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https://github.com/Llewellynvdm/conky.git
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c352069b31
Nested exec expressions like ${execp echo '${execp echo hi}'} are not
evaluated correctly because parsing expressions like these generates and
registers new callbacks but we never wait for these callbacks to
complete before returning the result of the evaluation.
Fix this by re-evaluating expressions after running all pending
callbacks.
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
/*
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*
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* Conky, a system monitor, based on torsmo
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*
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* Any original torsmo code is licensed under the BSD license
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*
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* All code written since the fork of torsmo is licensed under the GPL
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*
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* Please see COPYING for details
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*
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* Copyright (c) 2005-2019 Brenden Matthews, Philip Kovacs, et. al.
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* (see AUTHORS)
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "catch2/catch.hpp"
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#include "conky.h"
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#include "lua-config.hh"
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TEST_CASE("Expressions can be evaluated", "[evaluate]") {
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state = std::make_unique<lua::state>();
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conky::export_symbols(*state);
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SECTION("Simple expressions without substitutions can be evaluated") {
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constexpr int kMaxSize = 10;
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const char input[kMaxSize] = "text";
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char result[kMaxSize]{'\0'};
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evaluate(input, result, kMaxSize);
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REQUIRE(strncmp(input, result, kMaxSize) == 0);
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}
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SECTION("execs can be evaluated") {
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constexpr int kMaxSize = 50;
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const char input[kMaxSize] = "${exec echo text}";
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char result[kMaxSize]{'\0'};
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evaluate(input, result, kMaxSize);
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REQUIRE(strncmp("text", result, kMaxSize) == 0);
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}
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SECTION("execp echo without other substitutions can be evaluated") {
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constexpr int kMaxSize = 50;
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const char input[kMaxSize] = "${execp echo text}";
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char result[kMaxSize]{'\0'};
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evaluate(input, result, kMaxSize);
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REQUIRE(strncmp("text", result, kMaxSize) == 0);
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}
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}
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