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  1. /*
  2.  * Copyright (c) 2008 Jiri Svoboda
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <stdio.h>
  30. #include <stdlib.h>
  31. #include <errno.h>
  32. #include "../tester.h"
  33.  
  34. char * test_stdio2(bool quiet)
  35. {
  36.     FILE *f;
  37.     char *file_name = "/test";
  38.     size_t n;
  39.     int c;
  40.  
  41.     printf("Open file '%s' for writing\n", file_name);
  42.     errno = 0;
  43.     f = fopen(file_name, "wt");
  44.  
  45.     if (f == NULL)
  46.         return "Failed opening file.";
  47.  
  48.     fprintf(f, "Integer: %d, string: '%s'\n", 42, "Hello!");
  49.     if (fclose(f) != 0)
  50.         return "Failed closing file.";
  51.  
  52.     printf("Open file '%s' for reading\n", file_name);
  53.  
  54.     f = fopen(file_name, "rt");
  55.     if (f == NULL)
  56.         return "Failed opening file.";
  57.  
  58.     printf("File contains:\n");
  59.     while (true) {
  60.         c = fgetc(f);
  61.         if (c == EOF) break;
  62.         putchar(c);
  63.     }
  64.  
  65.     if (fclose(f) != 0)
  66.         return "Failed closing file.";
  67.  
  68.     return NULL;
  69. }
  70.