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Reuben Thomas wrote:
On Sun, 14 Jan 2007 07:27:42 -0000, Mark Edgar <medgar@student.gc.maricopa.edu> wrote: 


     FILE **pf = lua_newuserdata(L, sizeof *pf);
     *pf = 0;
     luaL_getmetatable(L, LUA_FILEHANDLE);
     lua_setmetatable(L, -2);
     *pf = /* your FILE* here */


Why is *pf initially set to NULL?
If there is any error after allocation, the __gc metamethod in liolib.c won't call fclose() on an uninitialized FILE* value. 

					-Mark