/src/libgit2/src/util/date.c

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/*
 * Copyright (C) the libgit2 contributors. All rights reserved.
 *
 * This file is part of libgit2, distributed under the GNU GPL v2 with
 * a Linking Exception. For full terms see the included COPYING file.
 */

#include "git2_util.h"

#ifndef GIT_WIN32
#include <sys/time.h>
#endif

#include "util.h"
#include "posix.h"
#include "date.h"

#include <ctype.h>
#include <time.h>

typedef enum {
  DATE_NORMAL = 0,
  DATE_RELATIVE,
  DATE_SHORT,
  DATE_LOCAL,
  DATE_ISO8601,
  DATE_RFC2822,
  DATE_RAW
} date_mode;

/*
 * This is like mktime, but without normalization of tm_wday and tm_yday.
 */
static git_time_t tm_to_time_t(const struct tm *tm)
{
  static const int mdays[] = {
      0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
  };
  int year = tm->tm_year - 70;
  int month = tm->tm_mon;
  int day = tm->tm_mday;

  if (year < 0 || year > 129) /* algo only works for 1970-2099 */
    return -1;
  if (month < 0 || month > 11) /* array bounds */
    return -1;
  if (month < 2 || (year + 2) % 4)
    day--;
  if (tm->tm_hour < 0 || tm->tm_min < 0 || tm->tm_sec < 0)
    return -1;
  return (year * 365 + (year + 1) / 4 + mdays[month] + day) * 24*60*60UL +
    tm->tm_hour * 60*60 + tm->tm_min * 60 + tm->tm_sec;
}

static const char *month_names[] = {
  "January", "February", "March", "April", "May", "June",
  "July", "August", "September", "October", "November", "December"
};

static const char *weekday_names[] = {
  "Sundays", "Mondays", "Tuesdays", "Wednesdays", "Thursdays", "Fridays", "Saturdays"
};



/*
 * Check these. And note how it doesn't do the summer-time conversion.
 *
 * In my world, it's always summer, and things are probably a bit off
 * in other ways too.
 */
static const struct {
  const char *name;
  int offset;
  int dst;
} timezone_names[] = {
  { "IDLW", -12, 0, },  /* International Date Line West */
  { "NT",   -11, 0, },  /* Nome */
  { "CAT",  -10, 0, },  /* Central Alaska */
  { "HST",  -10, 0, },  /* Hawaii Standard */
  { "HDT",  -10, 1, },  /* Hawaii Daylight */
  { "YST",   -9, 0, },  /* Yukon Standard */
  { "YDT",   -9, 1, },  /* Yukon Daylight */
  { "PST",   -8, 0, },  /* Pacific Standard */
  { "PDT",   -8, 1, },  /* Pacific Daylight */
  { "MST",   -7, 0, },  /* Mountain Standard */
  { "MDT",   -7, 1, },  /* Mountain Daylight */
  { "CST",   -6, 0, },  /* Central Standard */
  { "CDT",   -6, 1, },  /* Central Daylight */
  { "EST",   -5, 0, },  /* Eastern Standard */
  { "EDT",   -5, 1, },  /* Eastern Daylight */
  { "AST",   -3, 0, },  /* Atlantic Standard */
  { "ADT",   -3, 1, },  /* Atlantic Daylight */
  { "WAT",   -1, 0, },  /* West Africa */

  { "GMT",    0, 0, },  /* Greenwich Mean */
  { "UTC",    0, 0, },  /* Universal (Coordinated) */
  { "Z",      0, 0, },    /* Zulu, alias for UTC */

