usr/src/lib/libast/common/comp/getdate.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23 /*
  24  * getdate implementation
  25  */
  26
  27 #define getdate ______getdate
  28
  29 #include <ast.h>
  30 #include <tm.h>
  31
  32 #undef  getdate
  33
  34 #undef  _def_map_ast
  35 #include <ast_map.h>
  36
  37 #undef  _lib_getdate    /* we can pass X/Open */
  38
  39 #if _lib_getdate
  40
  41 NoN(getdate)
  42
  43 #else
  44
  45 #ifndef getdate_err
  46 __DEFINE__(int, getdate_err, 0);
  47 #endif
  48
  49 #if defined(__EXPORT__)
  50 #define extern  __EXPORT__
  51 #endif
  52
  53 extern struct tm*
  54 getdate(const char* s)
  55 {
  56         char*                   e;
  57         char*                   f;
  58         time_t                  t;
  59         Tm_t*                   tm;
  60
  61         static struct tm        ts;
  62
  63         t = tmscan(s, &e, NiL, &f, NiL, TM_PEDANTIC);
  64         if (*e || *f)
  65         {
  66                 /* of course we all know what 7 means */
  67                 getdate_err = 7;
  68                 return 0;
  69         }
  70         tm = tmmake(&t);
  71         ts.tm_sec = tm->tm_sec;
  72         ts.tm_min = tm->tm_min;
  73         ts.tm_hour = tm->tm_hour;
  74         ts.tm_mday = tm->tm_mday;
  75         ts.tm_mon = tm->tm_mon;
  76         ts.tm_year = tm->tm_year;
  77         ts.tm_wday = tm->tm_wday;
  78         ts.tm_yday = tm->tm_yday;
  79         ts.tm_isdst = tm->tm_isdst;
  80         return &ts;
  81 }
  82
  83 #endif