install-reloc: Support multi-binary installation.

[gnulib.git] / tests / test-dup-safer.c

diff --git a/tests/test-dup-safer.c b/tests/test-dup-safer.c
index 24cc9e5..4dcd752 100644 (file)
--- a/tests/test-dup-safer.c
+++ b/tests/test-dup-safer.c
@@ -1,5 +1,5 @@
 /* Test that dup_safer leaves standard fds alone.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009-2013 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
@@ -24,51 +24,40 @@
 #include <errno.h>
 #include <stdbool.h>
 #include <stdio.h>
-#include <stdlib.h>
-#include <sys/stat.h>
+#include <unistd.h>
 
 #include "binary-io.h"
 #include "cloexec.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.  */
+# include "msvc-nothrow.h"
 #endif
 
 #if !O_BINARY
 # define setmode(f,m) zero ()
 static int zero (void) { return 0; }
 #endif
-#ifndef O_CLOEXEC
-# define O_CLOEXEC 0
-#endif
 
 /* This test intentionally closes stderr.  So, we arrange to have fd 10
    (outside the range of interesting fd's during the test) set up to
    duplicate the original stderr.  */
 
 #define BACKUP_STDERR_FILENO 10
-static FILE *myerr;
+#define ASSERT_STREAM myerr
+#include "macros.h"
 
-#define ASSERT(expr) \
-  do                                                                         \
-    {                                                                        \
-      if (!(expr))                                                           \
-        {                                                                    \
-          fprintf (myerr, "%s:%d: assertion failed\n", __FILE__, __LINE__);  \
-          fflush (myerr);                                                    \
-          abort ();                                                          \
-        }                                                                    \
-    }                                                                        \
-  while (0)
+static FILE *myerr;
 
 /* Return true if FD is open.  */
 static bool
 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;
@@ -85,7 +74,7 @@ static bool
 is_inheritable (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.  */
   HANDLE h = (HANDLE) _get_osfhandle (fd);
@@ -119,6 +108,7 @@ main (void)
 {
   int i;
   int fd;
+  int bad_fd = getdtablesize ();
 
   /* We close fd 2 later, so save it in fd 10.  */
   if (dup2 (STDERR_FILENO, BACKUP_STDERR_FILENO) != BACKUP_STDERR_FILENO
@@ -141,7 +131,7 @@ main (void)
       ASSERT (dup (-1) == -1);
       ASSERT (errno == EBADF);
       errno = 0;
-      ASSERT (dup (10000000) == -1);
+      ASSERT (dup (bad_fd) == -1);
       ASSERT (errno == EBADF);
       close (fd + 1);
       errno = 0;