GIF: Convert to old proto tree API

Related with #17774.
This commit is contained in:
João Valverde 2021-12-09 02:41:51 +00:00
parent b9ed05f6b8
commit a0d5bd67e6
1 changed files with 181 additions and 302 deletions

View File

@ -18,9 +18,6 @@
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#define NEW_PROTO_TREE_API
#include "config.h"
#include <epan/packet.h>
@ -56,219 +53,33 @@ enum {
static dissector_handle_t gif_handle;
/* Protocol and registered fields */
static header_field_info *hfi_gif = NULL;
#define GIF_HFI_INIT HFI_INIT(proto_gif)
/* header fields */
/* GIF signature */
static header_field_info hfi_version GIF_HFI_INIT = {
"Version",
IMG_GIF ".version",
FT_STRING, BASE_NONE, NULL, 0x00,
"GIF Version",
HFILL
};
/* Screen descriptor */
static header_field_info hfi_screen_width GIF_HFI_INIT = {
"Screen width",
IMG_GIF ".screen.width",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL,
HFILL
};
static header_field_info hfi_screen_height GIF_HFI_INIT = {
"Screen height",
IMG_GIF ".screen.height",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL,
HFILL
};
static header_field_info hfi_global_color_map_present GIF_HFI_INIT = {
"Global color map is present",
IMG_GIF ".global.color_map.present",
FT_UINT8, BASE_DEC, VALS(vals_true_false), 0x80,
"Indicates if the global color map is present",
HFILL
};
static header_field_info hfi_global_color_resolution GIF_HFI_INIT = {
"Bits per color minus 1",
IMG_GIF ".global.color_bpp",
FT_UINT8, BASE_DEC, NULL, 0x70,
"The number of bits per color is one plus the field value.",
HFILL
};
static header_field_info hfi_global_color_map_ordered/* GIF89a */ GIF_HFI_INIT = {
"Global color map is ordered",
IMG_GIF ".global.color_map.ordered",
FT_UINT8, BASE_DEC, VALS(vals_true_false), 0x08,
"Indicates whether the global color map is ordered.",
HFILL
};
static header_field_info hfi_global_image_bpp GIF_HFI_INIT = {
"Image bits per pixel minus 1",
IMG_GIF ".global.bpp",
FT_UINT8, BASE_DEC, NULL, 0x07,
"The number of bits per pixel is one plus the field value.",
HFILL
};
/* Only makes sense if the global color map is present: */
static header_field_info hfi_background_color GIF_HFI_INIT = {
"Background color index",
IMG_GIF ".image_background_index",
FT_UINT8, BASE_DEC, NULL, 0x00,
"Index of the background color in the color map.",
HFILL
};
static header_field_info hfi_pixel_aspect_ratio/* GIF89a */ GIF_HFI_INIT = {
"Global pixel aspect ratio",
IMG_GIF ".global.pixel_aspect_ratio",
FT_UINT8, BASE_DEC, NULL, 0x00,
"Gives an approximate value of the aspect ratio of the pixels.",
HFILL
};
static header_field_info hfi_global_color_map GIF_HFI_INIT = {
"Global color map",
IMG_GIF ".global.color_map",
FT_BYTES, BASE_NONE, NULL, 0x00,
"Global color map.",
HFILL
};
/* Image descriptor */
static header_field_info hfi_image_left GIF_HFI_INIT = {
"Image left position",
IMG_GIF ".image.left",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Offset between left of Screen and left of Image.",
HFILL
};
static header_field_info hfi_image_top GIF_HFI_INIT = {
"Image top position",
IMG_GIF ".image.top",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Offset between top of Screen and top of Image.",
HFILL
};
static header_field_info hfi_image_width GIF_HFI_INIT = {
"Image width",
IMG_GIF ".image.width",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Image width.",
HFILL
};
static header_field_info hfi_image_height GIF_HFI_INIT = {
"Image height",
IMG_GIF ".image.height",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Image height.",
HFILL
};
static header_field_info hfi_local_color_map_present GIF_HFI_INIT = {
"Local color map is present",
IMG_GIF ".local.color_map.present",
FT_UINT8, BASE_DEC, VALS(vals_true_false), 0x80,
"Indicates if the local color map is present",
HFILL
};
static header_field_info hfi_local_color_resolution GIF_HFI_INIT = {
