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| author | daurnimator <quae@daurnimator.com> | 2017-05-21 22:41:17 +1000 |
|---|---|---|
| committer | daurnimator <quae@daurnimator.com> | 2017-05-21 23:53:52 +1000 |
| commit | cc3e3c93585d81304954131a9a3982f0786426b7 (patch) | |
| tree | 27d8728e8b96e9f37255f8169f8bd8d53ad9778d /src/liolib.js | |
| parent | 1dc341ee119d6a997df9978be5d6eeb91fe11939 (diff) | |
| download | fengari-cc3e3c93585d81304954131a9a3982f0786426b7.tar.gz fengari-cc3e3c93585d81304954131a9a3982f0786426b7.tar.bz2 fengari-cc3e3c93585d81304954131a9a3982f0786426b7.zip | |
src/liolib.js: Do more argument checking before bailing out of opening a file
Diffstat (limited to 'src/liolib.js')
| -rw-r--r-- | src/liolib.js | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/liolib.js b/src/liolib.js index 51e18ee..a87309a 100644 --- a/src/liolib.js +++ b/src/liolib.js @@ -80,7 +80,14 @@ const getiofile = function(L, findex) { const g_iofile = function(L, f, mode) { if (!lua.lua_isnoneornil(L, 1)) { - lauxlib.luaL_error(L, lua.to_luastring("opening files not yet implemented")); + let filename = lua.lua_tostring(L, 1); + if (filename) + lauxlib.luaL_error(L, lua.to_luastring("opening files not yet implemented")); + else { + tofile(L); /* check that it's a valid file handle */ + lua.lua_pushvalue(L, 1); + } + lua.lua_setfield(L, lua.LUA_REGISTRYINDEX, f); } /* return current value */ lua.lua_getfield(L, lua.LUA_REGISTRYINDEX, f); |