Fix several 'variable set but not used' warnings reported by GCC 6.4.1.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29871 a1c6a512-1295-4272-9138-f99709370657

13 files changed, 51 insertions, 42 deletions

diff --git a/apps/plugins/pdbox/PDa/extra/gcanvas.c b/apps/plugins/pdbox/PDa/extra/gcanvas.c
index 99f5d3de71..1d40fd207e 100644
--- a/apps/plugins/pdbox/PDa/extra/gcanvas.c
+++ b/apps/plugins/pdbox/PDa/extra/gcanvas.c
@@ -135,7 +135,7 @@ void gcanvas_drawme(t_gcanvas *x, t_glist *glist, int firsttime)
                     x->x_obj.te_ypix + x->x_height*i/x->x_ygrid,
                     x->x_width, 0);                    
      }
-     
+#ifndef ROCKBOX
      {
        /* outlets */
           int n = 3;
@@ -143,7 +143,6 @@ void gcanvas_drawme(t_gcanvas *x, t_glist *glist, int firsttime)
           nplus = (n == 1 ? 1 : n-1);
           for (i = 0; i < n; i++)
           {
-#ifndef ROCKBOX
                int onset = x->x_obj.te_xpix + (x->x_width - IOWIDTH) * i / nplus;
                if (firsttime)
                     sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xo%d\n",
@@ -156,14 +155,12 @@ void gcanvas_drawme(t_gcanvas *x, t_glist *glist, int firsttime)
                              glist_getcanvas(glist), x, i,
                              onset, x->x_obj.te_ypix + x->x_height - 1,
                              onset + IOWIDTH, x->x_obj.te_ypix + x->x_height);
-#endif /* ROCKBOX */
           }
           /* inlets */
           n = 0; 
           nplus = (n == 1 ? 1 : n-1);
           for (i = 0; i < n; i++)
           {
-#ifndef ROCKBOX
                int onset = x->x_obj.te_xpix + (x->x_width - IOWIDTH) * i / nplus;
                if (firsttime)
                     sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xi%d\n",
@@ -176,10 +173,9 @@ void gcanvas_drawme(t_gcanvas *x, t_glist *glist, int firsttime)
                              glist_getcanvas(glist), x, i,
                              onset, x->x_obj.te_ypix,
                              onset + IOWIDTH, x->x_obj.te_ypix + 1);
-#endif /* ROCKBOX */
           }
      }
-
+#endif /* ROCKBOX */
 }
 
 
diff --git a/apps/plugins/pdbox/PDa/extra/hlshelf.c b/apps/plugins/pdbox/PDa/extra/hlshelf.c
index 8a5f82bedd..fd769921d0 100644
--- a/apps/plugins/pdbox/PDa/extra/hlshelf.c
+++ b/apps/plugins/pdbox/PDa/extra/hlshelf.c
@@ -110,7 +110,8 @@ void hlshelf_check(t_hlshelf *x)
 void hlshelf_bang(t_hlshelf *x)
 {
      t_atom at[6];
-     float c0, c1, c2, d0, d1, d2;      /* output coefs */
+     /* float c0; unused */
+     float c1, c2, d0, d1, d2;  /* output coefs */
      float a1, a2, b1, b2, g1, g2;      /* temp coefs */
      double xf;
 
@@ -157,7 +158,7 @@ void hlshelf_bang(t_hlshelf *x)
      }
      
      /* form product */
-     c0 = g1 * g2 * (float)(exp((double)(x->s_gain1) * 0.05f * 2.302585093f));  ;
+     /* c0 = g1 * g2 * (float)(exp((double)(x->s_gain1) * 0.05f * 2.302585093f)); unused */
      c1 = a1 + a2;
      c2 = a1 * a2;
      d0 =  1.0f;
@@ -166,7 +167,7 @@ void hlshelf_bang(t_hlshelf *x)
 
      if (!hlshelf_check_stability(-c1/d0,-c2/d0,d0/d0,d1/d0,d2/d0)) {
        post("hlshelf: filter unstable -> resetting");
-       c0=1.;c1=0.;c2=0.;
+       /* c0=1.; unused */ c1=0.;c2=0.;
        d0=1.;d1=0.;d2=0.;
      }
 
