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author | Aki <please@ignore.pl> | 2021-02-24 20:43:11 +0100 |
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committer | Aki <please@ignore.pl> | 2021-02-24 20:43:11 +0100 |
commit | d46748ac59c3b8d8895d2671aa4b1eca3914d1d4 (patch) | |
tree | 1538031a06ab20bf423b9e6d13c7a1e0670ead76 /stream.c | |
parent | 4fdf60a4c9ce16dd459e05ad7664010ea45c43db (diff) | |
download | plop-d46748ac59c3b8d8895d2671aa4b1eca3914d1d4.zip plop-d46748ac59c3b8d8895d2671aa4b1eca3914d1d4.tar.gz plop-d46748ac59c3b8d8895d2671aa4b1eca3914d1d4.tar.bz2 |
Added buffer and garbage collection to stream
Diffstat (limited to 'stream.c')
-rw-r--r-- | stream.c | 26 |
1 files changed, 24 insertions, 2 deletions
@@ -1,11 +1,13 @@ #include "stream.h" +#include <stdlib.h> + #include <lauxlib.h> #include <lua.h> /// Creates and pushes new Stream into the Lua stack. /// \param L Lua state to push to -/// \param fd File descriptor used by stream +/// \param fd File descriptor used by the Stream /// \return TODO int stream_push_new(lua_State * L, const int fd) { @@ -14,10 +16,30 @@ int stream_push_new(lua_State * L, const int fd) if (1 == luaL_newmetatable(L, "stream")) { - // TODO: initialize metatable for stream + lua_pushstring(L, "__gc"); + lua_pushcfunction(L, stream_gc); + lua_rawset(L, -3); } lua_setmetatable(L, -2); return LUA_OK; } + +/// Metamethod to handle garbage collection of Stream userdata. +/// \param L Lua state in which Stream resides +/// \return Always zero, which is the number of the results pushed to the stack +int stream_gc(lua_State * L) +{ + struct stream * s = lua_touserdata(L, -1); + + if (NULL != s) + { + if (NULL != s->in.data) + { + free(s->in.data); + } + } + + return 0; +} |