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[apps/probability] Fix UTF8 problem when copying law parameter

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In probability, when displaying the exponential law for instance, the
lambda did not appear correctly.
This commit is contained in:
Léa Saviot
2019-03-19 11:06:34 +01:00
committed by Émilie Feral
parent 193e678fb5
commit cf1fc05e9b
1 changed files with 8 additions and 5 deletions
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13
apps/probability/calculation_controller.cpp
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@@ -281,17 +281,20 @@ void CalculationController::updateTitle() {
if (currentChar >= k_titleBufferSize) {
break;
}
m_titleBuffer[currentChar++] = I18n::translate(m_law->parameterNameAtIndex(index))[0];
strlcpy(m_titleBuffer+currentChar, " = ", k_titleBufferSize - currentChar);
currentChar += 3;
/* strlcpy returns the size of src, not the size copied, but it is not a
* problem here. */
currentChar += strlcpy(m_titleBuffer+currentChar, I18n::translate(m_law->parameterNameAtIndex(index)), k_titleBufferSize - currentChar);
if (currentChar >= k_titleBufferSize) {
break;
}
currentChar += strlcpy(m_titleBuffer+currentChar, " = ", k_titleBufferSize - currentChar);
if (currentChar >= k_titleBufferSize) {
break;
}
constexpr size_t bufferSize = PrintFloat::bufferSizeForFloatsWithPrecision(Constant::ShortNumberOfSignificantDigits);
char buffer[bufferSize];
PrintFloat::convertFloatToText<double>(m_law->parameterValueAtIndex(index), buffer, bufferSize, Constant::ShortNumberOfSignificantDigits, Preferences::PrintFloatMode::Decimal);
strlcpy(m_titleBuffer+currentChar, buffer, k_titleBufferSize - currentChar);
currentChar += strlen(buffer);
currentChar += strlcpy(m_titleBuffer+currentChar, buffer, k_titleBufferSize - currentChar);
if (currentChar >= k_titleBufferSize) {
break;
}