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wireshark
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We only need to print the data corresponding to the field, so fetch only 

that data with a "tvb_get_ptr()".

svn path=/trunk/; revision=3532
This commit is contained in:
Guy Harris 2001-06-08 10:07:55 +00:00
parent 2da9bb2696
commit e52dd802c4
1 changed files with 11 additions and 14 deletions
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25
print.c
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@ -1,7 +1,7 @@
/* print.c
* Routines for printing packet analysis trees.
*
* $Id: print.c,v 1.34 2001/06/08 08:50:49 guy Exp $
* $Id: print.c,v 1.35 2001/06/08 10:07:55 guy Exp $
*
* Gilbert Ramirez <gram@xiexie.org>
*
@ -125,22 +125,21 @@ void proto_tree_print(gboolean print_one_packet, print_args_t *print_args,
* pointer to the data in it.
*/
static const guint8 *
find_data_source(GSList *src_list, gchar *ds_name)
get_field_data(GSList *src_list, field_info *fi)
{
GSList *src;
tvbuff_t *src_tvb;
guint src_tvb_len;
for (src = src_list; src != NULL; src = g_slist_next(src)) {
src_tvb = src->data;
if (strcmp(ds_name, tvb_get_name(src_tvb)) == 0) {
if (strcmp(fi->ds_name, tvb_get_name(src_tvb)) == 0) {
/*
* Found it.
*/
src_tvb_len = tvb_length(src_tvb);
return tvb_get_ptr(src_tvb, 0, src_tvb_len);
return tvb_get_ptr(src_tvb, fi->start, fi->length);
}
}
g_assert_not_reached();
return NULL; /* not found */
}
@ -188,11 +187,10 @@ void proto_tree_print_node_text(GNode *node, gpointer data)
be printing the entire packet in hex). */
if (fi->hfinfo->id == proto_data && pdata->print_hex_for_data) {
/*
* Find the data source tvbuff for this field.
* Find the data for this field.
*/
pd = find_data_source(pdata->src_list, fi->ds_name);
print_hex_data_text(pdata->fh, &pd[fi->start],
fi->length, pdata->encoding);
pd = get_field_data(pdata->src_list, fi);
print_hex_data_text(pdata->fh, pd, fi->length, pdata->encoding);
}
/* If we're printing all levels, or if this level is expanded,
@ -317,11 +315,10 @@ void proto_tree_print_node_ps(GNode *node, gpointer data)
be printing the entire packet in hex). */
if (fi->hfinfo->id == proto_data && pdata->print_hex_for_data) {
/*
* Find the data source tvbuff for this field.
* Find the data for this field.
*/
pd = find_data_source(pdata->src_list, fi->ds_name);
print_hex_data_ps(pdata->fh, &pd[fi->start], fi->length,
pdata->encoding);
pd = get_field_data(pdata->src_list, fi);
print_hex_data_ps(pdata->fh, pd, fi->length, pdata->encoding);
}
/* Recurse into the subtree, if it exists */