Changeset 76902 in vbox for trunk/src/VBox/Runtime/r3/win

Timestamp:

Jan 19, 2019 2:25:38 PM (6 years ago)

Author:

vboxsync

Message:

IPRT/RTFileRead: Set pcbRead when returning immediately on a zero byte read. bugref:9172

File:

• trunk/src/VBox/Runtime/r3/win/fileio-win.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/r3/win/fileio-win.cpp

@@ -416 +416 @@
 {
     if (cbToRead <= 0)
+    {
+        if (pcbRead)
+            *pcbRead = 0;
         return VINF_SUCCESS;
+    }
     ULONG cbToReadAdj = (ULONG)cbToRead;
     AssertReturn(cbToReadAdj == cbToRead, VERR_NUMBER_TOO_BIG);