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hash: relax license to LGPLv2+, for libguestfs
[gnulib.git]
/
tests
/
test-dup3.c
diff --git
a/tests/test-dup3.c
b/tests/test-dup3.c
index
dc5c6c2
..
5a4aa6d
100644
(file)
--- a/
tests/test-dup3.c
+++ b/
tests/test-dup3.c
@@
-1,5
+1,5
@@
/* Test duplicating file descriptors.
/* Test duplicating file descriptors.
- Copyright (C) 2009-201
2
Free Software Foundation, Inc.
+ Copyright (C) 2009-201
3
Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@
-29,7
+29,7
@@
SIGNATURE_CHECK (dup3, int, (int, int, int));
#include <stdbool.h>
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
#include <stdbool.h>
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
-/* Get declarations of the
Win32
API functions. */
+/* Get declarations of the
native Windows
API functions. */
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
/* Get _get_osfhandle. */
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
/* Get _get_osfhandle. */
@@
-44,7
+44,7
@@
static bool
is_open (int fd)
{
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
is_open (int fd)
{
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
- /* On
Win32
, the initial state of unassigned standard file
+ /* On
native Windows
, the initial state of unassigned standard file
descriptors is that they are open but point to an
INVALID_HANDLE_VALUE, and there is no fcntl. */
return (HANDLE) _get_osfhandle (fd) != INVALID_HANDLE_VALUE;
descriptors is that they are open but point to an
INVALID_HANDLE_VALUE, and there is no fcntl. */
return (HANDLE) _get_osfhandle (fd) != INVALID_HANDLE_VALUE;
@@
-76,6
+76,7
@@
int
main ()
{
int use_cloexec;
main ()
{
int use_cloexec;
+ int bad_fd = getdtablesize ();
#if O_CLOEXEC
for (use_cloexec = 0; use_cloexec <= 1; use_cloexec++)
#if O_CLOEXEC
for (use_cloexec = 0; use_cloexec <= 1; use_cloexec++)
@@
-123,8
+124,17
@@
main ()
errno = 0;
ASSERT (dup3 (fd, -2, o_flags) == -1);
ASSERT (errno == EBADF);
errno = 0;
ASSERT (dup3 (fd, -2, o_flags) == -1);
ASSERT (errno == EBADF);
+ if (bad_fd > 256)
+ {
+ ASSERT (dup3 (fd, 255, 0) == 255);
+ ASSERT (dup3 (fd, 256, 0) == 256);
+ ASSERT (close (255) == 0);
+ ASSERT (close (256) == 0);
+ }
+ ASSERT (dup3 (fd, bad_fd - 1, 0) == bad_fd - 1);
+ ASSERT (close (bad_fd - 1) == 0);
errno = 0;
errno = 0;
- ASSERT (dup3 (fd,
10000000
, o_flags) == -1);
+ ASSERT (dup3 (fd,
bad_fd
, o_flags) == -1);
ASSERT (errno == EBADF);
/* Using dup3 can skip fds. */
ASSERT (errno == EBADF);
/* Using dup3 can skip fds. */