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/*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 2001 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/* The ideas in this code came from Ed Warnicke's original implementation
* of dranges for the old display filter code (Ethereal 0.8.15 and before).
* The code is different, but definitely inspired by his code.
*/
#include "config.h"
#include <glib.h>
#include <epan/proto.h>
#include "drange.h"
#include "sttype-slice.h"
#include <wsutil/ws_assert.h>
typedef struct {
uint32_t magic;
stnode_t *entity;
drange_t *drange;
} slice_t;
#define SLICE_MAGIC 0xec0990ce
static void *
slice_new(void *junk _U_)
{
slice_t *slice;
ws_assert(junk == NULL);
slice = g_new(slice_t, 1);
slice->magic = SLICE_MAGIC;
slice->entity = NULL;
slice->drange = NULL;
return slice;
}
static void *
slice_dup(gconstpointer data)
{
const slice_t *org = data;
slice_t *slice;
slice = slice_new(NULL);
slice->entity = stnode_dup(org->entity);
slice->drange = drange_dup(org->drange);
return slice;
}
static void
slice_free(void *value)
{
slice_t *slice = value;
ws_assert_magic(slice, SLICE_MAGIC);
if (slice->drange)
drange_free(slice->drange);
if (slice->entity)
stnode_free(slice->entity);
g_free(slice);
}
static char *
slice_tostr(const void *data, bool pretty)
{
const slice_t *slice = data;
ws_assert_magic(slice, SLICE_MAGIC);
char *repr, *drange_str;
drange_str = drange_tostr(slice->drange);
repr = ws_strdup_printf("%s[%s]",
stnode_tostr(slice->entity, pretty),
drange_str);
g_free(drange_str);
return repr;
}
void
sttype_slice_remove_drange(stnode_t *node)
{
slice_t *slice;
slice = stnode_data(node);
ws_assert_magic(slice, SLICE_MAGIC);
slice->drange = NULL;
}
drange_t *
sttype_slice_drange_steal(stnode_t *node)
{
slice_t *slice;
drange_t *dr;
slice = stnode_data(node);
ws_assert_magic(slice, SLICE_MAGIC);
dr = slice->drange;
slice->drange = NULL;
return dr;
}
/* Set a slice */
void
sttype_slice_set(stnode_t *node, stnode_t *entity, GSList* drange_list)
{
slice_t *slice;
slice = stnode_data(node);
ws_assert_magic(slice, SLICE_MAGIC);
slice->entity = entity;
slice->drange = drange_new_from_list(drange_list);
}
void
sttype_slice_set1(stnode_t *node, stnode_t *entity, drange_node *rn)
{
GSList *drange_list = g_slist_append(NULL, rn);
sttype_slice_set(node, entity, drange_list);
g_slist_free(drange_list);
}
void
sttype_slice_set_drange(stnode_t *node, stnode_t *field, drange_t *dr)
{
slice_t *slice;
slice = stnode_data(node);
ws_assert_magic(slice, SLICE_MAGIC);
slice->entity = field;
slice->drange = dr;
}
stnode_t *
sttype_slice_entity(stnode_t *node)
{
slice_t *slice = node->data;
ws_assert_magic(slice, SLICE_MAGIC);
return slice->entity;
}
drange_t *
sttype_slice_drange(stnode_t *node)
{
slice_t *slice = node->data;
ws_assert_magic(slice, SLICE_MAGIC);
return slice->drange;
}
void
sttype_register_slice(void)
{
static sttype_t slice_type = {
STTYPE_SLICE,
"SLICE",
slice_new,
slice_free,
slice_dup,
slice_tostr
};
sttype_register(&slice_type);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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