ctime.c

Linux下头文件time.h的实现源码

/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#undef	__OPTIMIZE__	/* Avoid inline `ctime' function.  */
#include <time.h>

#undef	ctime


/* Return a string as returned by asctime which
   is the representation of *T in that form.  */
char *
ctime (const time_t *t)
{
  /* The C Standard says ctime (t) is equivalent to asctime (localtime (t)).
     In particular, ctime and asctime must yield the same pointer.  */
  return asctime (localtime (t));
}