  { "WET",    0, 0, },  /* Western European */
  { "BST",    0, 1, },  /* British Summer */
  { "CET",   +1, 0, },  /* Central European */
  { "MET",   +1, 0, },  /* Middle European */
  { "MEWT",  +1, 0, },  /* Middle European Winter */
  { "MEST",  +1, 1, },  /* Middle European Summer */
  { "CEST",  +1, 1, },  /* Central European Summer */
  { "MESZ",  +1, 1, },  /* Middle European Summer */
  { "FWT",   +1, 0, },  /* French Winter */
  { "FST",   +1, 1, },  /* French Summer */
  { "EET",   +2, 0, },  /* Eastern Europe */
  { "EEST",  +2, 1, },  /* Eastern European Daylight */
  { "WAST",  +7, 0, },  /* West Australian Standard */
  { "WADT",  +7, 1, },  /* West Australian Daylight */
  { "CCT",   +8, 0, },  /* China Coast */
  { "JST",   +9, 0, },  /* Japan Standard */
  { "EAST", +10, 0, },  /* Eastern Australian Standard */
  { "EADT", +10, 1, },  /* Eastern Australian Daylight */
  { "GST",  +10, 0, },  /* Guam Standard */
  { "NZT",  +12, 0, },  /* New Zealand */
  { "NZST", +12, 0, },  /* New Zealand Standard */
  { "NZDT", +12, 1, },  /* New Zealand Daylight */
  { "IDLE", +12, 0, },  /* International Date Line East */
};

static size_t match_string(const char *date, const char *str)
{
  size_t i = 0;

  for (i = 0; *date; date++, str++, i++) {
    if (*date == *str)
      continue;
    if (git__toupper(*date) == git__toupper(*str))
      continue;
    if (!git__isalnum(*date))
      break;
    return 0;
  }
  return i;
}

static int skip_alpha(const char *date)
{
  int i = 0;
  do {
    i++;
  } while (git__isalpha(date[i]));
  return i;
}

/*
* Parse month, weekday, or timezone name
*/
static size_t match_alpha(const char *date, struct tm *tm, int *offset)
{
  unsigned int i;

  for (i = 0; i < 12; i++) {
    size_t match = match_string(date, month_names[i]);
    if (match >= 3) {
      tm->tm_mon = i;
      return match;
    }
  }

  for (i = 0; i < 7; i++) {
    size_t match = match_string(date, weekday_names[i]);
    if (match >= 3) {
      tm->tm_wday = i;
      return match;
    }
  }

  for (i = 0; i < ARRAY_SIZE(timezone_names); i++) {
    size_t match = match_string(date, timezone_names[i].name);
    if (match >= 3 || match == strlen(timezone_names[i].name)) {
      int off = timezone_names[i].offset;

      /* This is bogus, but we like summer */
      off += timezone_names[i].dst;

      /* Only use the tz name offset if we don't have anything better */
      if (*offset == -1)
        *offset = 60*off;

      return match;
    }
  }

  if (match_string(date, "PM") == 2) {
    tm->tm_hour = (tm->tm_hour % 12) + 12;
    return 2;
  }

  if (match_string(date, "AM") == 2) {
    tm->tm_hour = (tm->tm_hour % 12) + 0;
    return 2;
  }

  /* BAD */
  return skip_alpha(date);
}

static int is_date(int year, int month, int day, struct tm *now_tm, time_t now, struct tm *tm)
{
  if (month > 0 && month < 13 && day > 0 && day < 32) {
    struct tm check = *tm;
    struct tm *r = (now_tm ? &check : tm);
    git_time_t specified;

    r->tm_mon = month - 1;
    r->tm_mday = day;
    if (year == -1) {
      if (!now_tm)
        return 1;
      r->tm_year = now_tm->tm_year;
    }
    else if (year >= 1970 && year < 2100)
      r->tm_year = year - 1900;
    else if (year > 70 && year < 100)
      r->tm_year = year;
    else if (year < 38)
      r->tm_year = year + 100;
    else
      return 0;
    if (!now_tm)
      return 1;

    specified = tm_to_time_t(r);

    /* Be it commit time or author time, it does not make
     * sense to specify timestamp way into the future.  Make
     * sure it is not later than ten days from now...
     */
    if (now + 10*24*3600 < specified)
      return 0;
    tm->tm_mon = r->tm_mon;
    tm->tm_mday = r->tm_mday;
    if (year != -1)
      tm->tm_year = r->tm_year;
    return 1;
  }
  return 0;
}

static size_t match_multi_number(unsigned long num, char c, const char *date, char *end, struct tm *tm)
{
  time_t now;
  struct tm now_tm;
  struct tm *refuse_future;
  long num2, num3;

  num2 = strtol(end+1, &end, 10);
  num3 = -1;
  if (*end == c && git__isdigit(end[1]))
    num3 = strtol(end+1, &end, 10);

