1 files changed, 22 insertions, 16 deletions

diff --git a/backend/gphoto2.c b/backend/gphoto2.c
index 7b297c4..c8af306 100644
--- a/backend/gphoto2.c
+++ b/backend/gphoto2.c
@@ -353,14 +353,23 @@ static const SANE_Device *devlist[] = {
  * debug_func - called for gphoto2 debugging output (if enabled)
  */
 static void
+#ifdef GPLOGFUNC_NO_VARGS
+debug_func (GPLogLevel level, const char *domain, const char *message,
+            void __sane_unused__ * data)
+#else
 debug_func (GPLogLevel level, const char *domain, const char *format,
-	    va_list args, void UNUSEDARG * data)
+	    va_list args, void __sane_unused__ * data)
+#endif
 {
   if (level == GP_LOG_ERROR)
     DBG (0, "%s(ERROR): ", domain);
   else
     DBG (0, "%s(%i): ", domain, level);
+#ifdef GPLOGFUNC_NO_VARGS
+  DBG (0, "%s", message);
+#else
   sanei_debug_msg (0, DBG_LEVEL, STRINGIFY (BACKEND_NAME), format, args);
+#endif
   DBG (0, "\n");
 }
 
@@ -650,7 +659,7 @@ change_res (SANE_Byte res)
  *	is present, and initialize gphoto2
  */
 SANE_Status
-sane_init (SANE_Int * version_code, SANE_Auth_Callback UNUSEDARG authorize)
+sane_init (SANE_Int * version_code, SANE_Auth_Callback __sane_unused__ authorize)
 {
   SANE_Int n, entries;
   SANE_Char f[] = "sane_init";
@@ -940,7 +949,7 @@ sane_exit (void)
  */
 SANE_Status
 sane_get_devices (const SANE_Device *** device_list, SANE_Bool
-		  UNUSEDARG local_only)
+		  __sane_unused__ local_only)
 {
   DBG (127, "sane_get_devices called\n");
 
@@ -1314,7 +1323,7 @@ my_source_mgr;
 typedef my_source_mgr *my_src_ptr;
 
 METHODDEF (void)
-jpeg_init_source (j_decompress_ptr UNUSEDARG cinfo)
+jpeg_init_source (j_decompress_ptr __sane_unused__ cinfo)
 {
   /* nothing to do */
 }
@@ -1361,7 +1370,7 @@ METHODDEF (void) jpeg_skip_input_data (j_decompress_ptr cinfo, long num_bytes)
 }
 
 METHODDEF (void)
-jpeg_term_source (j_decompress_ptr UNUSEDARG cinfo)
+jpeg_term_source (j_decompress_ptr __sane_unused__ cinfo)
 {
   /* no work necessary here */
 }
@@ -1476,7 +1485,7 @@ sane_start (SANE_Handle handle)
  * sane_read() - From SANE API
  */
 SANE_Status
-sane_read (SANE_Handle UNUSEDARG handle, SANE_Byte * data,
+sane_read (SANE_Handle __sane_unused__ handle, SANE_Byte * data,
 	   SANE_Int max_length, SANE_Int * length)
 {
   if (Cam_data.scanning == SANE_FALSE)
@@ -1530,7 +1539,7 @@ sane_read (SANE_Handle UNUSEDARG handle, SANE_Byte * data,
  * sane_cancel() - From SANE API
  */
 void
-sane_cancel (SANE_Handle UNUSEDARG handle)
+sane_cancel (SANE_Handle __sane_unused__ handle)
 {
   if (Cam_data.scanning)
     {
@@ -1544,8 +1553,8 @@ sane_cancel (SANE_Handle UNUSEDARG handle)
  * sane_set_io_mode() - From SANE API
  */
 SANE_Status
-sane_set_io_mode (SANE_Handle UNUSEDARG handle, SANE_Bool
-		  UNUSEDARG non_blocking)
+sane_set_io_mode (SANE_Handle __sane_unused__ handle, SANE_Bool
+		  __sane_unused__ non_blocking)
 {
   /* sane_set_io_mode() is only valid during a scan */
   if (Cam_data.scanning)
@@ -1570,7 +1579,7 @@ sane_set_io_mode (SANE_Handle UNUSEDARG handle, SANE_Bool
  * sane_get_select_fd() - From SANE API
  */
 SANE_Status
-sane_get_select_fd (SANE_Handle UNUSEDARG handle, SANE_Int UNUSEDARG *  fd)
+sane_get_select_fd (SANE_Handle __sane_unused__ handle, SANE_Int __sane_unused__ *  fd)
 {
   return SANE_STATUS_UNSUPPORTED;
 }
@@ -1738,13 +1747,13 @@ read_dir (SANE_String dir, SANE_Bool read_files)
     {
       if (gp_list_free (dir_list) < 0)
 	{
-	  DBG (0, "%s: errror: gp_list_free failed\n", f);
+	  DBG (0, "%s: error: gp_list_free failed\n", f);
 	}
       dir_list = NULL;
     }
   if (gp_list_new (&dir_list) < 0)
     {
-      DBG (0, "%s: errror: gp_list_new failed\n", f);
+      DBG (0, "%s: error: gp_list_new failed\n", f);
     }
 
   if (read_files)
@@ -1783,7 +1792,7 @@ read_info (SANE_String_Const fname)
  *  set_res - set picture size depending on resolution settings 
  */
 static void
-set_res (SANE_Int UNUSEDARG lowres)
+set_res (SANE_Int __sane_unused__ lowres)
 {
   if (gphoto2_opt_thumbnails)
     {
@@ -1943,7 +1952,6 @@ converter_scan_complete (void)
 static SANE_Status
 converter_init (SANE_Handle handle)
 {
-  SANE_Int row_stride;
   struct jpeg_error_mgr jerr;
   my_src_ptr src;
 
@@ -1982,8 +1990,6 @@ exit(1);
   dest_mgr = sanei_jpeg_jinit_write_ppm (&cinfo);
   (void) jpeg_start_decompress (&cinfo);
 
-  row_stride = cinfo.output_width * cinfo.output_components;
-
   parms.bytes_per_line = cinfo.output_width * 3;	/* 3 colors */
   parms.pixels_per_line = cinfo.output_width;
   parms.lines = cinfo.output_height;