prosody
4e2b019ff176
util-src/table.c

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util-src/table.c @ 7603:4e2b019ff176

net.server_epoll: Make sure wantwrite is set when starting TLS
author Kim Alvefur <zash@zash.se>
date Thu, 18 Aug 2016 17:17:16 +0200
parent 7538:a3a4ed0d34f4
child 7818:54669df178c2
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rev   line source
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7c4cf87f4dff util.table, Makefile: New C module that allows pre-allocation of tables to improve performance and decrease memory fragmentation
Matthew Wild <mwild1@gmail.com>
parents:
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1 #include <lua.h>
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2 #include <lauxlib.h>
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3
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4 static int Lcreate_table(lua_State* L) {
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5 lua_createtable(L, luaL_checkinteger(L, 1), luaL_checkinteger(L, 2));
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6 return 1;
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7 }
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8
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9 static int Lpack(lua_State* L) {
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10 int arg;
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11 unsigned int n_args = lua_gettop(L);
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12 lua_createtable(L, n_args, 1);
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13 lua_insert(L, 1);
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14 for(arg = n_args; arg >= 1; arg--) {
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15 lua_rawseti(L, 1, arg);
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16 }
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17 lua_pushinteger(L, n_args);
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18 lua_setfield(L, -2, "n");
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19 return 1;
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20 }
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21
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22
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23 int luaopen_util_table(lua_State* L) {
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24 lua_newtable(L);
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25 lua_pushcfunction(L, Lcreate_table);
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26 lua_setfield(L, -2, "create");
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27 lua_pushcfunction(L, Lpack);
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28 lua_setfield(L, -2, "pack");
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29 return 1;
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30 }