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stream: cleanup

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2024-01-16 08:24:37 +01:00
parent 59a53e10f4
commit ab94d7014f
1 changed files with 6 additions and 4 deletions
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10
include/stdex/stream.hpp
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@ -540,11 +540,11 @@ namespace stdex
///
size_t write_sa(_In_ LPSAFEARRAY sa)
{
safearray_accessor<void> a(sa);
long ubound, lbound;
if (FAILED(SafeArrayGetUBound(sa, 1, &ubound)) ||
FAILED(SafeArrayGetLBound(sa, 1, &lbound)))
throw std::invalid_argument("SafeArrayGet[UL]Bound failed");
safearray_accessor<void> a(sa);
return write(a.data(), static_cast<size_t>(ubound) - lbound + 1);
}
#endif
@ -954,13 +954,15 @@ namespace stdex
LPSAFEARRAY read_sa()
{
_Assume_(size() <= SIZE_MAX);
size_t length = static_cast<size_t>(size());
std::unique_ptr<SAFEARRAY, SafeArrayDestroy_delete> sa(SafeArrayCreateVector(VT_UI1, 0, (ULONG)length));
if (size() > ULONG_MAX)
throw std::range_error("data too big");
ULONG length = static_cast<ULONG>(size());
std::unique_ptr<SAFEARRAY, SafeArrayDestroy_delete> sa(SafeArrayCreateVector(VT_UI1, 0, length));
if (!sa) _Unlikely_
throw std::runtime_error("SafeArrayCreateVector failed");
safearray_accessor<void> a(sa.get());
if (seek(0) != 0) _Unlikely_
throw std::system_error(sys_error(), std::system_category(), "failed to seek");
safearray_accessor<void> a(sa.get());
if (read_array(a.data(), 1, length) != length)
throw std::system_error(sys_error(), std::system_category(), "failed to read");
return sa.release();