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* [PATCH] Cygwin: clipboard: Fix a bug in read().
@ 2021-12-07 13:32 Takashi Yano
  0 siblings, 0 replies; only message in thread
From: Takashi Yano @ 2021-12-07 13:32 UTC (permalink / raw)
  To: cygwin-patches

- Fix a bug in fhandler_clipboard::read() that the second read fails
  with 'Bad address'.

Addresses:
  https://cygwin.com/pipermail/cygwin/2021-December/250141.html
---
 winsup/cygwin/fhandler_clipboard.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/fhandler_clipboard.cc b/winsup/cygwin/fhandler_clipboard.cc
index 0b87dd352..ae10228a7 100644
--- a/winsup/cygwin/fhandler_clipboard.cc
+++ b/winsup/cygwin/fhandler_clipboard.cc
@@ -229,7 +229,7 @@ fhandler_dev_clipboard::read (void *ptr, size_t& len)
       if (pos < (off_t) clipbuf->cb_size)
 	{
 	  ret = (len > (clipbuf->cb_size - pos)) ? clipbuf->cb_size - pos : len;
-	  memcpy (ptr, &clipbuf[1] + pos , ret);
+	  memcpy (ptr, (char *) &clipbuf[1] + pos, ret);
 	  pos += ret;
 	}
     }
-- 
2.34.1


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2021-12-07 13:32 [PATCH] Cygwin: clipboard: Fix a bug in read() Takashi Yano

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