Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Verify that dup2(2) and dup3(2) fail with EBADF if the "new descriptor" is 

specified to be larger than RLIMIT_NOFILE.
This commit is contained in:
jruoho 2011-07-18 04:29:37 +00:00
parent 9b1cdf6a14
commit 650c5cb762
1 changed files with 39 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
tests/lib/libc/sys/t_dup.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: t_dup.c,v 1.4 2011/07/16 14:29:15 jruoho Exp $ */
/* $NetBSD: t_dup.c,v 1.5 2011/07/18 04:29:37 jruoho Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@ -29,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_dup.c,v 1.4 2011/07/16 14:29:15 jruoho Exp $");
__RCSID("$NetBSD: t_dup.c,v 1.5 2011/07/18 04:29:37 jruoho Exp $");
#include <sys/resource.h>
#include <sys/stat.h>
@ -158,6 +158,23 @@ ATF_TC_BODY(dup2_err, tc)
(void)close(fd);
}
ATF_TC(dup2_max);
ATF_TC_HEAD(dup2_max, tc)
{
atf_tc_set_md_var(tc, "descr", "Test dup2(2) against limits");
}
ATF_TC_BODY(dup2_max, tc)
{
struct rlimit res;
(void)memset(&res, 0, sizeof(struct rlimit));
(void)getrlimit(RLIMIT_NOFILE, &res);
errno = 0;
ATF_REQUIRE_ERRNO(EBADF, dup2(STDERR_FILENO, res.rlim_cur + 1) == -1);
}
ATF_TC_WITH_CLEANUP(dup2_mode);
ATF_TC_HEAD(dup2_mode, tc)
{
@ -209,6 +226,24 @@ ATF_TC_BODY(dup3_err, tc)
(void)close(fd);
}
ATF_TC(dup3_max);
ATF_TC_HEAD(dup3_max, tc)
{
atf_tc_set_md_var(tc, "descr", "Test dup3(2) against limits");
}
ATF_TC_BODY(dup3_max, tc)
{
struct rlimit res;
(void)memset(&res, 0, sizeof(struct rlimit));
(void)getrlimit(RLIMIT_NOFILE, &res);
errno = 0;
ATF_REQUIRE_ERRNO(EBADF, dup3(STDERR_FILENO,
res.rlim_cur + 1, O_CLOEXEC) == -1);
}
ATF_TC_WITH_CLEANUP(dup3_mode);
ATF_TC_HEAD(dup3_mode, tc)
{
@ -341,8 +376,10 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, dup2_basic);
ATF_TP_ADD_TC(tp, dup2_err);
ATF_TP_ADD_TC(tp, dup2_max);
ATF_TP_ADD_TC(tp, dup2_mode);
ATF_TP_ADD_TC(tp, dup3_err);
ATF_TP_ADD_TC(tp, dup3_max);
ATF_TP_ADD_TC(tp, dup3_mode);
ATF_TP_ADD_TC(tp, dup_err);
ATF_TP_ADD_TC(tp, dup_max);