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Properly handle zero

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This commit is contained in:
Michael Hansen
2014-05-15 23:31:32 -07:00
parent 2048b641d3
commit 1baefdd0f2
1 changed files with 11 additions and 0 deletions
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11
Sources/Plasma/CoreLib/plFormat.cpp
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@ -190,6 +190,11 @@ namespace plFormat_Private
template <typename _IType, size_t bits> template <typename _IType, size_t bits>
void _IFormatNumeric_Impl(char *output_end, _IType value, int radix, bool upperCase = false) void _IFormatNumeric_Impl(char *output_end, _IType value, int radix, bool upperCase = false)
{ {
if (value == 0) {
*(output_end - 1) = '0';
return;
}
while (value) while (value)
{ {
int digit = (value % radix); int digit = (value % radix);
@ -218,6 +223,9 @@ static plStringBuffer<char> _formatNumeric(const plFormat_Private::FormatSpec &f
temp /= radix; temp /= radix;
} }
if (max == 0)
max = 1;
plStringBuffer<char> buffer; plStringBuffer<char> buffer;
if (format.fPrecisionLeft > max) { if (format.fPrecisionLeft > max) {
char *output = buffer.CreateWritableBuffer(format.fPrecisionLeft); char *output = buffer.CreateWritableBuffer(format.fPrecisionLeft);
@ -252,6 +260,9 @@ static plStringBuffer<char> _formatDecimal(const plFormat_Private::FormatSpec &f
temp /= 10; temp /= 10;
} }
if (max == 0)
max = 1;
if (value < 0 || format.fDigitClass == plFormat_Private::kDigitDecAlwaysSigned) if (value < 0 || format.fDigitClass == plFormat_Private::kDigitDecAlwaysSigned)
++max; ++max;