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Fix integer underflow in the WUPSConfigItemMultipleValues

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This commit is contained in:
Maschell 2018-09-14 12:59:37 +02:00
parent 44f373d3e2
commit 0d80bd2183
1 changed files with 2 additions and 3 deletions
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5
src/config/WUPSConfigItemMultipleValues.cpp
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@ -91,9 +91,8 @@ void WUPSConfigItemMultipleValues::onSelected(bool isSelected) {
void WUPSConfigItemMultipleValues::onButtonPressed(WUPSConfigButtons buttons) { void WUPSConfigItemMultipleValues::onButtonPressed(WUPSConfigButtons buttons) {
uint32_t previousValue = valueIndex; uint32_t previousValue = valueIndex;
if(buttons & WUPS_CONFIG_BUTTON_LEFT) { if(buttons & WUPS_CONFIG_BUTTON_LEFT) {
valueIndex--; if(valueIndex != 0){
if(valueIndex < 0) { valueIndex--;
valueIndex = 0;
} }
} }
if(buttons & WUPS_CONFIG_BUTTON_RIGHT && values.size() > 0) { if(buttons & WUPS_CONFIG_BUTTON_RIGHT && values.size() > 0) {