bad_ftruncate.c 2.4 KB

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  1. /*
  2. * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
  3. * The President and Fellows of Harvard College.
  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. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. Neither the name of the University nor the names of its contributors
  14. * may be used to endorse or promote products derived from this software
  15. * without specific prior written permission.
  16. *
  17. * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
  18. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20. * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
  21. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27. * SUCH DAMAGE.
  28. */
  29. /*
  30. * ftruncate
  31. */
  32. #include <sys/types.h>
  33. #include <sys/stat.h>
  34. #include <stdio.h>
  35. #include <stdlib.h>
  36. #include <string.h>
  37. #include <unistd.h>
  38. #include <errno.h>
  39. #include <err.h>
  40. #include "config.h"
  41. #include "test.h"
  42. static
  43. void
  44. ftruncate_fd_device(void)
  45. {
  46. int rv, fd;
  47. fd = open("null:", O_RDWR);
  48. if (fd<0) {
  49. warn("UH-OH: opening null: failed");
  50. return;
  51. }
  52. rv = ftruncate(fd, 6);
  53. report_test(rv, errno, EINVAL, "ftruncate on device");
  54. close(fd);
  55. }
  56. static
  57. void
  58. ftruncate_size_neg(void)
  59. {
  60. int rv, fd;
  61. fd = open_testfile(0);
  62. if (fd<0) {
  63. return;
  64. }
  65. rv = ftruncate(fd, -60);
  66. report_test(rv, errno, EINVAL, "ftruncate to negative size");
  67. close(fd);
  68. remove(TESTFILE);
  69. }
  70. void
  71. test_ftruncate(void)
  72. {
  73. test_ftruncate_fd();
  74. ftruncate_fd_device();
  75. ftruncate_size_neg();
  76. }