tests/strange-characters-c.c

   1 /*
   2  * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <sys/types.h>
  41 #include <fcntl.h>
  42 #include <unistd.h>
  43
  44 #include <err.h>
  45 #include <roken.h>
  46
  47 #ifdef RCSID
  48 RCSID("$Id$");
  49 #endif
  50
  51 static void
  52 creat_file (char *name)
  53 {
  54     int fd;
  55
  56     fd = open (name, O_WRONLY | O_CREAT | O_EXCL, 0777);
  57     if (fd < 0)
  58         err (1, "open %s", name);
  59     if (close (fd) < 0)
  60         err (1, "close %s", name);
  61 }
  62
  63 static void
  64 look_at_file (char *name)
  65 {
  66     int fd;
  67
  68     fd = open (name, O_RDONLY | O_EXCL, 0777);
  69     if (fd < 0)
  70         err (1, "open %s", name);
  71     if (close (fd) < 0)
  72         err (1, "close %s", name);
  73 }
  74
  75 static void
  76 usage (int ret)
  77 {
  78     fprintf (stderr, "%s\n", getprogname());
  79     exit (ret);
  80 }
  81
  82 int
  83 main(int argc, char **argv)
  84 {
  85     char *file = "åäö";
  86
  87     setprogname (argv[0]);
  88
  89     if (argc != 1)
  90         usage (1);
  91
  92     creat_file (file);
  93     look_at_file (file);
  94     return 0;
  95 }