time/ctime.c

   1 /* Copyright (C) 1991-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <time.h>
  19
  20 /* Return a string as returned by asctime which
  21    is the representation of *T in that form.  */
  22 char *
  23 __ctime64 (const __time64_t *t)
  24 {
  25   /* The C Standard says ctime (t) is equivalent to asctime (localtime (t)).
  26      In particular, ctime and asctime must yield the same pointer.  */
  27   return asctime (__localtime64 (t));
  28 }
  29
  30 /* Provide a 32-bit variant if needed.  */
  31
  32 #if __TIMESIZE != 64
  33
  34 libc_hidden_def (__ctime64)
  35
  36 char *
  37 ctime (const time_t *t)
  38 {
  39   __time64_t t64 = *t;
  40   return __ctime64 (&t64);
  41 }
  42
  43 #endif