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ProcessCompositeInput: ensure we dont cause UB on memcmp

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This commit is contained in:
Lion Kortlepel 2020-11-08 14:31:15 +01:00
parent e42256dd5f
commit b9758ddaea
1 changed files with 2 additions and 2 deletions
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4
src/Console.cpp
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@ -129,7 +129,7 @@ static std::string CompositeInput;
static bool CompositeInputExpected { false };
static void ProcessCompositeInput() {
if (memcmp(CompositeInput.data(), std::array<char, 2> { 91, 65 }.data(), 2) == 0) {
if (CompositeInput.size() == 2 && memcmp(CompositeInput.data(), std::array<char, 2> { 91, 65 }.data(), 2) == 0) {
// UP ARROW
if (!ConsoleHistory.empty()) {
if (ConsoleHistoryReadIndex != 0) {
@ -137,7 +137,7 @@ static void ProcessCompositeInput() {
}
CInputBuff = ConsoleHistory.at(ConsoleHistoryReadIndex);
}
} else if (memcmp(CompositeInput.data(), std::array<char, 2> { 91, 66 }.data(), 2) == 0) {
} else if (CompositeInput.size() == 2 && memcmp(CompositeInput.data(), std::array<char, 2> { 91, 66 }.data(), 2) == 0) {
// DOWN ARROW
if (!ConsoleHistory.empty()) {
if (ConsoleHistoryReadIndex != ConsoleHistory.size() - 1) {