kc3-lang/gnulib/tests/test-fseeko4.c

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• Hash : 6833c627
  Author :
  Date : 2023-01-10T16:23:18
  

  Fix some test failures on Android ≥ 11.
  
  * tests/test-fclose.c (main): On Android, avoid triggering the
  file-descriptor sanitizer (fdsan).
  * tests/test-fdopen.c (main): Likewise.
  * tests/test-fflush.c (main): Likewise.
  * tests/test-fgetc.c (main): Likewise.
  * tests/test-fputc.c (main): Likewise.
  * tests/test-fread.c (main): Likewise.
  * tests/test-fseeko4.c (main): Likewise.
  * tests/test-ftello4.c (main): Likewise.
  * tests/test-fwrite.c (main): Likewise.
  

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• tests/test-fseeko4.c

• /* Test of fseeko() function.
     Copyright (C) 2011-2023 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
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  #include <stdio.h>
  
  #include <errno.h>
  #include <unistd.h>
  
  #include "macros.h"
  
  int
  main (int argc, char **argv)
  {
    const char *filename = argv[1];
  
    /* Test that fseeko() sets errno if someone else closes the stream
       fd behind the back of stdio.  */
    {
      FILE *fp = fopen (filename, "r");
      ASSERT (fp != NULL);
      #if !defined __ANDROID__ /* fdsan */
      setvbuf (fp, NULL, _IONBF, 0);
      ASSERT (ftell (fp) == 0);
      ASSERT (fseeko (fp, 0, SEEK_END) == 0);
      ASSERT (ftell (fp) > 0);
      ASSERT (close (fileno (fp)) == 0);
      errno = 0;
      ASSERT (fseeko (fp, 0, SEEK_SET) == -1);
      ASSERT (errno == EBADF);
      #endif
      fclose (fp);
    }
  
    /* Test that fseeko() sets errno if the stream was constructed with
       an invalid file descriptor.  */
    {
      FILE *fp = fdopen (-1, "w");
      if (fp != NULL)
        {
          errno = 0;
          ASSERT (fseeko (fp, 0, SEEK_END) == -1);
          ASSERT (errno == EBADF);
          fclose (fp);
        }
    }
    {
      FILE *fp;
      close (99);
      fp = fdopen (99, "w");
      if (fp != NULL)
        {
          errno = 0;
          ASSERT (fseeko (fp, 0, SEEK_END) == -1);
          ASSERT (errno == EBADF);
          fclose (fp);
        }
    }
  
    return 0;
  }
  

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