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

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• Hash : 13496d1e
  Author :
  Date : 2024-04-27T19:51:53
  

  fcntl-h, stdio, unistd: Ensure off64_t is defined on all platforms.
  
  * lib/fcntl.in.h: Update comment regarding off64_t.
  * lib/stdio.in.h: Likewise.
  * lib/unistd.in.h: Likewise.
  * tests/test-fcntl-h.c: Verify that off64_t is defined.
  * tests/test-stdio.c: Likewise.
  * tests/test-unistd.c: Likewise.
  * doc/posix-headers/fcntl.texi: Mention the off64_t workaround.
  * doc/posix-headers/stdio.texi: Likewise.
  * doc/posix-headers/unistd.texi: Likewise.
  * doc/posix-headers/aio.texi: Mention the problem with off64_t.
  

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• tests/test-stdio.c

• /* Test of <stdio.h> substitute.
     Copyright (C) 2007, 2009-2024 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/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
  
  #include <config.h>
  
  #include <stdio.h>
  
  /* Check that the various SEEK_* macros are defined.  */
  int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
  
  /* Check that the _PRINTF_NAN_LEN_MAX macro is defined.  */
  int pnlm[] = { _PRINTF_NAN_LEN_MAX };
  
  /* Check that NULL can be passed through varargs as a pointer type,
     per POSIX 2008.  */
  static_assert (sizeof NULL == sizeof (void *));
  
  /* Check that the types are all defined.  */
  fpos_t t1;
  off_t t2;
  size_t t3;
  ssize_t t4;
  va_list t5;
  off64_t t6;
  
  #include <string.h>
  
  #include "signed-nan.h"
  #include "signed-snan.h"
  #include "macros.h"
  
  int
  main (void)
  {
    {
      double value1;
      char buf[64];
  
      value1 = positive_NaNd();
      sprintf (buf, "%g", value1);
      ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
  
      value1 = negative_NaNd();
      sprintf (buf, "%g", value1);
      ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
    }
  #if defined DBL_EXPBIT0_WORD && defined DBL_EXPBIT0_BIT
    /* Check the value of _PRINTF_NAN_LEN_MAX.  */
    {
      double value1;
      memory_double value2;
      char buf[64];
  
      value1 = positive_SNaNd();
      sprintf (buf, "%g", value1);
      ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
  
      value1 = negative_SNaNd();
      sprintf (buf, "%g", value1);
      ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
  
      value2.value = positive_NaNd ();
      #if DBL_EXPBIT0_BIT == 20
      value2.word[DBL_EXPBIT0_WORD] ^= 0x54321;
      #endif
      sprintf (buf, "%g", value2.value);
      ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
  
      value2.value = negative_NaNd ();
      #if DBL_EXPBIT0_BIT == 20
      value2.word[DBL_EXPBIT0_WORD] ^= 0x54321;
      #endif
      sprintf (buf, "%g", value2.value);
      ASSERT (strlen (buf) <= _PRINTF_NAN_LEN_MAX);
    }
  #endif
  
    return 0;
  }
  

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