2015-07-07 15:30:44 +00:00
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/*
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* wslua_nstime.c
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*
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* Wireshark's interface to the Lua Programming Language
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*
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* (c) 2006, Luis E. Garcia Ontanon <luis@ontanon.org>
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* (c) 2008, Balint Reczey <balint.reczey@ericsson.com>
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* (c) 2011, Stig Bjorlykke <stig@bjorlykke.org>
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* (c) 2014, Hadriel Kaplan <hadrielk@yahoo.com>
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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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#include "config.h"
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#include "wslua.h"
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2017-06-21 19:46:45 +00:00
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#include <wsutil/nstime.h>
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2015-07-07 15:30:44 +00:00
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/* WSLUA_CONTINUE_MODULE Pinfo */
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2016-04-03 08:58:44 +00:00
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WSLUA_CLASS_DEFINE(NSTime,FAIL_ON_NULL("NSTime"));
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2015-07-07 15:30:44 +00:00
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/* NSTime represents a nstime_t. This is an object with seconds and nanoseconds. */
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WSLUA_CONSTRUCTOR NSTime_new(lua_State *L) {
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/* Creates a new NSTime object. */
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#define WSLUA_OPTARG_NSTime_new_SECONDS 1 /* Seconds. */
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#define WSLUA_OPTARG_NSTime_new_NSECONDS 2 /* Nano seconds. */
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NSTime nstime = (NSTime)g_malloc(sizeof(nstime_t));
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if (!nstime) return 0;
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nstime->secs = (time_t) luaL_optinteger(L,WSLUA_OPTARG_NSTime_new_SECONDS,0);
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nstime->nsecs = (int) luaL_optinteger(L,WSLUA_OPTARG_NSTime_new_NSECONDS,0);
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pushNSTime(L,nstime);
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WSLUA_RETURN(1); /* The new NSTime object. */
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}
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WSLUA_METAMETHOD NSTime__call(lua_State* L) { /* Creates a NSTime object. */
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#define WSLUA_OPTARG_NSTime__call_SECONDS 1 /* Seconds. */
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#define WSLUA_OPTARG_NSTime__call_NSECONDS 2 /* Nanoseconds. */
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lua_remove(L,1); /* remove the table */
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WSLUA_RETURN(NSTime_new(L)); /* The new NSTime object. */
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}
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2017-06-21 19:46:45 +00:00
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WSLUA_METHOD NSTime_tonumber(lua_State* L) {
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/* Returns a Lua number of the `NSTime` representing seconds from epoch
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* @since 2.4.0
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* */
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NSTime nstime = checkNSTime(L,1);
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lua_pushnumber(L, (lua_Number)nstime_to_sec(nstime));
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WSLUA_RETURN(1); /* The Lua number. */
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}
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2015-07-07 15:30:44 +00:00
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WSLUA_METAMETHOD NSTime__tostring(lua_State* L) {
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NSTime nstime = checkNSTime(L,1);
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gchar *str;
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str = wmem_strdup_printf(NULL, "%ld.%09d", (long)nstime->secs, nstime->nsecs);
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lua_pushstring(L, str);
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wmem_free(NULL, str);
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WSLUA_RETURN(1); /* The string representing the nstime. */
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}
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WSLUA_METAMETHOD NSTime__add(lua_State* L) { /* Calculates the sum of two NSTimes. */
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NSTime time1 = checkNSTime(L,1);
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NSTime time2 = checkNSTime(L,2);
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NSTime time3 = (NSTime)g_malloc (sizeof (nstime_t));
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nstime_sum (time3, time1, time2);
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pushNSTime (L, time3);
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return 1;
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}
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WSLUA_METAMETHOD NSTime__sub(lua_State* L) { /* Calculates the diff of two NSTimes. */
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NSTime time1 = checkNSTime(L,1);
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NSTime time2 = checkNSTime(L,2);
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NSTime time3 = (NSTime)g_malloc (sizeof (nstime_t));
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nstime_delta (time3, time1, time2);
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pushNSTime (L, time3);
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return 1;
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}
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WSLUA_METAMETHOD NSTime__unm(lua_State* L) { /* Calculates the negative NSTime. */
