headers/private/fs_shell/fssh_time.h

   1 /*
   2  * Copyright 2005-2009, Haiku Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _FSSH_TIME_H_
   6 #define _FSSH_TIME_H_
   7
   8
   9 #include "fssh_defs.h"
  10
  11
  12 #if defined(__i386__) && !defined(__x86_64__)
  13 typedef int32_t fssh_time_t;
  14 #else
  15 typedef int64_t fssh_time_t;
  16 #endif
  17
  18 typedef int32_t fssh_clock_t;
  19 typedef int32_t fssh_suseconds_t;
  20 typedef uint32_t fssh_useconds_t;
  21
  22 #define FSSH_CLOCKS_PER_SEC     1000
  23 #define FSSH_CLK_TCK            FSSH_CLOCKS_PER_SEC
  24
  25 #define FSSH_MAX_TIMESTR        70
  26         /* maximum length of a string returned by asctime(), and ctime() */
  27
  28 struct fssh_timespec {
  29         fssh_time_t     tv_sec;         /* seconds */
  30         long            tv_nsec;        /* and nanoseconds */
  31 };
  32
  33 struct fssh_itimerspec {
  34         struct fssh_timespec it_interval;
  35         struct fssh_timespec it_value;
  36 };
  37
  38 struct fssh_tm {
  39         int     tm_sec;
  40         int     tm_min;
  41         int     tm_hour;
  42         int     tm_mday;        /* day of month (1 to 31) */
  43         int     tm_mon;         /* months since January (0 to 11) */
  44         int     tm_year;        /* years since 1900 */
  45         int     tm_wday;        /* days since Sunday (0 to 6, Sunday = 0, ...) */
  46         int     tm_yday;        /* days since January 1 (0 to 365) */
  47         int     tm_isdst;       /* daylight savings time (0 == no, >0 == yes, <0 == has to be calculated */
  48         int tm_gmtoff;  /* timezone offset to GMT */
  49         char *tm_zone;  /* timezone name */
  50 };
  51
  52
  53 /* special timezone support */
  54 extern char *fssh_tzname[2];
  55 extern int      fssh_daylight;
  56 extern long     fssh_timezone;
  57
  58
  59 #ifdef __cplusplus
  60 extern "C" {
  61 #endif
  62
  63 extern fssh_clock_t             fssh_clock(void);
  64 extern double                   fssh_difftime(fssh_time_t time1, fssh_time_t time2);
  65 extern fssh_time_t              fssh_mktime(struct fssh_tm *tm);
  66 extern fssh_time_t              fssh_time(fssh_time_t *timer);
  67 extern char                             *fssh_asctime(const struct fssh_tm *tm);
  68 extern char                             *fssh_asctime_r(const struct fssh_tm *timep,
  69                                                                 char *buffer);
  70 extern  char                    *fssh_ctime(const fssh_time_t *timer);
  71 extern char                             *fssh_ctime_r(const fssh_time_t *timer, char *buffer);
  72 extern struct fssh_tm   *fssh_gmtime(const fssh_time_t *timer);
  73 extern struct fssh_tm   *fssh_gmtime_r(const fssh_time_t *timer,
  74                                                                 struct fssh_tm *tm);
  75 extern struct fssh_tm   *fssh_localtime(const fssh_time_t *timer);
  76 extern struct fssh_tm   *fssh_localtime_r(const fssh_time_t *timer,
  77                                                                 struct fssh_tm *tm);
  78 extern fssh_size_t              fssh_strftime(char *buffer, fssh_size_t maxSize,
  79                                                                 const char *format, const struct fssh_tm *tm);
  80 extern char                     *fssh_strptime(const char *buf, const char *format,
  81                                                                 struct fssh_tm *tm);
  82
  83 /* special timezone support */
  84 extern void fssh_tzset(void);
  85 extern int      fssh_stime(const fssh_time_t *t);
  86
  87 #ifdef __cplusplus
  88 }
  89 #endif
  90
  91 #endif  /* _FSSH_TIME_H_ */