time/ctime_r.c

   1 /* Return in BUF representation of time T in form of asctime
   2    Copyright (C) 1996-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <time.h>
  21
  22 /* Return a string as returned by asctime which is the representation
  23    of *T in that form.  Reentrant version.  */
  24 char *
  25 __ctime64_r (const __time64_t *t, char *buf)
  26 {
  27   struct tm tm;
  28   return __asctime_r (__localtime64_r (t, &tm), buf);
  29 }
  30
  31 /* Provide a 32-bit variant if needed.  */
  32
  33 #if __TIMESIZE != 64
  34
  35 libc_hidden_def (__ctime64_r)
  36
  37 char *
  38 ctime_r (const time_t *t, char *buf)
  39 {
  40   __time64_t t64 = *t;
  41   return __ctime64_r (&t64, buf);
  42 }
  43
  44 #endif