kc3-lang/gnulib/lib/settime.c

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• Hash : f3d96537
  Author :
  Date : 2024-11-14T15:56:50
  

  Eliminate gcc -Wzero-as-null-pointer-constant warnings.
  
  * lib/argp-help.c: Use NULL, not 0, to denote a null pointer.
  * lib/argp-parse.c: Likewise.
  * lib/backup-find.c (get_version): Likewise.
  * lib/bitset/list.c: Likewise.
  * lib/bitset/stats.c (bitset_stats_init): Likewise.
  * lib/bitset/table.c: Likewise.
  * lib/bitsetv.c (bitsetv_alloc): Likewise.
  * lib/error.c (print_errno_message): Likewise.
  * lib/exclude.c (new_exclude_segment): Likewise.
  * lib/getopt.c (GETOPT_ENTRY): Likewise.
  * lib/human.c (block_size_args): Likewise.
  * lib/obstack.c (_obstack_begin_worker, _obstack_newchunk,
  _obstack_allocated_p, _obstack_free, _obstack_memory_used): Likewise.
  * lib/quotearg.c (quoting_style_args, quotearg_buffer_restyled,
  quotearg_alloc_mem): Likewise.
  * lib/readutmp.c (read_utmp_from_file): Likewise.
  * lib/savedir.c (comparison_function_table): Likewise.
  * lib/settime.c (settime): Likewise.
  * tests/nap.h (nap_works): Likewise.
  * tests/test-fts.c (argv, fts_dealloc, remove_tree, main): Likewise.
  * tests/test-getaddrinfo.c (simple): Likewise.
  * tests/test-nstrftime.h (posixtm_test, TZ, quarter_test, errno_test,
  locales_test): Likewise.
  * tests/test-parse-datetime.c (main): Likewise.
  * tests/test-regex.c (main): Likewise.
  

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• lib/settime.c

• /* settime -- set the system clock
  
     Copyright (C) 2002, 2004-2007, 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 Paul Eggert.  */
  
  #include <config.h>
  
  #include "timespec.h"
  
  #include <sys/time.h>
  #include <unistd.h>
  
  #include <errno.h>
  
  /* Set the system time.  */
  
  int
  settime (struct timespec const *ts)
  {
  #if defined CLOCK_REALTIME && HAVE_CLOCK_SETTIME
    {
      int r = clock_settime (CLOCK_REALTIME, ts);
      if (r == 0 || errno == EPERM)
        return r;
    }
  #endif
  
  #if HAVE_SETTIMEOFDAY
    {
      struct timeval tv = { .tv_sec = ts->tv_sec,
                            .tv_usec = ts->tv_nsec / 1000 };
      return settimeofday (&tv, NULL);
    }
  #elif HAVE_STIME
    /* This fails to compile on OSF1 V5.1, due to stime requiring
       a 'long int*' and tv_sec is 'int'.  But that system does provide
       settimeofday.  */
    return stime (&ts->tv_sec);
  #else
    errno = ENOSYS;
    return -1;
  #endif
  }
  

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