[newlib-cygwin] Cygwin: serial: fix GCC warning
Corinna Vinschen
corinna@sourceware.org
Thu Mar 26 13:13:53 GMT 2020
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d2e0b65a7fdc78ed39a8d5338a36cb887805a601
commit d2e0b65a7fdc78ed39a8d5338a36cb887805a601
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Thu Mar 26 14:13:37 2020 +0100
Cygwin: serial: fix GCC warning
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
winsup/cygwin/fhandler_serial.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler_serial.cc b/winsup/cygwin/fhandler_serial.cc
index 9446315e5..1aaeedf1f 100644
--- a/winsup/cygwin/fhandler_serial.cc
+++ b/winsup/cygwin/fhandler_serial.cc
@@ -80,7 +80,7 @@ fhandler_serial::raw_read (void *ptr, size_t& ulen)
/* If the number of chars in the inbound queue is sufficent
(minchars defines the minimum), set bytes_to_read accordingly
and don't wait. */
- if (st.cbInQue && st.cbInQue >= minchars)
+ if (st.cbInQue && (ssize_t) st.cbInQue >= minchars)
bytes_to_read = MIN (st.cbInQue, bytes_to_read);
}
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