Just removed unused variable names to avoid warnings from gcc.

dlib/external/libjpeg/jdatasrc.cpp

@@ -166,7 +166,7 @@ skip_input_data (j_decompress_ptr cinfo, long num_bytes)
  */
 
 METHODDEF(void)
-term_source (j_decompress_ptr cinfo)
+term_source (j_decompress_ptr )
 {
   /* no work necessary here */
 }

dlib/external/libjpeg/jdcoefct.cpp

@@ -225,7 +225,7 @@ decompress_onepass (j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
  */
 
 METHODDEF(int)
-dummy_consume_data (j_decompress_ptr cinfo)
+dummy_consume_data (j_decompress_ptr )
 {
   return JPEG_SUSPENDED;	/* Always indicate nothing was done */
 }

dlib/external/libjpeg/jdcolor.cpp

@@ -290,7 +290,7 @@ ycck_cmyk_convert (j_decompress_ptr cinfo,
  */
 
 METHODDEF(void)
-start_pass_dcolor (j_decompress_ptr cinfo)
+start_pass_dcolor (j_decompress_ptr )
 {
   /* no work needed */
 }

dlib/external/libjpeg/jdmerge.cpp

@@ -143,7 +143,7 @@ start_pass_merged_upsample (j_decompress_ptr cinfo)
 METHODDEF(void)
 merged_2v_upsample (j_decompress_ptr cinfo,
 		    JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr,
-		    JDIMENSION in_row_groups_avail,
+		    JDIMENSION ,
 		    JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
 		    JDIMENSION out_rows_avail)
 /* 2:1 vertical sampling case: may need a spare row. */
@@ -192,9 +192,9 @@ merged_2v_upsample (j_decompress_ptr cinfo,
 METHODDEF(void)
 merged_1v_upsample (j_decompress_ptr cinfo,
 		    JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr,
-		    JDIMENSION in_row_groups_avail,
+		    JDIMENSION ,
 		    JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
-		    JDIMENSION out_rows_avail)
+		    JDIMENSION )
 /* 1:1 vertical sampling case: much easier, never need a spare row. */
 {
   my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;

dlib/external/libjpeg/jdpostct.cpp

@@ -158,8 +158,8 @@ METHODDEF(void)
 post_process_prepass (j_decompress_ptr cinfo,
 		      JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr,
 		      JDIMENSION in_row_groups_avail,
-		      JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
-		      JDIMENSION out_rows_avail)
+		      JSAMPARRAY , JDIMENSION *out_row_ctr,
+		      JDIMENSION )
 {
   my_post_ptr post = (my_post_ptr) cinfo->post;
   JDIMENSION old_next_row, num_rows;
@@ -200,8 +200,8 @@ post_process_prepass (j_decompress_ptr cinfo,
 
 METHODDEF(void)
 post_process_2pass (j_decompress_ptr cinfo,
-		    JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr,
-		    JDIMENSION in_row_groups_avail,
+		    JSAMPIMAGE , JDIMENSION *,
+		    JDIMENSION ,
 		    JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
 		    JDIMENSION out_rows_avail)
 {

dlib/external/libjpeg/jdsample.cpp

@@ -88,7 +88,7 @@ start_pass_upsample (j_decompress_ptr cinfo)
 METHODDEF(void)
 sep_upsample (j_decompress_ptr cinfo,
 	      JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr,
-	      JDIMENSION in_row_groups_avail,
+	      JDIMENSION ,
 	      JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
 	      JDIMENSION out_rows_avail)
 {
@@ -154,7 +154,7 @@ sep_upsample (j_decompress_ptr cinfo,
  */
 
 METHODDEF(void)
-fullsize_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+fullsize_upsample (j_decompress_ptr , jpeg_component_info * ,
 		   JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)
 {
   *output_data_ptr = input_data;
@@ -167,8 +167,8 @@ fullsize_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
  */
 
 METHODDEF(void)
-noop_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
-	       JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)
+noop_upsample (j_decompress_ptr , jpeg_component_info * ,
+	       JSAMPARRAY , JSAMPARRAY * output_data_ptr)
 {
   *output_data_ptr = NULL;	/* safety check */
 }
@@ -230,7 +230,7 @@ int_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
  */
 
 METHODDEF(void)
-h2v1_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+h2v1_upsample (j_decompress_ptr cinfo, jpeg_component_info * ,
 	       JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)
 {
   JSAMPARRAY output_data = *output_data_ptr;
@@ -258,7 +258,7 @@ h2v1_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
  */
 
 METHODDEF(void)
-h2v2_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+h2v2_upsample (j_decompress_ptr cinfo, jpeg_component_info * ,
 	       JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)
 {
   JSAMPARRAY output_data = *output_data_ptr;

dlib/external/libjpeg/jmemnobs.cpp

@@ -32,13 +32,13 @@ extern void free JPP((void *ptr));
  */
 
 GLOBAL(void *)
-jpeg_get_small (j_common_ptr cinfo, size_t sizeofobject)
+jpeg_get_small (j_common_ptr , size_t sizeofobject)
 {
   return (void *) malloc(sizeofobject);
 }
 
