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set string length properly in wxString(p, conv, len) ctor (patch 755593)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21859 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2003-07-10 12:13:49 +00:00
parent 50dee7e0eb
commit 251a8ce858
1 changed files with 9 additions and 5 deletions
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14
src/common/string.cpp
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@@ -245,7 +245,7 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
size_t nLen;
if ( psz )
{
// calculate the needed size ourselves or use a provide one
// calculate the needed size ourselves or use the provided one
nLen = nLength == wxSTRING_MAXLEN ? conv.MB2WC(NULL, psz, 0) : nLength;
}
else
@@ -263,10 +263,14 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
}
else
{
// MB2WC wants the buffer size, not the string length
if ( conv.MB2WC(m_pchData, psz, nLen + 1) != (size_t)-1 )
// MB2WC wants the buffer size, not the string length hence +1
nLen = conv.MB2WC(m_pchData, psz, nLen + 1);
if ( nLen != (size_t)-1 )
{
// initialized ok
// initialized ok, set the real length as nLength specified by
// the caller could be greater than the real string length
GetStringData()->nDataLength = nLen;
m_pchData[nLen] = 0;
return;
}
@@ -287,7 +291,7 @@ wxString::wxString(const wchar_t *pwz, wxMBConv& conv, size_t nLength)
size_t nLen;
if ( pwz )
{
// calculate the needed size ourselves or use a provide one
// calculate the needed size ourselves or use the provided one
nLen = nLength == wxSTRING_MAXLEN ? conv.WC2MB(NULL, pwz, 0) : nLength;
}
else