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NSTime time1 = checkNSTime(L,1);
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NSTime time2 = (NSTime)g_malloc (sizeof (nstime_t));
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nstime_set_zero (time2);
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nstime_subtract (time2, time1);
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pushNSTime (L, time2);
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return 1;
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}
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WSLUA_METAMETHOD NSTime__eq(lua_State* L) { /* Compares two NSTimes. */
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NSTime time1 = checkNSTime(L,1);
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NSTime time2 = checkNSTime(L,2);
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gboolean result = FALSE;
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if (nstime_cmp(time1, time2) == 0)
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result = TRUE;
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lua_pushboolean(L,result);
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return 1;
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}
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WSLUA_METAMETHOD NSTime__le(lua_State* L) { /* Compares two NSTimes. */
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NSTime time1 = checkNSTime(L,1);
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NSTime time2 = checkNSTime(L,2);
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gboolean result = FALSE;
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if (nstime_cmp(time1, time2) <= 0)
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result = TRUE;
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lua_pushboolean(L,result);
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return 1;
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}
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WSLUA_METAMETHOD NSTime__lt(lua_State* L) { /* Compares two NSTimes. */
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NSTime time1 = checkNSTime(L,1);
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NSTime time2 = checkNSTime(L,2);
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gboolean result = FALSE;
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if (nstime_cmp(time1, time2) < 0)
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result = TRUE;
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lua_pushboolean(L,result);
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return 1;
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}
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/* WSLUA_ATTRIBUTE NSTime_secs RW The NSTime seconds. */
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WSLUA_ATTRIBUTE_NUMBER_GETTER(NSTime,secs);
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WSLUA_ATTRIBUTE_NUMBER_SETTER(NSTime,secs,time_t);
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/* WSLUA_ATTRIBUTE NSTime_nsecs RW The NSTime nano seconds. */
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WSLUA_ATTRIBUTE_NUMBER_GETTER(NSTime,nsecs);
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WSLUA_ATTRIBUTE_NUMBER_SETTER(NSTime,nsecs,int);
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/* Gets registered as metamethod automatically by WSLUA_REGISTER_CLASS/META */
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static int NSTime__gc(lua_State* L) {
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NSTime nstime = toNSTime(L,1);
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if (!nstime) return 0;
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g_free (nstime);
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return 0;
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}
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/* This table is ultimately registered as a sub-table of the class' metatable,
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* and if __index/__newindex is invoked then it calls the appropriate function
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* from this table for getting/setting the members.
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*/
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WSLUA_ATTRIBUTES NSTime_attributes[] = {
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WSLUA_ATTRIBUTE_RWREG(NSTime,secs),
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WSLUA_ATTRIBUTE_RWREG(NSTime,nsecs),
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{ NULL, NULL, NULL }
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};
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WSLUA_METHODS NSTime_methods[] = {
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WSLUA_CLASS_FNREG(NSTime,new),
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2017-06-21 19:46:45 +00:00
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WSLUA_CLASS_FNREG(NSTime,tonumber),
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{ NULL, NULL }
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};
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WSLUA_META NSTime_meta[] = {
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WSLUA_CLASS_MTREG(NSTime,tostring),
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WSLUA_CLASS_MTREG(NSTime,add),
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WSLUA_CLASS_MTREG(NSTime,sub),
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WSLUA_CLASS_MTREG(NSTime,unm),
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WSLUA_CLASS_MTREG(NSTime,eq),
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WSLUA_CLASS_MTREG(NSTime,le),
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WSLUA_CLASS_MTREG(NSTime,lt),
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WSLUA_CLASS_MTREG(NSTime,call),
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{ NULL, NULL }
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};
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int NSTime_register(lua_State* L) {
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WSLUA_REGISTER_CLASS(NSTime);
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WSLUA_REGISTER_ATTRIBUTES(NSTime);
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return 0;
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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: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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