AppleX509TP/tpTime.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /*
  20  * tpTime.h - cert related time functions
  21  *
  22  * Written 10/10/2000 by Doug Mitchell.
  23  */
  24
  25 #ifndef _TP_TIME_H_
  26 #define _TP_TIME_H_
  27
  28 #include <time.h>
  29
  30 #ifdef  __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 /*
  35  * Given a string containing either a UTC-style or "generalized time"
  36  * time string, convert to a struct tm (in GMT/UTC). Returns nonzero on
  37  * error.
  38  */
  39 extern int timeStringToTm(
  40         const char                      *str,
  41         unsigned                        len,
  42         struct tm                       *tmp);
  43
  44 /* return current GMT time as a struct tm */
  45 extern void nowTime(
  46         struct tm                       *now);
  47
  48 /*
  49  * Compare two times. Assumes they're both in GMT. Returns:
  50  * -1 if t1 <  t2
  51  *  0 if t1 == t2
  52  *  1 if t1 >  t2
  53  */
  54 extern int compareTimes(
  55         const struct tm         *t1,
  56         const struct tm         *t2);
  57
  58 #ifdef  __cplusplus
  59 }
  60 #endif
  61
  62 #endif  /* _TP_TIME_H_*/