 GLOBAL(void)
-jpeg_free_small (j_common_ptr cinfo, void * object, size_t sizeofobject)
+jpeg_free_small (j_common_ptr , void * object, size_t )
 {
   free(object);
 }
@@ -52,13 +52,13 @@ jpeg_free_small (j_common_ptr cinfo, void * object, size_t sizeofobject)
  */
 
 GLOBAL(void FAR *)
-jpeg_get_large (j_common_ptr cinfo, size_t sizeofobject)
+jpeg_get_large (j_common_ptr , size_t sizeofobject)
 {
   return (void FAR *) malloc(sizeofobject);
 }
 
 GLOBAL(void)
-jpeg_free_large (j_common_ptr cinfo, void FAR * object, size_t sizeofobject)
+jpeg_free_large (j_common_ptr , void FAR * object, size_t )
 {
   free(object);
 }
@@ -70,8 +70,8 @@ jpeg_free_large (j_common_ptr cinfo, void FAR * object, size_t sizeofobject)
  */
 
 GLOBAL(long)
-jpeg_mem_available (j_common_ptr cinfo, long min_bytes_needed,
-		    long max_bytes_needed, long already_allocated)
+jpeg_mem_available (j_common_ptr , long ,
+		    long max_bytes_needed, long )
 {
   return max_bytes_needed;
 }
@@ -84,8 +84,8 @@ jpeg_mem_available (j_common_ptr cinfo, long min_bytes_needed,
  */
 
 GLOBAL(void)
-jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info,
-			 long total_bytes_needed)
+jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr ,
+			 long )
 {
   ERREXIT(cinfo, JERR_NO_BACKING_STORE);
 }
@@ -97,13 +97,13 @@ jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info,
  */
 
 GLOBAL(long)
-jpeg_mem_init (j_common_ptr cinfo)
+jpeg_mem_init (j_common_ptr )
 {
   return 0;			/* just set max_memory_to_use to 0 */
 }
 
 GLOBAL(void)
-jpeg_mem_term (j_common_ptr cinfo)
+jpeg_mem_term (j_common_ptr )
 {
   /* no work */
 }

dlib/external/libjpeg/jquant1.cpp

@@ -242,7 +242,7 @@ select_ncolors (j_decompress_ptr cinfo, int Ncolors[])
 
 
 LOCAL(int)
-output_value (j_decompress_ptr cinfo, int ci, int j, int maxj)
+output_value (j_decompress_ptr , int , int j, int maxj)
 /* Return j'th output value, where j will range from 0 to maxj */
 /* The output values must fall in 0..MAXJSAMPLE in increasing order */
 {
@@ -256,7 +256,7 @@ output_value (j_decompress_ptr cinfo, int ci, int j, int maxj)
 
 
 LOCAL(int)
-largest_input_value (j_decompress_ptr cinfo, int ci, int j, int maxj)
+largest_input_value (j_decompress_ptr , int , int j, int maxj)
 /* Return largest input value that should map to j'th output value */
 /* Must have largest(j=0) >= 0, and largest(j=maxj) >= MAXJSAMPLE */
 {
@@ -738,7 +738,7 @@ alloc_fs_workspace (j_decompress_ptr cinfo)
  */
 
 METHODDEF(void)
-start_pass_1_quant (j_decompress_ptr cinfo, boolean is_pre_scan)
+start_pass_1_quant (j_decompress_ptr cinfo, boolean )
 {
   my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize;
   size_t arraysize;
@@ -795,7 +795,7 @@ start_pass_1_quant (j_decompress_ptr cinfo, boolean is_pre_scan)
  */
 
 METHODDEF(void)
-finish_pass_1_quant (j_decompress_ptr cinfo)
+finish_pass_1_quant (j_decompress_ptr )
 {
   /* no work in 1-pass case */
 }

dlib/external/libjpeg/jquant2.cpp

@@ -222,7 +222,7 @@ typedef my_cquantizer * my_cquantize_ptr;
 
 METHODDEF(void)
 prescan_quantize (j_decompress_ptr cinfo, JSAMPARRAY input_buf,
-		  JSAMPARRAY output_buf, int num_rows)
+		  JSAMPARRAY , int num_rows)
 {
   my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize;
   register JSAMPROW ptr;
@@ -1153,7 +1153,7 @@ finish_pass1 (j_decompress_ptr cinfo)
 
 
 METHODDEF(void)
-finish_pass2 (j_decompress_ptr cinfo)
+finish_pass2 (j_decompress_ptr )
 {
   /* no work */
 }