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Port lib/libc/sys/t_dup to FreeBSD/Linux

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- The requirements differ between FreeBSD/Linux when dealing with oldd/newd
  being equal (both fail with EINVAL, not EBADF)
- Add an EBADF testcase
- Fix compilation issues on clang

In collaboration with: pho
This commit is contained in:
Enji Cooper 2014-11-01 17:19:43 +00:00
parent b0b9a540ca
commit 4dc3ed6a7b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=273937
1 changed files with 20 additions and 0 deletions
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20
contrib/netbsd-tests/lib/libc/sys/t_dup.c
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@ -45,8 +45,14 @@ __RCSID("$NetBSD: t_dup.c,v 1.8 2012/03/18 07:00:51 jruoho Exp $");
#include <unistd.h>
#include <sysexits.h>
#ifdef __FreeBSD__
#include <stdbool.h>
#endif
static char path[] = "dup";
#ifdef __NetBSD__
static void check_mode(bool, bool, bool);
#endif
static void
check_mode(bool _dup, bool _dup2, bool _dup3)
@ -207,10 +213,24 @@ ATF_TC_BODY(dup3_err, tc)
ATF_REQUIRE(fd >= 0);
errno = 0;
#if defined(__FreeBSD__) || defined(__linux__)
/*
* FreeBSD and linux return EINVAL, because...
*
* [EINVAL] The oldd argument is equal to the newd argument.
*/
ATF_REQUIRE(dup3(fd, fd, O_CLOEXEC) == -1);
#else
ATF_REQUIRE(dup3(fd, fd, O_CLOEXEC) != -1);
#endif
errno = 0;
#if defined(__FreeBSD__) || defined(__linux__)
ATF_REQUIRE_ERRNO(EINVAL, dup3(-1, -1, O_CLOEXEC) == -1);
ATF_REQUIRE_ERRNO(EBADF, dup3(fd, -1, O_CLOEXEC) == -1);
#else
ATF_REQUIRE_ERRNO(EBADF, dup3(-1, -1, O_CLOEXEC) == -1);
#endif
errno = 0;
ATF_REQUIRE_ERRNO(EBADF, dup3(fd, -1, O_CLOEXEC) == -1);