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Ensure PrintVLen always adds a byte for trailing NULL

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Kovid Goyal 2016-06-26 08:54:13 +05:30
parent 523bf9f4eb
commit 298df07987
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1 changed files with 2 additions and 2 deletions
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src/calibre/utils/podofo/output.cpp
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@ -50,9 +50,9 @@ class OutputDevice : public PdfOutputDevice {
if( !pszFormat ) { PODOFO_RAISE_ERROR( ePdfError_InvalidHandle ); }
#ifdef _MSC_VER
return _vscprintf(pszFormat, args);
return _vscprintf(pszFormat, args) + 1;
#else
return vsnprintf(NULL, 0, pszFormat, args);
return vsnprintf(NULL, 0, pszFormat, args) + 1;
#endif
}