[librsvg] Fix unused-but-set-variable warnings

[Christian Persch <chpe src gnome org>]

commit 0cabddcbddf870591017ce2a0d1567309d1a0ed8
Author: Christian Persch <chpe gnome org>
Date:   Mon Nov 7 18:06:39 2011 +0100

    Fix unused-but-set-variable warnings

 gdk-pixbuf-loader/io-svg.c |    2 +-
 gtk-engine/svg-draw.c      |    7 +------
 rsvg-base.c                |    5 ++---
 rsvg-filter.c              |   16 ++--------------
 test-display.c             |    6 ++----
 5 files changed, 8 insertions(+), 28 deletions(-)
---
diff --git a/gdk-pixbuf-loader/io-svg.c b/gdk-pixbuf-loader/io-svg.c
index dac8f4e..2844ee6 100644
--- a/gdk-pixbuf-loader/io-svg.c
+++ b/gdk-pixbuf-loader/io-svg.c
@@ -172,7 +172,7 @@ gdk_pixbuf__svg_image_stop_load (gpointer data, GError **error)
         g_object_unref (context->handle);
         g_free (context);
 
-        return TRUE;
+        return result;
 }
 
 void
diff --git a/gtk-engine/svg-draw.c b/gtk-engine/svg-draw.c
index 8363546..ff5d303 100644
--- a/gtk-engine/svg-draw.c
+++ b/gtk-engine/svg-draw.c
@@ -100,13 +100,10 @@ draw_simple_image(GtkStyle       *style,
 		  gint            height)
 {
   ThemeImage *image;
-  gboolean setbg = FALSE;
   
   if ((width == -1) && (height == -1))
     {
       gdk_drawable_get_size(window, &width, &height);
-      if (allow_setbg)
-      	setbg = TRUE;
     }
   else if (width == -1)
     gdk_drawable_get_size(window, &width, NULL);
@@ -163,12 +160,10 @@ draw_gap_image(GtkStyle       *style,
 	       gint            gap_width)
 {
   ThemeImage *image;
-  gboolean setbg = FALSE;
-  
+
   if ((width == -1) && (height == -1))
     {
       gdk_drawable_get_size(window, &width, &height);
-      setbg = TRUE;
     }
   else if (width == -1)
     gdk_drawable_get_size(window, &width, NULL);
diff --git a/rsvg-base.c b/rsvg-base.c
index d2784f7..7cab26b 100644
--- a/rsvg-base.c
+++ b/rsvg-base.c
@@ -596,11 +596,10 @@ rsvg_start_xinclude (RsvgHandle * ctx, RsvgPropertyBag * atts)
                 /* xml */
                 xmlDocPtr xml_doc;
                 xmlParserCtxtPtr xml_parser;
-                int result;
 
                 xml_parser = xmlCreatePushParserCtxt (&rsvgSAXHandlerStruct, ctx, NULL, 0, NULL);
-                result = xmlParseChunk (xml_parser, (char *) data->data, data->len, 0);
-                result = xmlParseChunk (xml_parser, "", 0, TRUE);
+                (void) xmlParseChunk (xml_parser, (char *) data->data, data->len, 0);
+                (void) xmlParseChunk (xml_parser, "", 0, TRUE);
 
                 xml_doc = xml_parser->myDoc;
                 xmlFreeParserCtxt (xml_parser);
diff --git a/rsvg-filter.c b/rsvg-filter.c
index 500679c..2e310c2 100644
--- a/rsvg-filter.c
+++ b/rsvg-filter.c
@@ -1265,17 +1265,11 @@ box_blur (GdkPixbuf * in, GdkPixbuf * output, guchar * intermediate, gint kw,
 {
     gint ch;
     gint x, y;
-    gint rowstride, height, width;
-
+    gint rowstride;
     guchar *in_pixels;
     guchar *output_pixels;
-
     gint sum;
 
-
-    height = gdk_pixbuf_get_height (in);
-    width = gdk_pixbuf_get_width (in);
-
     in_pixels = gdk_pixbuf_get_pixels (in);
     output_pixels = gdk_pixbuf_get_pixels (output);
 
@@ -2098,12 +2092,9 @@ rsvg_filter_primitive_component_transfer_render (RsvgFilterPrimitive *
     gint achan = ctx->channelmap[3];
     guchar *in_pixels;
     guchar *output_pixels;
-
-    RsvgFilterPrimitiveComponentTransfer *upself;
-
     GdkPixbuf *output;
     GdkPixbuf *in;
-    upself = (RsvgFilterPrimitiveComponentTransfer *) self;
+
     boundarys = rsvg_filter_primitive_get_bounds (self, ctx);
 
     for (c = 0; c < 4; c++) {
@@ -4318,9 +4309,6 @@ rsvg_filter_primitive_tile_render (RsvgFilterPrimitive * self, RsvgFilterContext
     GdkPixbuf *output;
     GdkPixbuf *in;
 
-    RsvgFilterPrimitiveTile *upself;
-
-    upself = (RsvgFilterPrimitiveTile *) self;
     oboundarys = rsvg_filter_primitive_get_bounds (self, ctx);
 
     input = rsvg_filter_get_result (self->in, ctx);
diff --git a/test-display.c b/test-display.c
index c4abdca..06dcd18 100644
--- a/test-display.c
+++ b/test-display.c
@@ -72,7 +72,6 @@ get_image_size_from_data (ViewerCbInfo *info,
 {
     RsvgHandle *handle;
     RsvgDimensionData dimensions;
-    gboolean ret;
 
     handle = rsvg_handle_new ();
 
@@ -93,7 +92,7 @@ get_image_size_from_data (ViewerCbInfo *info,
         return FALSE;
     }
 
-    ret = rsvg_handle_get_dimensions_sub (handle, &dimensions, info->id);
+    (void) rsvg_handle_get_dimensions_sub (handle, &dimensions, info->id);
     g_object_unref (handle);
 
     if (width)
@@ -344,7 +343,6 @@ static void
 print_pixbuf (GObject * ignored, gpointer user_data)
 {
   GtkPrintOperation *print;
-  GtkPrintOperationResult res;
   ViewerCbInfo *info = (ViewerCbInfo *) user_data;
 
   print = gtk_print_operation_new ();
@@ -352,7 +350,7 @@ print_pixbuf (GObject * ignored, gpointer user_data)
   g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), info);
   g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), info);
 
-  res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
+  (void)gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
                                  GTK_WINDOW (info->window), NULL);
 
   g_object_unref (print);