[librsvg] Remove now unused or unneeded variables and functions

[Christian Persch <chpe src gnome org>]

commit 286e3f084b2abc5a6b27ad1c9c0d9c3e040c50de
Author: Felix Riemann <friemann gnome org>
Date:   Fri Mar 23 21:51:08 2012 +0100

    Remove now unused or unneeded variables and functions
    
    Fixes compiler warnings when -Wunused-variable and -Wunused-functions
    compiler switches are enabled.
    
    Bug #672725.

 rsvg-base.c       |    4 ----
 rsvg-cairo-draw.c |    7 -------
 rsvg-io.c         |    5 -----
 rsvg.c            |    8 --------
 test-display.c    |    6 ------
 5 files changed, 0 insertions(+), 30 deletions(-)
---
diff --git a/rsvg-base.c b/rsvg-base.c
index 9cb8f18..0220055 100644
--- a/rsvg-base.c
+++ b/rsvg-base.c
@@ -314,7 +314,6 @@ static void
 rsvg_extra_handler_characters (RsvgSaxHandler * self, const char *ch, int len)
 {
     RsvgSaxHandlerExtra *z = (RsvgSaxHandlerExtra *) self;
-    RsvgHandle *ctx = z->ctx;
 
     /* This isn't quite the correct behavior - in theory, any graphics
        element may contain a title, desc, or metadata element */
@@ -417,7 +416,6 @@ static void
 rsvg_metadata_handler_start (RsvgSaxHandler * self, const char *name, RsvgPropertyBag * atts)
 {
     RsvgSaxHandlerMetadata *z = (RsvgSaxHandlerMetadata *) self;
-    RsvgHandle *ctx = z->ctx;
 
     rsvg_extra_handler_start (self, name, atts);
 
@@ -433,7 +431,6 @@ static void
 rsvg_metadata_handler_end (RsvgSaxHandler * self, const char *name)
 {
     RsvgSaxHandlerMetadata *z = (RsvgSaxHandlerMetadata *) self;
-    RsvgHandle *ctx = z->ctx;
 
     if (strcmp (name, z->name) != 0) {
         if (z->string)
@@ -569,7 +566,6 @@ rsvg_start_xinclude (RsvgHandle * ctx, RsvgPropertyBag * atts)
         xmlParserCtxtPtr xml_parser;
         xmlParserInputBufferPtr buffer;
         xmlParserInputPtr input;
-        int result;
 
         stream = _rsvg_handle_acquire_stream (ctx, href, NULL, NULL);
         if (stream == NULL)
diff --git a/rsvg-cairo-draw.c b/rsvg-cairo-draw.c
index 612c227..11bc8f3 100644
--- a/rsvg-cairo-draw.c
+++ b/rsvg-cairo-draw.c
@@ -44,12 +44,6 @@
 static const cairo_user_data_key_t surface_pixel_data_key;
 
 static void
-rsvg_pixmap_destroy (gchar * pixels, gpointer data)
-{
-    g_free (pixels);
-}
-
-static void
 _pattern_add_rsvg_color_stops (cairo_pattern_t * pattern,
                                GPtrArray * stops, guint32 current_color_rgb, guint8 opacity)
 {
@@ -574,7 +568,6 @@ rsvg_cairo_render_surface (RsvgDrawingCtx *ctx,
 
     int width, height;
     double dwidth, dheight;
-    int j;
     RsvgBbox bbox;
 
     if (surface == NULL)
diff --git a/rsvg-io.c b/rsvg-io.c
index f026c3d..b41c0c9 100644
--- a/rsvg-io.c
+++ b/rsvg-io.c
@@ -160,12 +160,9 @@ rsvg_acquire_file_data (const char *filename,
                         GCancellable *cancellable,
                         GError **error)
 {
-    GFile *file;
     gchar *path, *data;
-    GInputStream *stream;
     gsize len;
     char *content_type;
-    gboolean res;
 
     rsvg_return_val_if_fail (filename != NULL, NULL, error);
     g_assert (out_len != NULL);
@@ -201,7 +198,6 @@ rsvg_acquire_gvfs_stream (const char *uri,
     GFile *base, *file;
     GFileInputStream *stream;
     GError *err = NULL;
-    gchar *data;
 
     file = g_file_new_for_uri (uri);
 
@@ -255,7 +251,6 @@ rsvg_acquire_gvfs_data (const char *uri,
                         GError **error)
 {
     GFile *base, *file;
-    GInputStream *stream;
     GError *err;
     gchar *data;
     gsize len;
diff --git a/rsvg.c b/rsvg.c
index 80fa213..9ee56fa 100644
--- a/rsvg.c
+++ b/rsvg.c
@@ -44,12 +44,6 @@
 #include "rsvg-cairo.h"
 #include "rsvg-cairo-draw.h"
 
-static void
-rsvg_pixmap_destroy (gchar * pixels, gpointer data)
-{
-    g_free (pixels);
-}
-
 /**
  * rsvg_handle_get_pixbuf_sub:
  * @handle: An #RsvgHandle
@@ -72,10 +66,8 @@ rsvg_handle_get_pixbuf_sub (RsvgHandle * handle, const char *id)
 {
     RsvgDimensionData dimensions;
     GdkPixbuf *output = NULL;
-    guint8 *pixels;
     cairo_surface_t *surface;
     cairo_t *cr;
-    int rowstride;
 
     g_return_val_if_fail (handle != NULL, NULL);
 
diff --git a/test-display.c b/test-display.c
index ca17dea..2aa0ad5 100644
--- a/test-display.c
+++ b/test-display.c
@@ -181,14 +181,10 @@ struct _ViewerCbInfo {
 static cairo_surface_t *
 render_to_surface (ViewerCbInfo *info)
 {
-    RsvgDimensionData dimensions;
     int width, height;
     cairo_matrix_t matrix;
-    GdkPixbuf *output = NULL;
-    guint8 *pixels;
     cairo_surface_t *surface;
     cairo_t *cr;
-    int rowstride, minimum;
 
     width = ceil ((double) info->dimensions.width * info->x_zoom);
     height = ceil ((double) info->dimensions.height * info->y_zoom);
@@ -625,8 +621,6 @@ main (int argc, char **argv)
     int from_stdin = 0;
     ViewerCbInfo info;
 
-    struct RsvgSizeCallbackData size_data;
-
     char **args = NULL;
     gint n_args = 0;