"Bits per color minus 1",
IMG_GIF ".local.color_bpp",
FT_UINT8, BASE_DEC, NULL, 0x70,
"The number of bits per color is one plus the field value.",
HFILL
};
static header_field_info hfi_local_color_map_ordered/* GIF89a */ GIF_HFI_INIT = {
"Local color map is ordered",
IMG_GIF ".local.color_map.ordered",
FT_UINT8, BASE_DEC, VALS(vals_true_false), 0x08,
"Indicates whether the local color map is ordered.",
HFILL
};
#if 0
static header_field_info hfi_local_image_bpp GIF_HFI_INIT = {
"Image bits per pixel minus 1",
IMG_GIF ".local.bpp",
FT_UINT8, BASE_DEC, NULL, 0x07,
"The number of bits per pixel is one plus the field value.",
HFILL
};
#endif
static header_field_info hfi_local_color_map GIF_HFI_INIT = {
"Local color map",
IMG_GIF ".local.color_map",
FT_BYTES, BASE_NONE, NULL, 0x00,
"Local color map.",
HFILL
};
/* Extension */
static header_field_info hfi_extension GIF_HFI_INIT = {
"Extension",
IMG_GIF ".extension",
FT_NONE, BASE_NONE, NULL, 0x00,
"Extension.",
HFILL
};
static header_field_info hfi_extension_label GIF_HFI_INIT = {
"Extension label",
IMG_GIF ".extension.label",
FT_UINT8, BASE_HEX, VALS(vals_extensions), 0x00,
"Extension label.",
HFILL
};
static header_field_info hfi_image GIF_HFI_INIT = {
"Image",
IMG_GIF ".image",
FT_NONE, BASE_NONE, NULL, 0x00,
"Image.",
HFILL
};
static header_field_info hfi_image_code_size GIF_HFI_INIT = {
"LZW minimum code size",
IMG_GIF ".image.code_size",
FT_UINT8, BASE_DEC, NULL, 0x00,
"Minimum code size for the LZW compression.",
HFILL
};
/* Trailer (end of GIF data stream) */
static header_field_info hfi_trailer GIF_HFI_INIT = {
"Trailer (End of the GIF stream)",
IMG_GIF ".end",
FT_NONE, BASE_NONE, NULL, 0x00,
"This byte tells the decoder that the data stream is finished.",
HFILL
};
static header_field_info hfi_data_block GIF_HFI_INIT = {
"Data block",
IMG_GIF ".data_block",
FT_UINT_BYTES, BASE_NONE|BASE_ALLOW_ZERO, NULL, 0x00,
NULL, HFILL };
static int proto_gif = -1;
static int hf_background_color = -1;
static int hf_data_block = -1;
static int hf_extension = -1;
static int hf_extension_label = -1;
static int hf_global_color_map = -1;
static int hf_global_color_map_ordered = -1;
static int hf_global_color_map_present = -1;
static int hf_global_color_resolution = -1;
static int hf_global_image_bpp = -1;
static int hf_image = -1;
static int hf_image_code_size = -1;
static int hf_image_height = -1;
static int hf_image_left = -1;
static int hf_image_top = -1;
static int hf_image_width = -1;
static int hf_local_color_map = -1;
static int hf_local_color_map_ordered = -1;
static int hf_local_color_map_present = -1;
static int hf_local_color_resolution = -1;
static int hf_local_image_bpp = -1;
static int hf_pixel_aspect_ratio = -1;
static int hf_screen_height = -1;
static int hf_screen_width = -1;
static int hf_trailer = -1;
static int hf_version = -1;
/* Initialize the subtree pointers */
static gint ett_gif = -1;
@ -291,7 +102,7 @@ dissect_gif_data_block_seq(tvbuff_t *tvb, gint offset, proto_tree *tree)
do {
/* Read length of data block */
len = tvb_get_guint8(tvb, offset);
db_ti = proto_tree_add_item(tree, &hfi_data_block,
db_ti = proto_tree_add_item(tree, hf_data_block,
tvb, offset, 1, ENC_NA);
proto_item_append_text(db_ti, " (length = %u)", len);
offset += (1 + len);
@ -333,20 +144,20 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
return 0;
}
ti = proto_tree_add_item(tree, hfi_gif, tvb, offset, -1, ENC_NA);
ti = proto_tree_add_item(tree, proto_gif, tvb, offset, -1, ENC_NA);
gif_tree = proto_item_add_subtree(ti, ett_gif);
/* GIF signature */
proto_tree_add_item_ret_string(gif_tree, &hfi_version,
proto_tree_add_item_ret_string(gif_tree, hf_version,
tvb, offset, 6, ENC_ASCII|ENC_NA, pinfo->pool, &ver_str);
proto_item_append_text(ti, ", Version: %s", ver_str);
col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)", ver_str);
offset += 6;
