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util-src/table.c @ 7927:7132abcf669e
util.datamanager: Import value of ENOENT from util.pposix (if available)
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 01 Mar 2017 17:04:48 +0100 |
parent | 7889:b8d694646597 |
child | 7936:582bfb39337f |
rev | line source |
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6610
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:
diff
changeset
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1 #include <lua.h> |
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:
diff
changeset
|
2 #include <lauxlib.h> |
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:
diff
changeset
|
3 |
7889
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util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7835
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4 static int Lcreate_table(lua_State *L) { |
6610
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:
diff
changeset
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5 lua_createtable(L, luaL_checkinteger(L, 1), luaL_checkinteger(L, 2)); |
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:
diff
changeset
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6 return 1; |
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:
diff
changeset
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7 } |
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:
diff
changeset
|
8 |
7889
b8d694646597
util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7835
diff
changeset
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9 static int Lpack(lua_State *L) { |
7538
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util.table: Move loop variable to top of function for C89 compatibility
Kim Alvefur <zash@zash.se>
parents:
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10 int arg; |
7519
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
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11 unsigned int n_args = lua_gettop(L); |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
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12 lua_createtable(L, n_args, 1); |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
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13 lua_insert(L, 1); |
7889
b8d694646597
util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7835
diff
changeset
|
14 |
7538
a3a4ed0d34f4
util.table: Move loop variable to top of function for C89 compatibility
Kim Alvefur <zash@zash.se>
parents:
7519
diff
changeset
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15 for(arg = n_args; arg >= 1; arg--) { |
7519
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
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16 lua_rawseti(L, 1, arg); |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
|
17 } |
7889
b8d694646597
util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7835
diff
changeset
|
18 |
7519
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
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19 lua_pushinteger(L, n_args); |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
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20 lua_setfield(L, -2, "n"); |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
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21 return 1; |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
|
22 } |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
|
23 |
7889
b8d694646597
util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7835
diff
changeset
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24 int luaopen_util_table(lua_State *L) { |
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util-src: Make C modules assert that the Lua runtime matches what it was compiled for
Kim Alvefur <zash@zash.se>
parents:
7538
diff
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25 #if (LUA_VERSION_NUM > 501) |
54669df178c2
util-src: Make C modules assert that the Lua runtime matches what it was compiled for
Kim Alvefur <zash@zash.se>
parents:
7538
diff
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26 luaL_checkversion(L); |
54669df178c2
util-src: Make C modules assert that the Lua runtime matches what it was compiled for
Kim Alvefur <zash@zash.se>
parents:
7538
diff
changeset
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27 #endif |
6610
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:
diff
changeset
|
28 lua_newtable(L); |
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:
diff
changeset
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29 lua_pushcfunction(L, Lcreate_table); |
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:
diff
changeset
|
30 lua_setfield(L, -2, "create"); |
7519
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
|
31 lua_pushcfunction(L, Lpack); |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6615
diff
changeset
|
32 lua_setfield(L, -2, "pack"); |
6610
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:
diff
changeset
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33 return 1; |
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:
diff
changeset
|
34 } |