regex: don't depend on wcscoll

[gnulib.git] / tests / test-select-fd.c

diff --git a/tests/test-select-fd.c b/tests/test-select-fd.c
index d362170..fffc126 100644 (file)
--- a/tests/test-select-fd.c
+++ b/tests/test-select-fd.c
@@ -1,5 +1,5 @@
 /* Test of select() substitute, reading or writing from a given file descriptor.
-   Copyright (C) 2008 Free Software Foundation, Inc.
+   Copyright (C) 2008-2013 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
@@ -25,42 +25,48 @@
 int
 main (int argc, char *argv[])
 {
-  if (argc == 3)
+  if (argc == 4)
     {
       char mode = argv[1][0];
 
       if (mode == 'r' || mode == 'w')
-       {
-         int fd = atoi (argv[2]);
+        {
+          int fd = atoi (argv[2]);
 
-         if (fd >= 0)
-           {
-             fd_set fds;
-             struct timeval timeout;
-             int ret;
+          if (fd >= 0)
+            {
+              const char *result_file_name = argv[3];
+              FILE *result_file = fopen (result_file_name, "wb");
 
-             FD_ZERO (&fds);
-             FD_SET (fd, &fds);
-             timeout.tv_sec = 0;
-             timeout.tv_usec = 10000;
-             ret = (mode == 'r'
-                    ? select (fd + 1, &fds, NULL, NULL, &timeout)
-                    : select (fd + 1, NULL, &fds, NULL, &timeout));
-             if (ret < 0)
-               {
-                 perror ("select failed");
-                 exit (1);
-               }
-             if ((ret == 0) != ! FD_ISSET (fd, &fds))
-               {
-                 fprintf (stderr, "incorrect return value\n");
-                 exit (1);
-               }
-             fprintf (stderr, "%d\n", ret);
-             exit (0);
-           }
-       }
+              if (result_file != NULL)
+                {
+                  fd_set fds;
+                  struct timeval timeout;
+                  int ret;
+
+                  FD_ZERO (&fds);
+                  FD_SET (fd, &fds);
+                  timeout.tv_sec = 0;
+                  timeout.tv_usec = 10000;
+                  ret = (mode == 'r'
+                         ? select (fd + 1, &fds, NULL, NULL, &timeout)
+                         : select (fd + 1, NULL, &fds, NULL, &timeout));
+                  if (ret < 0)
+                    {
+                      perror ("select failed");
+                      exit (1);
+                    }
+                  if ((ret == 0) != ! FD_ISSET (fd, &fds))
+                    {
+                      fprintf (stderr, "incorrect return value\n");
+                      exit (1);
+                    }
+                  fprintf (result_file, "%d\n", ret);
+                  exit (0);
+                }
+            }
+        }
     }
-  fprintf (stderr, "Usage: test-select-fd mode fd\n");
+  fprintf (stderr, "Usage: test-select-fd mode fd result-file-name\n");
   exit (1);
 }