/* Screen descriptor */
proto_tree_add_item(gif_tree, &hfi_screen_width, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(gif_tree, hf_screen_width, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(gif_tree, &hfi_screen_height, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(gif_tree, hf_screen_height, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
peek = tvb_get_guint8(tvb, offset);
@ -369,20 +180,20 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
" (%u bit%s per color) (%u bit%s per pixel)",
color_resolution, plurality(color_resolution, "", "s"),
image_bpp, plurality(image_bpp, "", "s"));
proto_tree_add_item(subtree, &hfi_global_color_map_present,
proto_tree_add_item(subtree, hf_global_color_map_present,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, &hfi_global_color_resolution,
proto_tree_add_item(subtree, hf_global_color_resolution,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
if (version == GIF_89a) {
proto_tree_add_item(subtree, &hfi_global_color_map_ordered,
proto_tree_add_item(subtree, hf_global_color_map_ordered,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
}
proto_tree_add_item(subtree, &hfi_global_image_bpp,
proto_tree_add_item(subtree, hf_global_image_bpp,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
/* Background color */
proto_tree_add_item(gif_tree, &hfi_background_color,
proto_tree_add_item(gif_tree, hf_background_color,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
@ -395,7 +206,7 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
peek = tvb_get_guint8(tvb, offset);
if (peek) {
/* Only display if different from 0 */
proto_tree_add_uint_format(gif_tree, &hfi_pixel_aspect_ratio,
proto_tree_add_uint_format(gif_tree, hf_pixel_aspect_ratio,
tvb, offset, 1, peek,
"%u, yields an aspect ratio of (15 + %u) / 64 = %.2f",
peek, peek, (float)(15 + peek) / 64.0);
@ -411,7 +222,7 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
guint len;
len = 3 * (1 << image_bpp);
proto_tree_add_item(gif_tree, &hfi_global_color_map,
proto_tree_add_item(gif_tree, hf_global_color_map,
tvb, offset, len, ENC_NA);
offset += len;
}
@ -475,11 +286,11 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
peek = tvb_get_guint8(tvb, offset);
if (peek == 0x21) { /* GIF extension block */
ti = proto_tree_add_item(gif_tree, &hfi_extension,
ti = proto_tree_add_item(gif_tree, hf_extension,
tvb, offset, 1, ENC_NA);
subtree = proto_item_add_subtree(ti, ett_extension);
offset++;
proto_tree_add_item(subtree, &hfi_extension_label,
proto_tree_add_item(subtree, hf_extension_label,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
peek = tvb_get_guint8(tvb, offset);
proto_item_append_text(ti, ": %s",
@ -494,18 +305,18 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
proto_tree *subtree2;
proto_item *ti2;
ti = proto_tree_add_item(gif_tree, &hfi_image,
ti = proto_tree_add_item(gif_tree, hf_image,
tvb, offset, 1, ENC_NA);
subtree = proto_item_add_subtree(ti, ett_image);
offset++;
/* Screen descriptor */
proto_tree_add_item(subtree, &hfi_image_left,
proto_tree_add_item(subtree, hf_image_left,
tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2;
proto_tree_add_item(subtree, &hfi_image_top,
proto_tree_add_item(subtree, hf_image_top,
tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2;
proto_tree_add_item(subtree, &hfi_image_width,
proto_tree_add_item(subtree, hf_image_width,
tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2;
proto_tree_add_item(subtree, &hfi_image_height,
proto_tree_add_item(subtree, hf_image_height,
tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2;
/* bit field */
peek = tvb_get_guint8(tvb, offset);
@ -521,15 +332,15 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
" (%u bit%s per color) (%u bit%s per pixel)",
color_resolution, plurality(color_resolution, "", "s"),
image_bpp, plurality(image_bpp, "", "s"));
