Attachment #221435 for bug #252551

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	ATF_REQUIRE_EQ_MSG(errno, EINVAL, "got: %s", strerror(errno));
}

ATF_TC(writev_zero);
ATF_TC_HEAD(writev_zero, tc)
{
	atf_tc_set_md_var(tc, "timeout", "10");
	atf_tc_set_md_var(tc, "descr",
	    "writev must return EINVAL when iovcnt == 0");
}

ATF_TC_BODY(writev_zero, tc)
{
	ssize_t retval;

	(void)printf("Calling writev(2, NULL, 0)...\n");

	errno = 0;
	retval = writev(2, NULL, 0);

	ATF_REQUIRE_EQ_MSG(retval, -1, "got: %zd", retval);
	ATF_REQUIRE_EQ_MSG(errno, EINVAL, "got: %s", strerror(errno));
}

ATF_TP_ADD_TCS(tp)
{


	ATF_TP_ADD_TC(tp, write_pos);
	ATF_TP_ADD_TC(tp, write_ret);
	ATF_TP_ADD_TC(tp, writev_iovmax);
	ATF_TP_ADD_TC(tp, writev_zero);

	return atf_no_error();
}

Lines 370-376 copyinuio(const struct iovec iovp, u_int iovcnt, struct uio *uiop) Link Here

(-)b/sys/kern/subr_uio.c (-2 / +1 lines)
370	int error, i;	370	int error, i;
371		371
372	*uiop = NULL;	372	*uiop = NULL;
373	if (iovcnt > UIO_MAXIOV)	373	if (iovcnt <= 0 \|\| iovcnt > UIO_MAXIOV)
374	return (EINVAL);	374	return (EINVAL);
375	iovlen = iovcnt * sizeof (struct iovec);	375	iovlen = iovcnt * sizeof (struct iovec);
376	uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK);	376	uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK);
377	-

Return to bug 252551

Lines 213-218 ATF_TC_BODY(writev_iovmax, tc) Link Here

(-)b/contrib/netbsd-tests/lib/libc/sys/t_write.c (+22 lines)
213	ATF_REQUIRE_EQ_MSG(errno, EINVAL, "got: %s", strerror(errno));	213	ATF_REQUIRE_EQ_MSG(errno, EINVAL, "got: %s", strerror(errno));
214	}	214	}
215		215
		216	ATF_TC(writev_zero);
		217	ATF_TC_HEAD(writev_zero, tc)
		218	{
		219	atf_tc_set_md_var(tc, "timeout", "10");
		220	atf_tc_set_md_var(tc, "descr",
		221	"writev must return EINVAL when iovcnt == 0");
		222	}
		223
		224	ATF_TC_BODY(writev_zero, tc)
		225	{
		226	ssize_t retval;
		227
		228	(void)printf("Calling writev(2, NULL, 0)...\n");
		229
		230	errno = 0;
		231	retval = writev(2, NULL, 0);
		232
		233	ATF_REQUIRE_EQ_MSG(retval, -1, "got: %zd", retval);
		234	ATF_REQUIRE_EQ_MSG(errno, EINVAL, "got: %s", strerror(errno));
		235	}
		236
216	ATF_TP_ADD_TCS(tp)	237	ATF_TP_ADD_TCS(tp)
217	{	238	{
218		239
Lines 221-226 ATF_TP_ADD_TCS(tp) Link Here
221	ATF_TP_ADD_TC(tp, write_pos);	242	ATF_TP_ADD_TC(tp, write_pos);
222	ATF_TP_ADD_TC(tp, write_ret);	243	ATF_TP_ADD_TC(tp, write_ret);
223	ATF_TP_ADD_TC(tp, writev_iovmax);	244	ATF_TP_ADD_TC(tp, writev_iovmax);
		245	ATF_TP_ADD_TC(tp, writev_zero);
224		246
225	return atf_no_error();	247	return atf_no_error();
226	}	248	}