WriteStream: use libgit2's error when we fail to write to the next stream

carlosmn · carlosmn · commit 3c88b787c54e · 2015-06-19T12:01:05.000+02:00
diff --git a/LibGit2Sharp/Core/WriteStream.cs b/LibGit2Sharp/Core/WriteStream.cs
@@ -53,9 +53,10 @@ public override void Write(byte[] buffer, int offset, int count)
             {
                 fixed (byte* bufferPtr = &buffer[offset])
                 {
-                    if (nextStream.write(nextPtr, (IntPtr)bufferPtr, (UIntPtr)count) < 0)
+                    int ret = nextStream.write(nextPtr, (IntPtr)bufferPtr, (UIntPtr)count);
+                    if (ret < 0)
                     {
-                        throw new LibGit2SharpException("failed to write to next buffer");
+                        Ensure.ZeroResult(ret);
                     }
                 }
             }

Original file line number	Diff line number	Diff line change
`@@ -53,9 +53,10 @@ public override void Write(byte[] buffer, int offset, int count)`
`53`	`53`	`{`
`54`	`54`	`fixed (byte* bufferPtr = &buffer[offset])`
`55`	`55`	`{`
`56`		`- if (nextStream.write(nextPtr, (IntPtr)bufferPtr, (UIntPtr)count) < 0)`
	`56`	`+ int ret = nextStream.write(nextPtr, (IntPtr)bufferPtr, (UIntPtr)count);`
	`57`	`+ if (ret < 0)`
`57`	`58`	`{`
`58`		`- throw new LibGit2SharpException("failed to write to next buffer");`
	`59`	`+ Ensure.ZeroResult(ret);`
`59`	`60`	`}`
`60`	`61`	`}`
`61`	`62`	`}`