proto_tree_add_item(subtree2, &hfi_local_color_map_present,
proto_tree_add_item(subtree2, hf_local_color_map_present,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree2, &hfi_local_color_resolution,
proto_tree_add_item(subtree2, hf_local_color_resolution,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
if (version == GIF_89a) {
proto_tree_add_item(subtree2, &hfi_local_color_map_ordered,
proto_tree_add_item(subtree2, hf_local_color_map_ordered,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
}
proto_tree_add_item(subtree2, &hfi_global_image_bpp,
proto_tree_add_item(subtree2, hf_global_image_bpp,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
@ -541,12 +352,12 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
guint len;
len = 3 * (1 << image_bpp);
proto_tree_add_item(subtree, &hfi_local_color_map,
proto_tree_add_item(subtree, hf_local_color_map,
tvb, offset, len, ENC_NA);
offset += len;
}
proto_tree_add_item(subtree, &hfi_image_code_size,
proto_tree_add_item(subtree, hf_image_code_size,
tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
ret = dissect_gif_data_block_seq(tvb, offset, subtree);
@ -555,7 +366,7 @@ dissect_gif(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
offset += ret;
} else if (peek == 0x3B) { /* Trailer byte */
/* GIF processing stops at this very byte */
proto_tree_add_item(gif_tree, &hfi_trailer,
proto_tree_add_item(gif_tree, hf_trailer,
tvb, offset, 1, ENC_NA);
offset++;
break;
@ -587,61 +398,133 @@ dissect_gif_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data
void
proto_register_gif(void)
{
#ifndef HAVE_HFI_SECTION_INIT
/*
* Setup list of header fields.
*/
static header_field_info *hfi[] = {
/*
* GIF signature and version
*/
&hfi_version,
/*
* Logical screen descriptor
*/
&hfi_screen_width,
&hfi_screen_height,
&hfi_global_color_map_present,
&hfi_global_color_resolution,
&hfi_global_color_map_ordered,
&hfi_global_image_bpp,
&hfi_background_color,
&hfi_pixel_aspect_ratio,
&hfi_global_color_map,
/*
* Local color map (part of image)
*/
&hfi_local_color_map_present,
&hfi_local_color_resolution,
&hfi_local_color_map_ordered,
/* &hfi_local_image_bpp, */
&hfi_local_color_map,
/*
* Extension
*/
&hfi_extension,
&hfi_extension_label,
/*
* Image
*/
&hfi_image,
&hfi_image_left,
&hfi_image_top,
&hfi_image_width,
&hfi_image_height,
&hfi_image_code_size,
/*
* Trailer
*/
&hfi_trailer,
&hfi_data_block
static hf_register_info hf[] = {
{ &hf_version,
{ "Version", IMG_GIF ".version",
FT_STRING, BASE_NONE, NULL, 0x00,
"GIF Version", HFILL }
},
{ &hf_screen_width,
{ "Screen width", IMG_GIF ".screen.width",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_screen_height,
{ "Screen height", IMG_GIF ".screen.height",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_global_color_map_present,
{ "Global color map is present", IMG_GIF ".global.color_map.present",
FT_UINT8, BASE_DEC, VALS(vals_true_false), 0x80,
"Indicates if the global color map is present", HFILL }
},
{ &hf_global_color_resolution,
{ "Bits per color minus 1", IMG_GIF ".global.color_bpp",
FT_UINT8, BASE_DEC, NULL, 0x70,
"The number of bits per color is one plus the field value.", HFILL }
},
{ &hf_global_color_map_ordered,
{ "Global color map is ordered", IMG_GIF ".global.color_map.ordered",
FT_UINT8, BASE_DEC, VALS(vals_true_false), 0x08,
"Indicates whether the global color map is ordered.", HFILL }
},
{ &hf_global_image_bpp,
{ "Image bits per pixel minus 1", IMG_GIF ".global.bpp",
FT_UINT8, BASE_DEC, NULL, 0x07,
"The number of bits per pixel is one plus the field value.", HFILL }
},
{ &hf_background_color,
{ "Background color index", IMG_GIF ".image_background_index",
FT_UINT8, BASE_DEC, NULL, 0x00,
"Index of the background color in the color map.", HFILL }
},
{ &hf_pixel_aspect_ratio,
{ "Global pixel aspect ratio", IMG_GIF ".global.pixel_aspect_ratio",
