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fix round trip check in wxMBConv_win32::WC2MB() when the buffer size is 0

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48835 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-09-20 13:16:37 +00:00
parent 3cc3afeba0
commit 564da6ff0b
1 changed files with 3 additions and 1 deletions
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4
src/common/strconv.cpp
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@@ -2457,8 +2457,10 @@ public:
return wxCONV_FAILED; return wxCONV_FAILED;
} }
if ( !n )
n = wcslen(pwz);
wxWCharBuffer wcBuf(n); wxWCharBuffer wcBuf(n);
if ( MB2WC(wcBuf.data(), buf, n) == wxCONV_FAILED || if ( MB2WC(wcBuf.data(), buf, n + 1) == wxCONV_FAILED ||
wcscmp(wcBuf, pwz) != 0 ) wcscmp(wcBuf, pwz) != 0 )
{ {
// we didn't obtain the same thing we started from, hence // we didn't obtain the same thing we started from, hence