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62 lines
1.9 KiB
62 lines
1.9 KiB
/*****************************************************************************
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* rand.c: random number/bytes generation functions
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*****************************************************************************
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* Copyright (C) 2007-2018 the VideoLAN team
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_rand.h>
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#include "../vlc.h"
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#include "../libs.h"
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static int vlclua_rand_number( lua_State *L )
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{
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long rand = vlc_lrand48();
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lua_pushnumber( L, rand );
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return 1;
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}
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static int vlclua_rand_bytes( lua_State *L )
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{
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lua_Integer i_size = luaL_checkinteger( L, 1 );
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char* p_buff = malloc( i_size * sizeof( *p_buff ) );
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if ( unlikely( p_buff == NULL ) )
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return vlclua_error( L );
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vlc_rand_bytes( p_buff, i_size );
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lua_pushlstring( L, p_buff, i_size );
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free( p_buff );
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return 1;
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}
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static const luaL_Reg vlclua_rand_reg[] = {
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{ "number", vlclua_rand_number },
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{ "bytes", vlclua_rand_bytes },
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{ NULL, NULL }
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};
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void luaopen_rand( lua_State *L )
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{
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lua_newtable( L );
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luaL_register( L, NULL, vlclua_rand_reg );
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lua_setfield( L, -2, "rand" );
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}
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