FT_UINT8, BASE_DEC, NULL, 0x00,
"Gives an approximate value of the aspect ratio of the pixels.", HFILL }
},
{ &hf_global_color_map,
{ "Global color map", IMG_GIF ".global.color_map",
FT_BYTES, BASE_NONE, NULL, 0x00,
"Global color map.", HFILL }
},
{ &hf_image_left,
{ "Image left position", IMG_GIF ".image.left",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Offset between left of Screen and left of Image.", HFILL }
},
{ &hf_image_top,
{ "Image top position", IMG_GIF ".image.top",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Offset between top of Screen and top of Image.", HFILL }
},
{ &hf_image_width,
{ "Image width", IMG_GIF ".image.width",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Image width.", HFILL }
},
{ &hf_image_height,
{ "Image height", IMG_GIF ".image.height",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Image height.", HFILL }
},
{ &hf_local_color_map_present,
{ "Local color map is present", IMG_GIF ".local.color_map.present",
FT_UINT8, BASE_DEC, VALS(vals_true_false), 0x80,
"Indicates if the local color map is present", HFILL }
},
{ &hf_local_color_resolution,
{ "Bits per color minus 1", IMG_GIF ".local.color_bpp",
FT_UINT8, BASE_DEC, NULL, 0x70,
"The number of bits per color is one plus the field value.", HFILL }
},
{ &hf_local_color_map_ordered,
{ "Local color map is ordered", IMG_GIF ".local.color_map.ordered",
FT_UINT8, BASE_DEC, VALS(vals_true_false), 0x08,
"Indicates whether the local color map is ordered.", HFILL }
},
{ &hf_local_image_bpp,
{ "Image bits per pixel minus 1", IMG_GIF ".local.bpp",
FT_UINT8, BASE_DEC, NULL, 0x07,
"The number of bits per pixel is one plus the field value.", HFILL }
},
{ &hf_local_color_map,
{ "Local color map", IMG_GIF ".local.color_map",
FT_BYTES, BASE_NONE, NULL, 0x00,
"Local color map.", HFILL }
},
{ &hf_extension,
{ "Extension", IMG_GIF ".extension",
FT_NONE, BASE_NONE, NULL, 0x00,
"Extension.", HFILL }
},
{ &hf_extension_label,
{ "Extension label", IMG_GIF ".extension.label",
FT_UINT8, BASE_HEX, VALS(vals_extensions), 0x00,
"Extension label.", HFILL }
},
{ &hf_image,
{ "Image", IMG_GIF ".image",
FT_NONE, BASE_NONE, NULL, 0x00,
"Image.", HFILL }
},
{ &hf_image_code_size,
{ "LZW minimum code size", IMG_GIF ".image.code_size",
FT_UINT8, BASE_DEC, NULL, 0x00,
"Minimum code size for the LZW compression.", HFILL }
},
{ &hf_trailer,
{ "Trailer (End of the GIF stream)", IMG_GIF ".end",
FT_NONE, BASE_NONE, NULL, 0x00,
"This byte tells the decoder that the data stream is finished.", HFILL }
},
{ &hf_data_block,
{ "Data block", IMG_GIF ".data_block",
FT_UINT_BYTES, BASE_NONE|BASE_ALLOW_ZERO, NULL, 0x00,
NULL, HFILL }
},
};
#endif
/* Setup protocol subtree array */
static gint *ett[] = {
@ -659,8 +542,6 @@ proto_register_gif(void)
}
};
int proto_gif;
expert_module_t* expert_gif;
/* Register the protocol name and description */
@ -670,11 +551,9 @@ proto_register_gif(void)
IMG_GIF
);
hfi_gif = proto_registrar_get_nth(proto_gif);
/* Required function calls to register the header fields
* and subtrees used */
proto_register_fields(proto_gif, hfi, array_length(hfi));
proto_register_field_array(proto_gif, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_gif = expert_register_protocol(proto_gif);
expert_register_field_array(expert_gif, ei, array_length(ei));
@ -688,8 +567,8 @@ proto_reg_handoff_gif(void)
{
/* Register the GIF media type */
dissector_add_string("media_type", "image/gif", gif_handle);
heur_dissector_add("http", dissect_gif_heur, "GIF file in HTTP", "gif_http", hfi_gif->id, HEURISTIC_ENABLE);
heur_dissector_add("wtap_file", dissect_gif_heur, "GIF file", "gif_wtap", hfi_gif->id, HEURISTIC_ENABLE);
heur_dissector_add("http", dissect_gif_heur, "GIF file in HTTP", "gif_http", proto_gif, HEURISTIC_ENABLE);
heur_dissector_add("wtap_file", dissect_gif_heur, "GIF file", "gif_wtap", proto_gif, HEURISTIC_ENABLE);
}
/*