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Fix printInt when value=INT_MIN (was overflowing)

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This commit is contained in:
Guillaume Beraudo 2014-06-19 14:47:20 +02:00
parent 129f7b7441
commit 481e445e8a
1 changed files with 6 additions and 5 deletions
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11
Util/StringUtil.h
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@ -40,18 +40,19 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// precision: position after decimal point
// length: maximum number of digits including comma and decimals
// work with negative values to prevent overflowing when taking -value
template <int length, int precision> static inline char *printInt(char *buffer, int value)
{
bool minus = false;
if (value < 0)
bool minus = true;
if (value > 0)
{
minus = true;
minus = false;
value = -value;
}
buffer += length - 1;
for (int i = 0; i < precision; i++)
{
*buffer = '0' + (value % 10);
*buffer = '0' - (value % 10);
value /= 10;
buffer--;
}
@ -59,7 +60,7 @@ template <int length, int precision> static inline char *printInt(char *buffer,
buffer--;
for (int i = precision + 1; i < length; i++)
{
*buffer = '0' + (value % 10);
*buffer = '0' - (value % 10);
value /= 10;
if (value == 0)
break;