time.c

CFL是Unix下的通用抽象库,以简化Unix下的系统软件开发,CFL库中包含几个分组的函数和宏

/* ----------------------------------------------------------------------------
   CFL - A C Foundation Library
   Copyright (C) 1994-2003  Mark A Lindner

   This file is part of CFL.
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This 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
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   ----------------------------------------------------------------------------
   $Log: time.c,v $
   Revision 1.1  2003/03/03 08:20:08  markl
   Initial checkin (clean compile on Solaris & OS X)

   ----------------------------------------------------------------------------
*/

/* Feature test switches */

#include "config.h"

#define _POSIX_C_SOURCE 199506L

#ifdef linux
#define _XOPEN_SOURCE 500
#endif

/* System headers */

#include <time.h>

/* Local headers */

#include "cfl/defs.h"

/* Functions */

c_bool_t C_time_format(time_t t, char *buf, size_t bufsz, const char *format)
  {
  time_t t1;
  struct tm t2;

  t1 = (t ? t : time(NULL));
  (void)localtime_r(&t1, &t2);

  return((strftime(buf, bufsz, format, &t2) > 0) ? TRUE : FALSE);
  }

/*
 */

time_t C_time_parse(const char *buf, const char *format)
  {
  struct tm t;

  if(! strptime(buf, format, &t))
    return((time_t)0);
  
  return(mktime(&t));
  }

/* end of source file */