diff --git a/apps/plugins/pdbox/PDa/intern/sfread~.c b/apps/plugins/pdbox/PDa/intern/sfread~.c
index b357e49291..0a369ce3f5 100644
--- a/apps/plugins/pdbox/PDa/intern/sfread~.c
+++ b/apps/plugins/pdbox/PDa/intern/sfread~.c
@@ -114,7 +114,7 @@ static t_int *sfread_perform(t_int *w)
 {
      t_sfread* x = (t_sfread*)(w[1]);
      short* buf = x->x_mapaddr;
-     t_time tmp;
+     /* t_time tmp; unused */
      int c = x->x_channels;
      t_time pos = x->x_pos;
      t_sample speed = x->x_speed;
@@ -137,7 +137,7 @@ static t_int *sfread_perform(t_int *w)
           }
           pos = x->x_skip;
      }
-     tmp = n*speed;
+     /* tmp = n*speed; unused */
 
      if (pos + n*speed <= 0) {  // playing backwards end
           if (!x->x_loop) {
diff --git a/apps/plugins/pdbox/PDa/intern/sfwrite~.c b/apps/plugins/pdbox/PDa/intern/sfwrite~.c
index c53698c091..6f801921ef 100644
--- a/apps/plugins/pdbox/PDa/intern/sfwrite~.c
+++ b/apps/plugins/pdbox/PDa/intern/sfwrite~.c
@@ -137,7 +137,7 @@ static t_int *sfwrite_perform(t_int *w)
      short* tout = out;
      int ret;
      int timebefore,timeafter;
-     double late;
+     /* double late; unused */
 
      for (i=0;i < c;i++) {
           in[i] = (t_sample *)(w[2+i]);     
@@ -161,7 +161,7 @@ static t_int *sfwrite_perform(t_int *w)
 
                }
           timeafter = sys_getrealtime();
-          late = timeafter - timebefore;
+          /* late = timeafter - timebefore; unused */
 
 #if 0
           /* OK, we let only 10 ms block here */
diff --git a/apps/plugins/pdbox/PDa/src/d_ugen.c b/apps/plugins/pdbox/PDa/src/d_ugen.c
index 189ecb8edc..642ed580bd 100644
--- a/apps/plugins/pdbox/PDa/src/d_ugen.c
+++ b/apps/plugins/pdbox/PDa/src/d_ugen.c
@@ -866,7 +866,7 @@ void ugen_done_graph(t_dspcontext *dc)
     t_dspcontext *parent_context = dc->dc_parentcontext;
     float parent_srate;
     int parent_vecsize;
-    int period, frequency, phase, vecsize;
+    int period, frequency, /* phase, */ vecsize;
     float srate;
     int chainblockbegin;    /* DSP chain onset before block prolog code */
     int chainblockend;      /* and after block epilog code */
@@ -931,7 +931,7 @@ void ugen_done_graph(t_dspcontext *dc)
         frequency = (parent_vecsize * realoverlap * upsample)/
             (vecsize * downsample);
         /* } IOhannes*/
-        phase = blk->x_phase;
+        /* phase = blk->x_phase; */
         srate = parent_srate * realoverlap * upsample / downsample;
             /* IOhannes */
         if (period < 1) period = 1;
@@ -951,7 +951,7 @@ void ugen_done_graph(t_dspcontext *dc)
         vecsize = parent_vecsize;
         downsample = upsample = 1;/* IOhannes */
         period = frequency = 1;
-        phase = 0;
+        /* phase = 0; */
         if (!parent_context) reblock = 1;
         switched = 0;
     }
diff --git a/apps/plugins/pdbox/PDa/src/g_array.c b/apps/plugins/pdbox/PDa/src/g_array.c
index 484e6fa33d..529feef0e2 100644
--- a/apps/plugins/pdbox/PDa/src/g_array.c
+++ b/apps/plugins/pdbox/PDa/src/g_array.c
@@ -245,13 +245,13 @@ void glist_arraydialog(t_glist *parent, t_symbol *name, t_floatarg size,
     t_floatarg saveit, t_floatarg otherflag)
 {
     t_glist *gl;
-    t_garray *a;
+    /* t_garray *a; unused */
     if (size < 1)
         size = 1;
     if (otherflag == 0 || (!(gl = glist_findgraph(parent))))
         gl = glist_addglist(parent, &s_, 0, 1,
             (size > 1 ? size-1 : size), -1, 0, 0, 0, 0);
-    a = graph_array(gl, sharptodollar(name), &s_float, size, saveit);
+    /* a = */ graph_array(gl, sharptodollar(name), &s_float, size, saveit);
 }
 
