DevWiki/calculator
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Wstring view overrun (#884)

Browse Source
This commit is contained in:
Scott Freeman
2020-01-06 16:44:40 -05:00
committed by Matt Cooley
parent fb18b639e3
commit 563404fd99
2 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/CalcManager/CEngine/scidisp.cpp
View File

@@ -215,10 +215,12 @@ int CCalcEngine::IsNumberInvalid(const wstring& numberString, int iMaxExp, int i
\****************************************************************************/
vector<uint32_t> CCalcEngine::DigitGroupingStringToGroupingVector(wstring_view groupingString)
{
vector<uint32_t> grouping{};
vector<uint32_t> grouping;
uint32_t currentGroup = 0;
wchar_t* next = nullptr;
for (const wchar_t* itr = groupingString.data(); *itr != L'\0'; ++itr)
const wchar_t* begin = groupingString.data();
const wchar_t* end = begin + groupingString.length();
for (auto itr = begin; itr != end; ++itr)
{
// Try to parse a grouping number from the string
currentGroup = wcstoul(itr, &next, 10);
@@ -232,7 +234,7 @@ vector<uint32_t> CCalcEngine::DigitGroupingStringToGroupingVector(wstring_view g
// If we found a grouping and aren't at the end of the string yet,
// jump to the next position in the string (the ';').
// The loop will then increment us to the next character, which should be a number.
if (next && (static_cast<size_t>(next - groupingString.data()) < groupingString.length()))
if (next && (static_cast<size_t>(next - begin) < groupingString.length()))
{
itr = next;
}