From: Guido van Rossum <guido@python.org>
Date: Fri, 12 Jun 1998 14:26:18 +0000 (+0000)
Subject: In tcsetattr(), first initialize the mode structure by calling
X-Git-Tag: v1.5.2a1~479
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e7c4193755843e308df180f3014cea214fbf6dc5;p=python

In tcsetattr(), first initialize the mode structure by calling
tcgetattr().  This seems to be the only correct way to cope with
platform-specific structure members...
---

diff --git a/Modules/termios.c b/Modules/termios.c
index 55295a8e45..d7afeaec68 100644
--- a/Modules/termios.c
+++ b/Modules/termios.c
@@ -139,6 +139,9 @@ termios_tcsetattr(self, args)
 		return NULL;
 	}
 
+	/* Get the old mode, in case there are any hidden fields... */
+	if (tcgetattr(fd, &mode) == -1)
+		return PyErr_SetFromErrno(TermiosError);
 	mode.c_iflag = (tcflag_t) PyInt_AsLong(PyList_GetItem(term, 0));
 	mode.c_oflag = (tcflag_t) PyInt_AsLong(PyList_GetItem(term, 1));
 	mode.c_cflag = (tcflag_t) PyInt_AsLong(PyList_GetItem(term, 2));