![Guy Harris](/assets/img/avatar_default.png)
Change-Id: I2941bb7e6dc0fce3e1256af6e5e19d2997de5801 Reviewed-on: https://code.wireshark.org/review/7573 Reviewed-by: Guy Harris <guy@alum.mit.edu>
234 lines
5.2 KiB
C
234 lines
5.2 KiB
C
/* tap-protohierstat.c
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* protohierstat 2002 Ronnie Sahlberg
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* This module provides ProtocolHierarchyStatistics for tshark */
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "epan/epan_dissect.h"
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#include <epan/tap.h>
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#include <epan/stat_tap_ui.h>
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void register_tap_listener_protohierstat(void);
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typedef struct _phs_t {
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struct _phs_t *sibling;
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struct _phs_t *child;
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struct _phs_t *parent;
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char *filter;
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int protocol;
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const char *proto_name;
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guint32 frames;
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guint64 bytes;
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} phs_t;
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static phs_t *
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new_phs_t(phs_t *parent)
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{
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phs_t *rs;
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rs = g_new(phs_t, 1);
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rs->sibling = NULL;
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rs->child = NULL;
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rs->parent = parent;
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rs->filter = NULL;
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rs->protocol = -1;
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rs->proto_name = NULL;
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rs->frames = 0;
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rs->bytes = 0;
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return rs;
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}
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static int
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protohierstat_packet(void *prs, packet_info *pinfo, epan_dissect_t *edt, const void *dummy _U_)
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{
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phs_t *rs = (phs_t *)prs;
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phs_t *tmprs;
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proto_node *node;
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field_info *fi;
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if (!edt) {
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return 0;
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}
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if (!edt->tree) {
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return 0;
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}
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if (!edt->tree->first_child) {
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return 0;
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}
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for (node=edt->tree->first_child; node; node=node->next) {
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fi = PNODE_FINFO(node);
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/* first time we saw a protocol at this leaf */
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if (rs->protocol == -1) {
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rs->protocol = fi->hfinfo->id;
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rs->proto_name = fi->hfinfo->abbrev;
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rs->frames = 1;
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rs->bytes = pinfo->fd->pkt_len;
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rs->child = new_phs_t(rs);
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rs = rs->child;
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continue;
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}
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/* find this protocol in the list of siblings */
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for (tmprs=rs; tmprs; tmprs=tmprs->sibling) {
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if (tmprs->protocol == fi->hfinfo->id) {
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break;
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}
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}
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/* not found, then we must add it to the end of the list */
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if (!tmprs) {
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for (tmprs=rs; tmprs->sibling; tmprs=tmprs->sibling)
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;
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tmprs->sibling = new_phs_t(rs->parent);
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rs = tmprs->sibling;
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rs->protocol = fi->hfinfo->id;
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rs->proto_name = fi->hfinfo->abbrev;
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} else {
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rs = tmprs;
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}
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rs->frames++;
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rs->bytes += pinfo->fd->pkt_len;
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if (!rs->child) {
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rs->child = new_phs_t(rs);
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}
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rs = rs->child;
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}
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return 1;
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}
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static void
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phs_draw(phs_t *rs, int indentation)
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{
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int i, stroff;
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#define MAXPHSLINE 80
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char str[MAXPHSLINE];
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for (;rs;rs = rs->sibling) {
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if (rs->protocol == -1) {
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return;
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}
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str[0] = 0;
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stroff = 0;
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for (i=0; i<indentation; i++) {
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if (i > 15) {
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stroff += g_snprintf(str+stroff, MAXPHSLINE-stroff, "...");
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break;
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}
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stroff += g_snprintf(str+stroff, MAXPHSLINE-stroff, " ");
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}
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g_snprintf(str+stroff, MAXPHSLINE-stroff, "%s", rs->proto_name);
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printf("%-40s frames:%u bytes:%" G_GINT64_MODIFIER "u\n", str, rs->frames, rs->bytes);
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phs_draw(rs->child, indentation+1);
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}
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}
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static void
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protohierstat_draw(void *prs)
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{
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phs_t *rs = (phs_t *)prs;
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printf("\n");
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printf("===================================================================\n");
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printf("Protocol Hierarchy Statistics\n");
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printf("Filter: %s\n\n", rs->filter ? rs->filter : "");
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phs_draw(rs, 0);
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printf("===================================================================\n");
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}
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static void
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protohierstat_init(const char *opt_arg, void *userdata _U_)
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{
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phs_t *rs;
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int pos = 0;
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const char *filter = NULL;
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GString *error_string;
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if (strcmp("io,phs", opt_arg) == 0) {
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/* No arguments */
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} else if (sscanf(opt_arg, "io,phs,%n", &pos) == 0) {
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if (pos) {
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filter = opt_arg+pos;
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}
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} else {
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fprintf(stderr, "tshark: invalid \"-z io,phs[,<filter>]\" argument\n");
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exit(1);
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}
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rs = new_phs_t(NULL);
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if (filter) {
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rs->filter = g_strdup(filter);
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} else {
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rs->filter = NULL;
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}
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error_string = register_tap_listener("frame", rs, filter, TL_REQUIRES_PROTO_TREE, NULL, protohierstat_packet, protohierstat_draw);
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if (error_string) {
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/* error, we failed to attach to the tap. clean up */
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g_free(rs->filter);
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g_free(rs);
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fprintf(stderr, "tshark: Couldn't register io,phs tap: %s\n",
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error_string->str);
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g_string_free(error_string, TRUE);
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exit(1);
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}
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}
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static stat_tap_ui protohierstat_ui = {
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REGISTER_STAT_GROUP_GENERIC,
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NULL,
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"io,phs",
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protohierstat_init,
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0,
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NULL
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};
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void
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register_tap_listener_protohierstat(void)
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{
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register_stat_tap_ui(&protohierstat_ui, NULL);
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}
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/*
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* Editor modelines - http://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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