Fixed data copying

martindevans · martindevans · commit 1d39556a4e9c · 2024-12-06T21:20:58.000Z
diff --git a/Wazzy/WasiSnapshotPreview1/FileSystem/Implementations/VirtualFileSystem/VirtualFileSystem.cs b/Wazzy/WasiSnapshotPreview1/FileSystem/Implementations/VirtualFileSystem/VirtualFileSystem.cs
@@ -914,7 +914,7 @@ private static void CopyFlatBufferToIovsBuffer(ReadOnlySpan<byte> data, Caller c
         {
             var iov = iovsSpan[i].GetSpan(caller);
 
-            if (iov.Length > data.Length)
+            if (data.Length >= iov.Length)
             {
                 data[..iov.Length].CopyTo(iov);
                 data = data[iov.Length..];

Original file line number	Diff line number	Diff line change
`@@ -914,7 +914,7 @@ private static void CopyFlatBufferToIovsBuffer(ReadOnlySpan<byte> data, Caller c`
`914`	`914`	`{`
`915`	`915`	`var iov = iovsSpan[i].GetSpan(caller);`
`916`	`916`
`917`		`- if (iov.Length > data.Length)`
	`917`	`+ if (data.Length >= iov.Length)`
`918`	`918`	`{`
`919`	`919`	`data[..iov.Length].CopyTo(iov);`
`920`	`920`	`data = data[iov.Length..];`