135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2016-2018 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "_sys.h"
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#include <stdlib.h>
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#if defined(HAVE_SYS_TIME_H)
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# include <sys/time.h>
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#endif
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#if defined(HAVE_TIME_H)
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# include <time.h>
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#endif
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static hcl_pfrc_t pf_sys_time (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_ntime_t now;
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hcl_oop_t tv;
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hcl->vmprim.vm_gettime(hcl, &now); /* should I use time() instead? */
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tv = hcl_oowtoint(hcl, now.sec);
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if (!tv) return HCL_PF_FAILURE;
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HCL_STACK_SETRET (hcl, nargs, tv);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_sys_stime (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t t;
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hcl_ooi_t ti;
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t = HCL_STACK_GETARG(hcl, nargs, 0);
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if (hcl_inttoooi(hcl, t, &ti) == 0)
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{
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const hcl_ooch_t* orgmsg = hcl_backuperrmsg(hcl);
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hcl_seterrbfmt (hcl, HCL_EINVAL, "unacceptiable time value - %O - %js", t, orgmsg);
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return HCL_PF_FAILURE;
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}
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/* ---------------------------------------------------------------- */
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#if defined(HAVE_SETTIMEOFDAY)
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{
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struct timeval tv;
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tv.tv_sec = ti;
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tv.tv_usec = 0;
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settimeofday (&tv, HCL_NULL);
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}
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#else
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{
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time_t tv;
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tv = ti;
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stime (&tv);
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}
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#endif
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/* ---------------------------------------------------------------- */
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HCL_STACK_SETRET (hcl, nargs, hcl->_nil);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_sys_srandom (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t seed;
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hcl_oow_t seedw;
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seed = HCL_STACK_GETARG(hcl, nargs, 0);
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if (hcl_inttooow(hcl, seed, &seedw) == 0)
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{
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const hcl_ooch_t* orgmsg = hcl_backuperrmsg(hcl);
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hcl_seterrbfmt (hcl, HCL_EINVAL, "unacceptiable seed - %O - %js", seed, orgmsg);
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return HCL_PF_FAILURE;
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}
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srandom (seedw);
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HCL_STACK_SETRET (hcl, nargs, hcl->_nil);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_sys_random (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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long int r = random();
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hcl_ooi_t rv = (hcl_ooi_t)(r % HCL_SMOOI_MAX);
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HCL_STACK_SETRET (hcl, nargs, HCL_SMOOI_TO_OOP(rv));
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return HCL_PF_SUCCESS;
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}
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static hcl_pfinfo_t pfinfos[] =
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{
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{ { 'r','a','n','d','o','m','\0' }, { HCL_PFBASE_FUNC, pf_sys_random, 0, 0 } },
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{ { 's','r','a','n','d','o','m','\0' }, { HCL_PFBASE_FUNC, pf_sys_srandom, 1, 1 } },
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{ { 's','t','i','m','e','\0' }, { HCL_PFBASE_FUNC, pf_sys_stime, 1, 1 } },
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{ { 't','i','m','e','\0' }, { HCL_PFBASE_FUNC, pf_sys_time, 0, 0 } }
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};
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/* ------------------------------------------------------------------------ */
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static hcl_pfbase_t* query (hcl_t* hcl, hcl_mod_t* mod, const hcl_ooch_t* name, hcl_oow_t namelen)
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{
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return hcl_findpfbase(hcl, pfinfos, HCL_COUNTOF(pfinfos), name, namelen);
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}
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static void unload (hcl_t* hcl, hcl_mod_t* mod)
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{
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}
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int hcl_mod_sys (hcl_t* hcl, hcl_mod_t* mod)
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{
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mod->query = query;
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mod->unload = unload;
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mod->ctx = HCL_NULL;
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return 0;
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}
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