prosody
8ad1fe9d26d4
util-src/time.c

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util-src/time.c @ 9162:8ad1fe9d26d4

util.time: Convert to C
author Kim Alvefur <zash@zash.se>
date Thu, 09 Mar 2017 04:34:28 +0100
child 9163:6b1f46730217
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9161:da154ced7de4 9162:8ad1fe9d26d4
1 #define _POSIX_C_SOURCE 199309L
2
3 #include <time.h>
4 #include <lua.h>
5
6 lua_Number tv2number(struct timespec *tv) {
7 return tv->tv_sec + tv->tv_nsec * 1e-9;
8 }
9
10 int lc_time_realtime(lua_State *L) {
11 struct timespec t;
12 clock_gettime(CLOCK_REALTIME, &t);
13 lua_pushnumber(L, tv2number(&t));
14 return 1;
15 }
16
17 int luaopen_util_time(lua_State *L) {
18 lua_createtable(L, 0, 2);
19 {
20 lua_pushcfunction(L, lc_time_realtime);
21 lua_setfield(L, -2, "now");
22 }
23 return 1;
24 }