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Properly truncate files

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This commit is contained in:
Brian Fiete 2021-09-15 11:18:32 -07:00
parent 546e5f7e5e
commit 9158002a42
2 changed files with 8 additions and 7 deletions
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12
BeefLibs/corlib/src/IO/FileMode.bf
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@ -17,16 +17,16 @@ namespace System.IO
/// Opens an existing file. Fails if the file does not exist.
Open = 3,
// Opens the file if it exists. Otherwise, creates a new file.
/// Opens the file if it exists. Otherwise, creates a new file.
OpenOrCreate = 4,
// Opens an existing file. Once opened, the file is truncated so that its
// size is zero bytes. The calling process must open the file with at least
// WRITE access. Fails if the file does not exist.
/// Opens an existing file. Once opened, the file is truncated so that its
/// size is zero bytes. The calling process must open the file with at least
/// WRITE access. Fails if the file does not exist.
Truncate = 5,
// Opens the file if it exists and seeks to the end. Otherwise,
// creates a new file.
/// Opens the file if it exists and seeks to the end. Otherwise,
/// creates a new file.
Append = 6,
}
}

3
BeefLibs/corlib/src/IO/FileStream.bf
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@ -175,12 +175,13 @@ namespace System.IO
createKind = .CreateIfNotExists;
case .Create:
createKind = .CreateAlways;
createFlags |= .Truncate;
case .Open:
createKind = .OpenExisting;
case .OpenOrCreate:
createKind = .OpenAlways;
case .Truncate:
createKind = .CreateAlways;
createKind = .OpenExisting;
createFlags |= .Truncate;
case .Append:
createKind = .CreateAlways;