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lib/flua/libjail: Allow empty params table
The name or jid always gets added to the params, and that's enough to avoid allocating a 0 length params array. Reported by: kevans Reviewed by: kevans MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D28778
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@ -113,7 +113,6 @@ l_getparams(lua_State *L)
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"expected a jail name (string) or id (integer)");
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"expected a jail name (string) or id (integer)");
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luaL_checktype(L, 2, LUA_TTABLE);
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luaL_checktype(L, 2, LUA_TTABLE);
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params_count = 1 + lua_rawlen(L, 2);
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params_count = 1 + lua_rawlen(L, 2);
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luaL_argcheck(L, params_count > 1, 2, "expected #params > 0");
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flags = luaL_optinteger(L, 3, 0);
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flags = luaL_optinteger(L, 3, 0);
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params = malloc(params_count * sizeof(struct jailparam));
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params = malloc(params_count * sizeof(struct jailparam));
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@ -236,7 +235,6 @@ l_setparams(lua_State *L)
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lua_pushnil(L);
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lua_pushnil(L);
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for (params_count = 1; lua_next(L, 2) != 0; ++params_count)
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for (params_count = 1; lua_next(L, 2) != 0; ++params_count)
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lua_pop(L, 1);
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lua_pop(L, 1);
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luaL_argcheck(L, params_count > 1, 2, "expected #params > 0");
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flags = luaL_optinteger(L, 3, 0);
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flags = luaL_optinteger(L, 3, 0);
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