27 lines
804 B
C#
27 lines
804 B
C#
namespace Phantom.Utils.IO;
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public static class Files {
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public static async Task WriteBytesAsync(string path, ReadOnlyMemory<byte> bytes, FileMode mode, UnixFileMode chmod) {
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var options = new FileStreamOptions {
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Mode = mode,
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Access = FileAccess.Write,
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Options = FileOptions.Asynchronous,
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Share = FileShare.Read
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};
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if (!OperatingSystem.IsWindows()) {
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options.UnixCreateMode = chmod;
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}
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await using var stream = new FileStream(path, options);
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await stream.WriteAsync(bytes);
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}
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public static void RequireMaximumFileSize(string path, long maximumBytes) {
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var actualBytes = new FileInfo(path).Length;
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if (actualBytes > maximumBytes) {
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throw new IOException("Expected file size to be at most " + maximumBytes + " B, actual size is " + actualBytes + " B.");
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}
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}
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}
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