Eric Blake wrote:
> + result = ptsname_r (fd, NULL, 0);
On glibc 2.11, with CPPFLAGS=-Wall, this code gives a warning:
test-ptsname_r.c: In function 'test_errors':
test-ptsname_r.c:88:3: warning: null argument where non-null required (argument
2)
I'm copying the trick from test-memmem.c:
2011-11-10 Bruno Haible <br...@clisp.org>
ptsname_r test: Avoid gcc warning on glibc systems.
* tests/test-ptsname_r.c (null_ptr): New function.
(test_errors): Use it.
--- tests/test-ptsname_r.c.orig Thu Nov 10 13:55:45 2011
+++ tests/test-ptsname_r.c Thu Nov 10 13:54:31 2011
@@ -53,6 +53,12 @@
&& SAME_INODE (statbuf1, statbuf2)));
}
+static char *
+null_ptr (void)
+{
+ return NULL;
+}
+
static void
test_errors (int fd, const char *slave)
{
@@ -86,7 +92,7 @@
}
errno = 0;
- result = ptsname_r (fd, NULL, 0);
+ result = ptsname_r (fd, null_ptr (), 0);
ASSERT (result != 0);
ASSERT (result == errno);
ASSERT (errno == EINVAL);
--
In memoriam Cornstalk <http://en.wikipedia.org/wiki/Cornstalk>
