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Fix help printout iterator edge cases

This commit is contained in:
Jack Andersen 2017-11-13 19:35:00 -10:00
parent 6a797097a4
commit da9b2041f1
1 changed files with 5 additions and 6 deletions
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11
hecl/driver/ToolBase.hpp
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@ -117,11 +117,13 @@ private:
while (it != string.end())
{
hecl::SystemString::iterator v=it;
std::ptrdiff_t v = it - string.begin();
/* copy string until the end of the line is reached */
for (counter=WRAP_INDENT ; counter < m_lineWidth ; ++counter)
{
if (it >= string.end())
return;
if (*it == _S('\n'))
{
counter = WRAP_INDENT;
@ -152,11 +154,8 @@ private:
if (isspace(*k))
{
counter = WRAP_INDENT;
if (k < v)
{
k = it;
string.insert(k, _S('\n'));
}
if (k - string.begin() < v)
k = string.insert(it, _S('\n'));
else
*k = _S('\n');
it = k + 1;