Akihiro Sagawa : msvcrt: Add support for fflush to clear an input buffer.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1a01893c746beff8b41b7ad9c78df47ced89a012
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1a01893c746beff8b41b7ad9c7...

Author: Akihiro Sagawa 
Date:   Mon Mar 12 21:14:04 2012 +0900

msvcrt: Add support for fflush to clear an input buffer.

---

dlls/msvcrt/file.c       |    7 +++++++
 dlls/msvcrt/tests/file.c |    2 +-
 2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index c15e33f..7fbe07e 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -792,6 +792,13 @@ int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
         MSVCRT__unlock_file(file);

return res;
+    } else if(file->_flag & MSVCRT__IOREAD) {
+        MSVCRT__lock_file(file);
+        file->_cnt = 0;
+        file->_ptr = file->_base;
+        MSVCRT__unlock_file(file);
+
+        return 0;
     }
     return 0;
 }
diff --git a/dlls/msvcrt/tests/file.c b/dlls/msvcrt/tests/file.c
index 9e93234..6d745d9 100644
--- a/dlls/msvcrt/tests/file.c
+++ b/dlls/msvcrt/tests/file.c
@@ -619,7 +619,7 @@ static void test_fflush( void )
   ok(ret == 0, "expected 0, got %d\n", ret);
   memset(buf2, '?', sizeof(buf2));
   fread(buf2, 1, sizeof(buf2), tempfh);
-  todo_wine ok(memcmp(buf1, buf2, sizeof(buf1)) == 0, "Got unexpected data (%c)\n", buf2[0]);
+  ok(memcmp(buf1, buf2, sizeof(buf1)) == 0, "Got unexpected data (%c)\n", buf2[0]);

/* fflush(NULL) doesn't clear input buffer. */
   _lseek(_fileno(tempfh), 0, SEEK_SET);