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path: root/plugins/BasicHistory/src/ExportManager.cpp
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-rw-r--r--plugins/BasicHistory/src/ExportManager.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/plugins/BasicHistory/src/ExportManager.cpp b/plugins/BasicHistory/src/ExportManager.cpp
index 853d2d0229..734ef0971d 100644
--- a/plugins/BasicHistory/src/ExportManager.cpp
+++ b/plugins/BasicHistory/src/ExportManager.cpp
@@ -38,11 +38,12 @@ std::wstring GetFile(const TCHAR* ext, HWND hwnd, bool open)
TCHAR filter[512];
std::locale loc;
TCHAR extUpper[32];
+
_tcscpy_s(extUpper, ext);
extUpper[0] = std::toupper(ext[0], loc);
mir_sntprintf(filter, SIZEOF(filter), TranslateT("%s Files (*.%s)"), extUpper, ext);
size_t len = _tcslen(filter) + 1;
- mir_sntprintf(filter + len, 512 - len, _T("*.%s"), ext);
+ mir_sntprintf(filter + len, SIZEOF(filter) - len, _T("*.%s"), ext);
len += _tcslen(filter + len);
filter[++len] = 0;
TCHAR stzFilePath[1024];