/usr/include/pacemaker/crm/common/iso8601.h is in libcrmcommon2-dev 1.1.6-2ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2005 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* http://en.wikipedia.org/wiki/ISO_8601
*
*/
#ifndef CRM_COMMON_ISO8601
#define CRM_COMMON_ISO8601
#include <crm/crm.h>
#include <time.h>
#include <ctype.h>
typedef struct ha_has_time_s {
gboolean years;
gboolean months;
gboolean days;
gboolean weeks;
gboolean weekdays;
gboolean weekyears;
gboolean yeardays;
gboolean hours;
gboolean minutes;
gboolean seconds;
} ha_has_time_t;
typedef struct ha_time_s
{
time_t tm_now;
int years;
int months;
int days;
int weeks;
int weekdays;
int weekyears;
int yeardays;
int hours;
int minutes;
int seconds;
struct ha_time_s *offset;
struct ha_time_s *normalized;
struct ha_has_time_s *has;
} ha_time_t;
enum date_fields {
date_month,
date_day
};
typedef struct ha_time_period_s
{
ha_time_t *start;
ha_time_t *end;
ha_time_t *diff;
} ha_time_period_t;
#define ha_log_date 0x01
#define ha_log_time 0x02
#define ha_log_local 0x04
#define ha_date_ordinal 0x10
#define ha_date_weeks 0x20
extern int str_lookup(const char *str, enum date_fields);
extern char *date_to_string(ha_time_t *dt, int flags);
extern void log_date(int log_level, const char *prefix, ha_time_t *dt, int flags);
extern void log_time_period(int log_level, ha_time_period_t *dtp, int flags);
extern ha_time_t *parse_time (char **time_str, ha_time_t *atime, gboolean with_offset);
extern ha_time_t *parse_time_offset (char **offset_str);
extern ha_time_t *parse_date (char **date_str);
extern ha_time_t *parse_time_duration(char **duration_str);
extern ha_time_period_t *parse_time_period (char **period_str);
/* ha_time_interval_t *parse_time_interval(char **interval_str); */
unsigned long long int date_in_seconds(ha_time_t *a_date);
unsigned long long int date_in_seconds_since_epoch(ha_time_t *a_date);
extern int compare_date(ha_time_t *lhs, ha_time_t *rhs);
extern gboolean parse_int(char **str, int field_width, int uppper_bound, int *result);
extern gboolean check_for_ordinal(const char *str);
extern void ha_set_time(ha_time_t *lhs, ha_time_t *rhs, gboolean offset);
extern void ha_set_tm_time(ha_time_t *lhs, struct tm *rhs);
extern void ha_set_timet_time(ha_time_t *lhs, time_t *rhs);
extern ha_time_t *add_time(ha_time_t *lhs, ha_time_t *rhs);
extern ha_time_t *subtract_time(ha_time_t *lhs, ha_time_t *rhs);
extern ha_time_t *subtract_duration(ha_time_t *time, ha_time_t *duration);
extern void reset_tm(struct tm *some_tm);
extern void add_seconds(ha_time_t *a_time, int extra);
extern void add_minutes(ha_time_t *a_time, int extra);
extern void add_hours(ha_time_t *a_time, int extra);
extern void add_days(ha_time_t *a_time, int extra);
extern void add_weekdays(ha_time_t *a_time, int extra);
extern void add_yeardays(ha_time_t *a_time, int extra);
extern void add_weeks(ha_time_t *a_time, int extra);
extern void add_months(ha_time_t *a_time, int extra);
extern void add_years(ha_time_t *a_time, int extra);
extern void add_ordinalyears(ha_time_t *a_time, int extra);
extern void add_weekyears(ha_time_t *a_time, int extra);
extern void sub_seconds(ha_time_t *a_time, int extra);
extern void sub_minutes(ha_time_t *a_time, int extra);
extern void sub_hours(ha_time_t *a_time, int extra);
extern void sub_days(ha_time_t *a_time, int extra);
extern void sub_weekdays(ha_time_t *a_time, int extra);
extern void sub_yeardays(ha_time_t *a_time, int extra);
extern void sub_weeks(ha_time_t *a_time, int extra);
extern void sub_months(ha_time_t *a_time, int extra);
extern void sub_years(ha_time_t *a_time, int extra);
extern void sub_ordinalyears(ha_time_t *a_time, int extra);
extern void sub_weekyears(ha_time_t *a_time, int extra);
/* conversion functions */
extern int january1(int year);
extern gboolean convert_from_weekdays(ha_time_t *a_date);
extern gboolean convert_from_ordinal(ha_time_t *a_date);
extern gboolean convert_from_gregorian(ha_time_t *a_date);
extern gboolean is_leap_year(int year);
extern int weeks_in_year(int year);
extern int days_per_month(int month, int year);
gboolean is_date_sane(ha_time_t *a_date);
ha_time_t *new_ha_date(gboolean set_to_now);
void free_ha_date(ha_time_t *a_date);
void reset_time(ha_time_t *a_time);
void log_tm_date(int log_level, struct tm *some_tm);
#endif
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