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#ifndef DATE_H
#define DATE_H
/**
* The date mode type. This has DATE_NORMAL at an explicit "= 0" to
* accommodate a memset([...], 0, [...]) initialization when "struct
* date_mode" is used as an embedded struct member, as in the case of
* e.g. "struct pretty_print_context" and "struct rev_info".
*/
enum date_mode_type {
DATE_NORMAL = 0,
DATE_HUMAN,
DATE_RELATIVE,
DATE_SHORT,
DATE_ISO8601,
DATE_ISO8601_STRICT,
DATE_RFC2822,
DATE_STRFTIME,
DATE_RAW,
DATE_UNIX
};
struct date_mode {
enum date_mode_type type;
const char *strftime_fmt;
int local;
};
#define DATE_MODE_INIT { \
.type = DATE_NORMAL, \
}
/**
* Convenience helper for passing a constant type, like:
*
* show_date(t, tz, DATE_MODE(NORMAL));
*/
#define DATE_MODE(t) date_mode_from_type(DATE_##t)
struct date_mode *date_mode_from_type(enum date_mode_type type);
/**
* Format <'time', 'timezone'> into static memory according to 'mode'
* and return it. The mode is an initialized "struct date_mode"
* (usually from the DATE_MODE() macro).
*/
const char *show_date(timestamp_t time, int timezone, const struct date_mode *mode);
/**
* Parse a date format for later use with show_date().
*
* When the "date_mode_type" is DATE_STRFTIME the "strftime_fmt"
* member of "struct date_mode" will be a malloc()'d format string to
* be used with strbuf_addftime(), in which case you'll need to call
* date_mode_release() later.
*/
void parse_date_format(const char *format, struct date_mode *mode);
/**
* Release a "struct date_mode", currently only required if
* parse_date_format() has parsed a "DATE_STRFTIME" format.
*/
void date_mode_release(struct date_mode *mode);
void show_date_relative(timestamp_t time, struct strbuf *timebuf);
int parse_date(const char *date, struct strbuf *out);
int parse_date_basic(const char *date, timestamp_t *timestamp, int *offset);
int parse_expiry_date(const char *date, timestamp_t *timestamp);
void datestamp(struct strbuf *out);
#define approxidate(s) approxidate_careful((s), NULL)
timestamp_t approxidate_careful(const char *, int *);
int date_overflows(timestamp_t date);
time_t tm_to_time_t(const struct tm *tm);
#endif
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