/*
* POSIX library for Lua 5.1, 5.2 & 5.3.
* (c) Gary V. Vaughan <gary@vaughan.pe>, 2013-2015
* (c) Reuben Thomas <rrt@sc3d.org> 2010-2013
* (c) Natanael Copa <natanael.copa@gmail.com> 2008-2010
* Clean up and bug fixes by Leo Razoumov <slonik.az@gmail.com> 2006-10-11
* Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> 07 Apr 2006 23:17:49
* Based on original by Claudio Terra for Lua 3.x.
* With contributions by Roberto Ierusalimschy.
* With documentation from Steve Donovan 2012
*/
/***
Get and Set System Date and Time.
@module posix.sys.time
*/
#include <config.h>
#include <sys/time.h>
#include "_helpers.c"
/***
Time value.
@table PosixTimeval
@int tv_sec seconds elapsed
@int tv_usec remainder in microseconds
@see posix.time.PosixTimespec
*/
static int
pushtimeval(lua_State *L, struct timeval *tv)
{
if (!tv)
return lua_pushnil(L), 1;
lua_createtable(L, 0, 2);
setintegerfield(tv, tv_sec);
setintegerfield(tv, tv_usec);
settypemetatable("PosixTimeval");
return 1;
}
/***
Get time of day.
@function gettimeofday
@treturn PosixTimeval time elapsed since *epoch*
@see gettimeofday(2)
*/
static int
Pgettimeofday(lua_State *L)
{
struct timeval tv;
checknargs(L, 0);
if (gettimeofday(&tv, NULL) == -1)
return pusherror(L, "gettimeofday");
return pushtimeval(L, &tv);
}
static const luaL_Reg posix_sys_time_fns[] =
{
LPOSIX_FUNC( Pgettimeofday ),
{NULL, NULL}
};
LUALIB_API int
luaopen_posix_sys_time(lua_State *L)
{
luaL_register(L, "posix.sys.time", posix_sys_time_fns);
lua_pushliteral(L, "posix.sys.time for " LUA_VERSION " / " PACKAGE_STRING);
lua_setfield(L, -2, "version");
return 1;
}