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util.pposix: Verify that file handle is open

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Kim Alvefur 2013-11-28 16:12:40 +01:00
parent 7e594b0b3c
commit 6d5db18948
1 changed files with 2 additions and 0 deletions
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2
util-src/pposix.c
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@ -666,6 +666,8 @@ int lc_fallocate(lua_State* L)
{
off_t offset, len;
FILE *f = *(FILE**) luaL_checkudata(L, 1, LUA_FILEHANDLE);
if (f == NULL)
luaL_error(L, "attempt to use a closed file");
offset = luaL_checkinteger(L, 2);
len = luaL_checkinteger(L, 3);