forked from osmocom/wireshark
192 lines
3.3 KiB
C
192 lines
3.3 KiB
C
/*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 2001 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/* The ideas in this code came from Ed Warnicke's original implementation
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* of dranges for the old display filter code (Ethereal 0.8.15 and before).
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* The code is different, but definitely inspired by his code.
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*/
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#include "config.h"
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#include <glib.h>
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#include <epan/proto.h>
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#include "drange.h"
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#include "sttype-slice.h"
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#include <wsutil/ws_assert.h>
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typedef struct {
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guint32 magic;
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stnode_t *entity;
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drange_t *drange;
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} slice_t;
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#define SLICE_MAGIC 0xec0990ce
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static gpointer
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slice_new(gpointer junk _U_)
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{
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slice_t *slice;
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ws_assert(junk == NULL);
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slice = g_new(slice_t, 1);
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slice->magic = SLICE_MAGIC;
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slice->entity = NULL;
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slice->drange = NULL;
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return slice;
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}
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static gpointer
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slice_dup(gconstpointer data)
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{
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const slice_t *org = data;
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slice_t *slice;
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slice = slice_new(NULL);
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slice->entity = stnode_dup(org->entity);
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slice->drange = drange_dup(org->drange);
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return slice;
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}
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static void
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slice_free(gpointer value)
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{
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slice_t *slice = value;
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ws_assert_magic(slice, SLICE_MAGIC);
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if (slice->drange)
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drange_free(slice->drange);
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if (slice->entity)
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stnode_free(slice->entity);
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g_free(slice);
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}
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static char *
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slice_tostr(const void *data, gboolean pretty)
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{
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const slice_t *slice = data;
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ws_assert_magic(slice, SLICE_MAGIC);
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char *repr, *drange_str;
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drange_str = drange_tostr(slice->drange);
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repr = ws_strdup_printf("%s[%s]",
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stnode_tostr(slice->entity, pretty),
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drange_str);
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g_free(drange_str);
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return repr;
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}
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void
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sttype_slice_remove_drange(stnode_t *node)
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{
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slice_t *slice;
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slice = stnode_data(node);
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ws_assert_magic(slice, SLICE_MAGIC);
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slice->drange = NULL;
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}
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drange_t *
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sttype_slice_drange_steal(stnode_t *node)
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{
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slice_t *slice;
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drange_t *dr;
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slice = stnode_data(node);
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ws_assert_magic(slice, SLICE_MAGIC);
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dr = slice->drange;
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slice->drange = NULL;
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return dr;
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}
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/* Set a slice */
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void
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sttype_slice_set(stnode_t *node, stnode_t *entity, GSList* drange_list)
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{
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slice_t *slice;
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slice = stnode_data(node);
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ws_assert_magic(slice, SLICE_MAGIC);
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slice->entity = entity;
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slice->drange = drange_new_from_list(drange_list);
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}
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void
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sttype_slice_set1(stnode_t *node, stnode_t *entity, drange_node *rn)
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{
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sttype_slice_set(node, entity, g_slist_append(NULL, rn));
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}
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void
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sttype_slice_set_drange(stnode_t *node, stnode_t *field, drange_t *dr)
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{
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slice_t *slice;
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slice = stnode_data(node);
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ws_assert_magic(slice, SLICE_MAGIC);
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slice->entity = field;
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slice->drange = dr;
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}
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stnode_t *
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sttype_slice_entity(stnode_t *node)
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{
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slice_t *slice = node->data;
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ws_assert_magic(slice, SLICE_MAGIC);
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return slice->entity;
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}
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drange_t *
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sttype_slice_drange(stnode_t *node)
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{
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slice_t *slice = node->data;
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ws_assert_magic(slice, SLICE_MAGIC);
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return slice->drange;
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}
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void
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sttype_register_slice(void)
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{
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static sttype_t slice_type = {
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STTYPE_SLICE,
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"SLICE",
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slice_new,
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slice_free,
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slice_dup,
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slice_tostr
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};
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sttype_register(&slice_type);
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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