     /* this is called from the properties dialog window for an existing array */
@@ -706,17 +706,22 @@ static void garray_vis(t_gobj *z, t_glist *glist, int vis)
         else if (!template_find_field(template, gensym("x"), &xonset, &type,
             &arraytype) || type != DT_FLOAT)
         {
-            float firsty, xcum = x->x_firstx;
+            float xcum = x->x_firstx;
             int lastpixel = -1, ndrawn = 0;
-            float yval = 0, xpix;
+            float xpix;
+#ifndef ROCKBOX
+            float firsty, yval = 0;
+#endif
             int ixpix = 0;
 #ifndef ROCKBOX
             sys_vgui(".x%x.c create line \\\n", glist_getcanvas(glist));
 #endif
             for (i = 0; i < x->x_n; i++)
             {
+#ifndef ROCKBOX
                 yval = fixtof(*(t_sample *)(x->x_vec +
                     template->t_n * i * sizeof (t_word) + yonset));
+#endif
                 xpix = glist_xtopixels(glist, xcum);
                 ixpix = xpix + 0.5;
                 if (ixpix != lastpixel)
@@ -737,9 +742,7 @@ static void garray_vis(t_gobj *z, t_glist *glist, int vis)
             else if (ndrawn == 1) sys_vgui("%d %f \\\n", ixpix,
                         glist_ytopixels(glist, yval));
             sys_vgui("-tags .x%x.a%x\n", glist_getcanvas(glist), x);
-#endif
             firsty = fixtof(*(t_sample *)(x->x_vec + yonset));
-#ifndef ROCKBOX
             sys_vgui(".x%x.c create text %f %f -text {%s} -anchor e\
                  -font -*-courier-bold--normal--%d-* -tags .x%x.a%x\n",
                 glist_getcanvas(glist),
diff --git a/apps/plugins/pdbox/PDa/src/g_canvas.c b/apps/plugins/pdbox/PDa/src/g_canvas.c
index a48a28e164..e3774dfd05 100644
--- a/apps/plugins/pdbox/PDa/src/g_canvas.c
+++ b/apps/plugins/pdbox/PDa/src/g_canvas.c
@@ -381,7 +381,7 @@ t_canvas *canvas_new(void *dummy, t_symbol *sel, int argc, t_atom *argv)
 #ifdef ROCKBOX
     (void) dummy;
     (void) sel;
-    int font = 10;
+    int font __attribute__((unused)) = 10;
 #else /* ROCKBOX */
     int font = (owner ? owner->gl_font : sys_defaultfont);
 #endif /* ROCKBOX */
diff --git a/apps/plugins/pdbox/PDa/src/g_graph.c b/apps/plugins/pdbox/PDa/src/g_graph.c
index 39a2993264..eba2f4f3ba 100644
--- a/apps/plugins/pdbox/PDa/src/g_graph.c
+++ b/apps/plugins/pdbox/PDa/src/g_graph.c
@@ -736,10 +736,12 @@ static void graph_vis(t_gobj *gr, t_glist *parent_glist, int vis)
             zero, this is disabled. */
         if (x->gl_xtick.k_lperb)
         {
+#ifndef ROCKBOX
             float upix, lpix;
             if (y2 < y1)
                 upix = y1, lpix = y2;
             else upix = y2, lpix = y1;
+#endif
             for (i = 0, f = x->gl_xtick.k_point;
                 f < 0.99 * x->gl_x2 + 0.01*x->gl_x1; i++,
                     f += x->gl_xtick.k_inc)
diff --git a/apps/plugins/pdbox/PDa/src/g_template.c b/apps/plugins/pdbox/PDa/src/g_template.c
index e73ca3ef5a..0245158fce 100644
--- a/apps/plugins/pdbox/PDa/src/g_template.c
+++ b/apps/plugins/pdbox/PDa/src/g_template.c
@@ -1398,7 +1398,10 @@ static void plot_vis(t_gobj *z, t_glist *glist,
     {           
         char outline[20];
         int lastpixel = -1, ndrawn = 0;
-        float xsum, yval = 0, wval = 0, xpix;
+        float xsum, yval = 0, xpix;
+#ifndef ROCKBOX
+        float wval = 0;
+#endif
         int ixpix = 0, i;
 
