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COM: Improve bstr constructors

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2023-10-01 22:44:38 +02:00
parent 0addbd825a
commit 40003c4054
1 changed files with 6 additions and 4 deletions
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10
include/WinStd/COM.h
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@ -1,4 +1,4 @@
/*
/*
SPDX-License-Identifier: MIT
Copyright © 1991-2023 Amebis
Copyright © 2016 GÉANT
@ -202,7 +202,7 @@ namespace winstd
///
/// Constructs BSTR from OLE string
///
bstr(_In_ LPCOLESTR src)
bstr(_In_opt_z_ LPCOLESTR src)
{
m_h = SysAllocString(src);
if (!m_h)
@ -212,7 +212,7 @@ namespace winstd
///
/// Constructs BSTR from OLE string with length
///
bstr(_In_ LPCOLESTR src, _In_ UINT len)
bstr(_In_reads_opt_(len) LPCOLESTR src, _In_ UINT len)
{
m_h = SysAllocStringLen(src, len);
if (!m_h)
@ -223,8 +223,10 @@ namespace winstd
/// Constructs BSTR from std::basic_string
///
template<class _Traits, class _Ax>
bstr(_In_ const std::basic_string<wchar_t, _Traits, _Ax> &src)
bstr(_In_ const std::basic_string<OLECHAR, _Traits, _Ax> &src)
{
if (src.length() >= UINT_MAX)
throw std::invalid_argument("String too long");
m_h = SysAllocStringLen(src.c_str(), (UINT)src.length());
if (!m_h)
throw std::bad_alloc();