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[privoxy.git] / cgisimple.c

diff --git a/cgisimple.c b/cgisimple.c
index c3836db..67d2765 100644 (file)
--- a/cgisimple.c
+++ b/cgisimple.c
@@ -1,4 +1,4 @@
-const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.14 2002/03/02 04:14:50 david__schmidt Exp $";
+const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.16 2002/03/07 03:48:38 oes Exp $";
 /*********************************************************************
  *
  * File        :  $Source: /cvsroot/ijbswa/current/cgisimple.c,v $
@@ -36,6 +36,15 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.14 2002/03/02 04:14:50 david_
  *
  * Revisions   :
  *    $Log: cgisimple.c,v $
+ *    Revision 1.16  2002/03/07 03:48:38  oes
+ *     - Changed built-in images from GIF to PNG
+ *       (with regard to Unisys patent issue)
+ *     - Added a 4x4 pattern PNG which is less intrusive
+ *       than the logo but also clearly marks the deleted banners
+ *
+ *    Revision 1.15  2002/03/06 22:54:35  jongfoster
+ *    Automated function-comment nitpicking.
+ *
  *    Revision 1.14  2002/03/02 04:14:50  david__schmidt
  *    Clean up a little CRLF unpleasantness that suddenly appeared
  *
@@ -345,21 +354,31 @@ jb_err cgi_send_banner(struct client_state *csp,
          /* and handle accordingly: */
          if ((p != NULL) && (0 == strcmpic(p, "blank")))
          {
-            imagetype = 't';
+            imagetype = 'b';
+         }
+         else if ((p != NULL) && (0 == strcmpic(p, "pattern")))
+         {
+            imagetype = 'p';
          }
       }
 #endif /* def FEATURE_IMAGE_BLOCKING */
    }
       
-   if ((imagetype != 't') && (imagetype != 'b')) /* transparant/blank */
+   if ((imagetype == 'b') || (imagetype == 't')) /* blank / transparent */
    {
-      rsp->body = bindup(image_junkbuster_gif_data, image_junkbuster_gif_length);
-      rsp->content_length = image_junkbuster_gif_length;
+      rsp->body = bindup(image_blank_data, image_blank_length);
+      rsp->content_length = image_blank_length;
+
    }
-   else
+   else if (imagetype == 'p') /* pattern */
+   {
+      rsp->body = bindup(image_pattern_data, image_pattern_length);
+      rsp->content_length = image_pattern_length;
+   }   
+   else /* logo */
    {
-      rsp->body = bindup(image_blank_gif_data, image_blank_gif_length);
-      rsp->content_length = image_blank_gif_length;
+      rsp->body = bindup(image_logo_data, image_logo_length);
+      rsp->content_length = image_logo_length;
    }   
 
    if (rsp->body == NULL)
@@ -367,7 +386,7 @@ jb_err cgi_send_banner(struct client_state *csp,
       return JB_ERR_MEMORY;
    }
 
-   if (enlist(rsp->headers, "Content-Type: image/gif"))
+   if (enlist(rsp->headers, "Content-Type: " BUILTIN_IMAGE_MIMETYPE))
    {
       return JB_ERR_MEMORY;
    }
@@ -381,9 +400,9 @@ jb_err cgi_send_banner(struct client_state *csp,
 
 /*********************************************************************
  *
- * Function    :  cgi_transparent_gif
+ * Function    :  cgi_transparent_image
  *
- * Description :  CGI function that sends a 1x1 transparent GIF.
+ * Description :  CGI function that sends a 1x1 transparent image.
  *
  * Parameters  :
  *          1  :  csp = Current client state (buffers, headers, etc...)
@@ -396,19 +415,19 @@ jb_err cgi_send_banner(struct client_state *csp,
  *                JB_ERR_MEMORY on out-of-memory error.  
  *
  *********************************************************************/
-jb_err cgi_transparent_gif(struct client_state *csp,
+jb_err cgi_transparent_image(struct client_state *csp,
                            struct http_response *rsp,
                            const struct map *parameters)
 {
-   rsp->body = bindup(image_blank_gif_data, image_blank_gif_length);
-   rsp->content_length = image_blank_gif_length;
+   rsp->body = bindup(image_blank_data, image_blank_length);
+   rsp->content_length = image_blank_length;
 
    if (rsp->body == NULL)
    {
       return JB_ERR_MEMORY;
    }
 
-   if (enlist(rsp->headers, "Content-Type: image/gif"))
+   if (enlist(rsp->headers, "Content-Type: " BUILTIN_IMAGE_MIMETYPE))
    {
       return JB_ERR_MEMORY;
    }
@@ -1058,6 +1077,12 @@ static jb_err show_defines(struct map *exports)
    if (!err) err = map_conditional(exports, "FEATURE_KILL_POPUPS", 0);
 #endif /* ndef FEATURE_KILL_POPUPS */
 
+#ifdef FEATURE_NO_GIFS
+   if (!err) err = map_conditional(exports, "FEATURE_NO_GIFS", 1);
+#else /* ifndef FEATURE_NO_GIFS */
+   if (!err) err = map_conditional(exports, "FEATURE_NO_GIFS", 0);
+#endif /* ndef FEATURE_NO_GIFS */
+
 #ifdef FEATURE_PTHREAD
    if (!err) err = map_conditional(exports, "FEATURE_PTHREAD", 1);
 #else /* ifndef FEATURE_PTHREAD */