             /* draw the trace */
@@ -1422,7 +1425,9 @@ static void plot_vis(t_gobj *z, t_glist *glist,
                 if (yonset >= 0)
                     yval = *(float *)((elem + elemsize * i) + yonset);
                 else yval = 0;
+#ifndef ROCKBOX
                 wval = *(float *)((elem + elemsize * i) + wonset);
+#endif
                 xpix = glist_xtopixels(glist, basex + usexloc);
                 ixpix = xpix + 0.5;
                 if (xonset >= 0 || ixpix != lastpixel)
@@ -1447,7 +1452,9 @@ static void plot_vis(t_gobj *z, t_glist *glist,
                 if (yonset >= 0)
                     yval = *(float *)((elem + elemsize * i) + yonset);
                 else yval = 0;
+#ifndef ROCKBOX
                 wval = *(float *)((elem + elemsize * i) + wonset);
+#endif
                 xpix = glist_xtopixels(glist, basex + usexloc);
                 ixpix = xpix + 0.5;
                 if (xonset >= 0 || ixpix != lastpixel)
diff --git a/apps/plugins/pdbox/PDa/src/g_text.c b/apps/plugins/pdbox/PDa/src/g_text.c
index ece0f58763..63105c0aa9 100644
--- a/apps/plugins/pdbox/PDa/src/g_text.c
+++ b/apps/plugins/pdbox/PDa/src/g_text.c
@@ -814,10 +814,10 @@ static void gatom_param(t_gatom *x, t_symbol *sel, int argc, t_atom *argv)
     /* ---------------- gatom-specific widget functions --------------- */
 static void gatom_getwherelabel(t_gatom *x, t_glist *glist, int *xp, int *yp)
 {
-    int x1, y1, x2, y2, width, height;
+    int x1, y1, x2, y2 /*, width, height */;
     text_getrect(&x->a_text.te_g, glist, &x1, &y1, &x2, &y2);
-    width = x2 - x1;
-    height = y2 - y1;
+    /* width = x2 - x1; */
+    /* height = y2 - y1; */
     if (x->a_wherelabel == ATOM_LABELLEFT)
     {
         *xp = x1 - 3 -
@@ -1265,9 +1265,9 @@ static t_widgetbehavior gatom_widgetbehavior =
 void glist_drawiofor(t_glist *glist, t_object *ob, int firsttime,
     char *tag, int x1, int y1, int x2, int y2)
 {
-    int n = obj_noutlets(ob), nplus = (n == 1 ? 1 : n-1), i;
 #ifdef ROCKBOX
     (void) glist;
+    (void) ob;
     (void) firsttime;
     (void) tag;
     (void) x1;
@@ -1275,11 +1275,12 @@ void glist_drawiofor(t_glist *glist, t_object *ob, int firsttime,
     (void) x2;
     (void) y2;
 #else /* ROCKBOX */
+    int n = obj_noutlets(ob), i;
     int width = x2 - x1;
-#endif /* ROCKBOX */
+    int nplus = (n == 1 ? 1 : n-1);
+
     for (i = 0; i < n; i++)
     {
-#ifndef ROCKBOX
         int onset = x1 + (width - IOWIDTH) * i / nplus;
         if (firsttime)
             sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %so%d\n",
@@ -1292,13 +1293,12 @@ void glist_drawiofor(t_glist *glist, t_object *ob, int firsttime,
                 glist_getcanvas(glist), tag, i,
                 onset, y2 - 1,
                 onset + IOWIDTH, y2);
-#endif /* ROCKBOX */
     }
+
     n = obj_ninlets(ob);
     nplus = (n == 1 ? 1 : n-1);
     for (i = 0; i < n; i++)
     {
-#ifndef ROCKBOX
         int onset = x1 + (width - IOWIDTH) * i / nplus;
         if (firsttime)
             sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %si%d\n",
@@ -1311,15 +1311,15 @@ void glist_drawiofor(t_glist *glist, t_object *ob, int firsttime,
                 glist_getcanvas(glist), tag, i,
                 onset, y1,
                 onset + IOWIDTH, y1 + EXTRAPIX);
-#endif /* ROCKBOX */
     }
+#endif /* ROCKBOX */
 }
 
