Alexandre Julliard : msvcrt: Fix fflush() of files opened for read.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: 19a088202a21bbc9d77103d3ee5f696d6a08defc
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=19a088202a21bbc9d77103d3ee5f696d6a08defc

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Fri Mar 24 16:53:12 2006 +0000

msvcrt: Fix fflush() of files opened for read.

Some apps, for no particular reason, call fflush() on files opened for
read.  This keeps them from tripping over their shoelaces.

---

 dlls/msvcrt/file.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index 9162ee7..0a99cce 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -588,11 +588,11 @@ int MSVCRT_fflush(MSVCRT_FILE* file)
 {
   if(!file) {
 	_flushall();
-	return 0;
-  } else {
+  } else if(file->_flag & MSVCRT__IOWRT) {
   	int res=msvcrt_flush_buffer(file);
   	return res;
   }
+  return 0;
 }
 
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