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Fix the following errors reported by VS2017 Code Analysis. (#414)

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* Fix the following errors reported by VS2017 Code Analysis.

applewin\source\applewin.cpp(761): warning C6385: Reading invalid data from '"Disk Image"':  the readable size is '11' bytes, but '21' bytes may be read.
applewin\source\debugger\debug.cpp(6624): warning C6386: Buffer overrun while writing to 'sName':  the writable size is '31' bytes, but '32' bytes might be written.
applewin\source\debugger\debugger_display.cpp(3715): warning C6053: The prior call to 'strncpy' might not zero-terminate string 'sText'.
applewin\source\log.cpp(42): warning C6053: The prior call to '_vsnprintf' might not zero-terminate string 'output'.
applewin\source\debugger\debug.cpp(2759): warning C6011: Dereferencing NULL pointer 'pFont'.
applewin\source\debugger\debugger_symbols.cpp(243): warning C6053: The prior call to '_tcsncpy' might not zero-terminate string 'pText'.
applewin\source\diskimagehelper.cpp(1132): warning C6053: The prior call to '_tcsncpy' might not zero-terminate string 'pszExt'.
applewin\source\diskimagehelper.cpp(1141): warning C6053: The prior call to '_tcsncpy' might not zero-terminate string 'szFilename'.
applewin\source\parallelprinter.cpp(242): warning C6053: The prior call to '_tcsncpy' might not zero-terminate string 'g_szPrintFilename'.

The one about RegSetValue(), according to Microsoft

https://msdn.microsoft.com/en-us/library/windows/desktop/ms724922(v=vs.85).aspx

the last argument cbData is ignored, so I set it to 0, as in some cases was anyway wrong (see "DiskImage").


Signed-off-by: Andrea Odetti <mariofutire@gmail.com>

* Use sizeof() rather than hardcoded value.
Fix one more case on non terminated string.


Signed-off-by: Andrea Odetti <mariofutire@gmail.com>
This commit is contained in:
Andrea
2018-02-24 15:24:37 +00:00
committed by TomCh
parent 6051bc55d0
commit 70540bd6dc
7 changed files with 23 additions and 13 deletions
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source/DiskImageHelper.cpp
+2
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@@ -1142,6 +1142,7 @@ void GetCharLowerExt(TCHAR* pszExt, LPCTSTR pszImageFilename, const UINT uExtSiz
pImageFileExt = _tcsrchr(pImageFileExt, TEXT('.'));
_tcsncpy(pszExt, pImageFileExt, uExtSize);
pszExt[uExtSize - 1] = 0;
CharLowerBuff(pszExt, _tcslen(pszExt));
}
@@ -1150,6 +1151,7 @@ void GetCharLowerExt2(TCHAR* pszExt, LPCTSTR pszImageFilename, const UINT uExtSi
{
TCHAR szFilename[MAX_PATH];
_tcsncpy(szFilename, pszImageFilename, MAX_PATH);
szFilename[MAX_PATH - 1] = 0;
TCHAR* pLastDot = _tcsrchr(szFilename, TEXT('.'));
if (pLastDot)