 void text_drawborder(t_text *x, t_glist *glist,
     char *tag, int width2, int height2, int firsttime)
 {
     t_object *ob;
-    int x1, y1, x2, y2, width, height;
+    int x1, y1, x2, y2 /* , width, height */;
 
 #ifdef ROCKBOX
     (void) width2;
@@ -1327,8 +1327,8 @@ void text_drawborder(t_text *x, t_glist *glist,
 #endif
 
     text_getrect(&x->te_g, glist, &x1, &y1, &x2, &y2);
-    width = x2 - x1;
-    height = y2 - y1;
+    /* width = x2 - x1; */
+    /* height = y2 - y1; */
     if (x->te_type == T_OBJECT)
     {
 #ifndef ROCKBOX
diff --git a/apps/plugins/pdbox/PDa/src/m_binbuf.c b/apps/plugins/pdbox/PDa/src/m_binbuf.c
index b7c9a925d4..1665e213b9 100644
--- a/apps/plugins/pdbox/PDa/src/m_binbuf.c
+++ b/apps/plugins/pdbox/PDa/src/m_binbuf.c
@@ -96,13 +96,13 @@ void binbuf_text(t_binbuf *x, char *text, size_t size)
         {
                 /* it's an atom other than a comma or semi */
             char c;
-            int floatstate = 0, slash = 0, lastslash = 0,
+            int floatstate = 0, slash = 0, /* lastslash = 0, */
                 firstslash = (*textp == '\\');
             bufp = buf;
             do
             {
                 c = *bufp = *textp++;
-                lastslash = slash;
+                /* lastslash = slash; */
                 slash = (c == '\\');
 
                 if (floatstate >= 0)
diff --git a/apps/plugins/pdbox/PDa/src/m_obj.c b/apps/plugins/pdbox/PDa/src/m_obj.c
index fa17a9052b..994b0bffed 100644
--- a/apps/plugins/pdbox/PDa/src/m_obj.c
+++ b/apps/plugins/pdbox/PDa/src/m_obj.c
@@ -655,9 +655,9 @@ int obj_sigoutletindex(t_object *x, int m)
 
 int obj_issignaloutlet(t_object *x, int m)
 {
-    int n;
+    /* int n; */
     t_outlet *o2;
-    for (o2 = x->ob_outlet, n = 0; o2 && m--; o2 = o2->o_next);
+    for (o2 = x->ob_outlet /* , n = 0 */; o2 && m--; o2 = o2->o_next);
     return (o2 && (o2->o_sym == &s_signal));
 }
 
diff --git a/apps/plugins/pdbox/PDa/src/x_connective.c b/apps/plugins/pdbox/PDa/src/x_connective.c
index bd504b54a4..f5462db26b 100644
--- a/apps/plugins/pdbox/PDa/src/x_connective.c
+++ b/apps/plugins/pdbox/PDa/src/x_connective.c
@@ -647,7 +647,7 @@ static void *pack_new(t_symbol *s, int argc, t_atom *argv)
     (void) s;
 #endif
     t_pack *x = (t_pack *)pd_new(pack_class);
-    t_atom defarg[2], *ap, *vec, *vp;
+    t_atom defarg[2], *ap, /* *vec, */ *vp;
     t_gpointer *gp;
     int nptr = 0;
     int i;
@@ -660,7 +660,7 @@ static void *pack_new(t_symbol *s, int argc, t_atom *argv)
     }
 
     x->x_n = argc;
-    vec = x->x_vec = (t_atom *)getbytes(argc * sizeof(*x->x_vec));
+    /* vec = */ x->x_vec = (t_atom *)getbytes(argc * sizeof(*x->x_vec));
     x->x_outvec = (t_atom *)getbytes(argc * sizeof(*x->x_outvec));
 
     for (i = argc, ap = argv; i--; ap++)