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Bug2602: correct record capacity estimate for Win+FAT filesystem...

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... effectively reverting commit 0d5b9753bc
This commit is contained in:
Paul Licameli
2020-12-07 12:28:37 -05:00
parent 67db388b25
commit b1c8cd6479
1 changed files with 7 additions and 1 deletions
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8
src/ProjectFileIO.cpp
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@@ -2273,7 +2273,13 @@ wxLongLong ProjectFileIO::GetFreeDiskSpace() const
if (FileNames::IsOnFATFileSystem(mFileName)) {
// 4 GiB per-file maximum
constexpr auto limit = 1ll << 32;
auto length = wxFileName::GetSize(mFileName);
// Opening a file only to find its length looks wasteful but
// seems to be necessary at least on Windows with FAT filesystems.
// I don't know if that is only a wxWidgets bug.
auto length = wxFile{mFileName}.Length();
// auto length = wxFileName::GetSize(mFileName);
if (length == wxInvalidSize)
length = 0;
auto free = std::max<wxLongLong>(0, limit - length);