author | Kim Alvefur <zash@zash.se> |
Thu, 02 Mar 2017 00:46:32 +0100 | |
changeset 7939 | 582bfb39337f |
parent 7892 | b8d694646597 |
child 7972 | 1c6a07606309 |
permissions | -rw-r--r-- |
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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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#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
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#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
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3 |
|
7892
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util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7838
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4 |
static int Lcreate_table(lua_State *L) { |
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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:
diff
changeset
|
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
|
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
|
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 |
|
7892
b8d694646597
util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7838
diff
changeset
|
9 |
static int Lpack(lua_State *L) { |
7522
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6618
diff
changeset
|
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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:
6618
diff
changeset
|
11 |
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:
6618
diff
changeset
|
12 |
lua_insert(L, 1); |
7892
b8d694646597
util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7838
diff
changeset
|
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|
7939
582bfb39337f
Backed out changeset a3a4ed0d34f4 C99 is ok
Kim Alvefur <zash@zash.se>
parents:
7892
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changeset
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for(int arg = n_args; arg >= 1; arg--) { |
7522
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6618
diff
changeset
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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:
6618
diff
changeset
|
16 |
} |
7892
b8d694646597
util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7838
diff
changeset
|
17 |
|
7522
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6618
diff
changeset
|
18 |
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:
6618
diff
changeset
|
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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:
6618
diff
changeset
|
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return 1; |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6618
diff
changeset
|
21 |
} |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6618
diff
changeset
|
22 |
|
7892
b8d694646597
util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents:
7838
diff
changeset
|
23 |
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:
7541
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24 |
#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:
7541
diff
changeset
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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:
7541
diff
changeset
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#endif |
6613
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
|
27 |
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
|
28 |
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
|
29 |
lua_setfield(L, -2, "create"); |
7522
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6618
diff
changeset
|
30 |
lua_pushcfunction(L, Lpack); |
d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
Matthew Wild <mwild1@gmail.com>
parents:
6618
diff
changeset
|
31 |
lua_setfield(L, -2, "pack"); |
6613
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
|
32 |
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
|
33 |
} |