[PATCH v3] ntdll: Finish serial reads of size 0 immediately.
Alex Henrie
alexhenrie24 at gmail.com
Wed Feb 24 23:55:35 CST 2016
Cc: Dmitry Timoshkov <dmitry at baikal.ru>
Fixes https://bugs.winehq.org/show_bug.cgi?id=37115
Signed-off-by: Alex Henrie <alexhenrie24 at gmail.com>
---
dlls/kernel32/tests/comm.c | 4 ----
dlls/ntdll/file.c | 5 +++++
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/dlls/kernel32/tests/comm.c b/dlls/kernel32/tests/comm.c
index 97ec794..6b0c3ed 100644
--- a/dlls/kernel32/tests/comm.c
+++ b/dlls/kernel32/tests/comm.c
@@ -2151,13 +2151,9 @@ static void test_read_write(void)
iob.Information = -1;
offset.QuadPart = (LONGLONG)i;
status = pNtReadFile(hcom, 0, NULL, NULL, &iob, buf, 0, &offset, NULL);
- /* FIXME: Remove once Wine is fixed */
- if (status == STATUS_PENDING) WaitForSingleObject(hcom, TIMEOUT);
if (i >= 0)
{
-todo_wine
ok(status == STATUS_SUCCESS, "%d: expected STATUS_SUCCESS, got %#x\n", i, status);
-todo_wine
ok(U(iob).Status == STATUS_SUCCESS, "%d: expected STATUS_SUCCESS, got %#x\n", i, U(iob).Status);
ok(iob.Information == 0, "%d: expected 0, got %lu\n", i, iob.Information);
}
diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index 3883e5a..46fea51 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -883,6 +883,11 @@ NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
status = length ? STATUS_END_OF_FILE : STATUS_SUCCESS;
goto done;
case FD_TYPE_SERIAL:
+ if (!length)
+ {
+ status = STATUS_SUCCESS;
+ goto done;
+ }
break;
default:
status = STATUS_PIPE_BROKEN;
--
2.7.1
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