buf), fmt, ap);
+   vsnprintf(p_buf,sizeof(p_buf), fmt, ap);
    va_end(ap);
 
    rb->lcd_putsxy(1,p_xtpt, (unsigned char *)p_buf);
diff --git a/apps/plugins/lua/malloc.c b/apps/plugins/lua/malloc.c
index e96497e4bb..6af2998549 100644
--- a/apps/plugins/lua/malloc.c
+++ b/apps/plugins/lua/malloc.c
@@ -2823,16 +2823,10 @@ static struct mallinfo internal_mallinfo(mstate m) {
 
 static void internal_malloc_stats(mstate m) {
   if (!PREACTION(m)) {
-    size_t maxfp = 0;
-    size_t fp = 0;
-    size_t used = 0;
     check_malloc_state(m);
     if (is_initialized(m)) {
       msegmentptr s = &m->seg;
-      maxfp = m->max_footprint;
-      fp = m->footprint;
-      used = fp - (m->topsize + TOP_FOOT_SIZE);
-
+      size_t used = m->footprint - (m->topsize + TOP_FOOT_SIZE);
       while (s != 0) {
         mchunkptr q = align_as_chunk(s->base);
         while (segment_holds(s, q) &&
@@ -2843,12 +2837,13 @@ static void internal_malloc_stats(mstate m) {
         }
         s = s->next;
       }
+      DEBUGF("max system bytes = %10zu\n", m->max_footprint);
+      DEBUGF("system bytes     = %10zu\n", m->footprint);
+      DEBUGF("in use bytes     = %10zu\n", used);
+    } else {
+      DEBUGF("malloc not initialized\n");
     }
 
-    DEBUGF("max system bytes = %10lu\n", (unsigned long)(maxfp));
-    DEBUGF("system bytes     = %10lu\n", (unsigned long)(fp));
-    DEBUGF("in use bytes     = %10lu\n", (unsigned long)(used));
-
     POSTACTION(m);
   }
 }