  /* Time? Date? */
  switch (c) {
  case ':':
    if (num3 < 0)
      num3 = 0;
    if (num < 25 && num2 >= 0 && num2 < 60 && num3 >= 0 && num3 <= 60) {
      tm->tm_hour = num;
      tm->tm_min = num2;
      tm->tm_sec = num3;
      break;
    }
    return 0;

  case '-':
  case '/':
  case '.':
    now = time(NULL);
    refuse_future = NULL;
    if (p_gmtime_r(&now, &now_tm))
      refuse_future = &now_tm;

    if (num > 70) {
      /* yyyy-mm-dd? */
      if (is_date(num, num2, num3, refuse_future, now, tm))
        break;
      /* yyyy-dd-mm? */
      if (is_date(num, num3, num2, refuse_future, now, tm))
        break;
    }
    /* Our eastern European friends say dd.mm.yy[yy]
     * is the norm there, so giving precedence to
     * mm/dd/yy[yy] form only when separator is not '.'
     */
    if (c != '.' &&
        is_date(num3, num, num2, refuse_future, now, tm))
      break;
    /* European dd.mm.yy[yy] or funny US dd/mm/yy[yy] */
    if (is_date(num3, num2, num, refuse_future, now, tm))
      break;
    /* Funny European mm.dd.yy */
    if (c == '.' &&
        is_date(num3, num, num2, refuse_future, now, tm))
      break;
    return 0;
  }
  return end - date;
}

/*
 * Have we filled in any part of the time/date yet?
 * We just do a binary 'and' to see if the sign bit
 * is set in all the values.
 */
static int nodate(struct tm *tm)
{
  return (tm->tm_year &
    tm->tm_mon &
    tm->tm_mday &
    tm->tm_hour &
    tm->tm_min &
    tm->tm_sec) < 0;
}

/*
 * We've seen a digit. Time? Year? Date?
 */
static size_t match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt)
{
  size_t n;
  char *end;
  unsigned long num;

  num = strtoul(date, &end, 10);

  /*
   * Seconds since 1970? We trigger on that for any numbers with
   * more than 8 digits. This is because we don't want to rule out
   * numbers like 20070606 as a YYYYMMDD date.
   */
  if (num >= 100000000 && nodate(tm)) {
    time_t time = num;
    if (p_gmtime_r(&time, tm)) {
      *tm_gmt = 1;
      return end - date;
    }
  }

  /*
   * Check for special formats: num[-.:/]num[same]num
   */
  switch (*end) {
  case ':':
  case '.':
  case '/':
  case '-':
    if (git__isdigit(end[1])) {
      size_t match = match_multi_number(num, *end, date, end, tm);
      if (match)
        return match;
    }
  }

  /*
   * None of the special formats? Try to guess what
   * the number meant. We use the number of digits
   * to make a more educated guess..
   */
  n = 0;
  do {
    n++;
  } while (git__isdigit(date[n]));

  /* Four-digit year or a timezone? */
  if (n == 4) {
    if (num <= 1400 && *offset == -1) {
      unsigned int minutes = num % 100;
      unsigned int hours = num / 100;
      *offset = hours*60 + minutes;
    } else if (num > 1900 && num < 2100)
      tm->tm_year = num - 1900;
    return n;
  }

  /*
   * Ignore lots of numerals. We took care of 4-digit years above.
   * Days or months must be one or two digits.
   */
  if (n > 2)
    return n;

  /*
   * NOTE! We will give precedence to day-of-month over month or
   * year numbers in the 1-12 range. So 05 is always "mday 5",
   * unless we already have a mday..
   *
   * IOW, 01 Apr 05 parses as "April 1st, 2005".
   */
  if (num > 0 && num < 32 && tm->tm_mday < 0) {
    tm->tm_mday = num;
    return n;
  }

  /* Two-digit year? */
  if (n == 2 && tm->tm_year < 0) {
    if (num < 10 && tm->tm_mday >= 0) {
      tm->tm_year = num + 100;
      return n;
    }
    if (num >= 70) {
      tm->tm_year = num;
      return n;
    }
  }

  if (num > 0 && num < 13 && tm->tm_mon < 0)
    tm->tm_mon = num-1;

  return n;
}

static size_t match_tz(const char *date, int *offp)
{
  char *end;
  int hour = strtoul(date + 1, &end, 10);
  size_t n = end - (date + 1);
  int min = 0;

  if (n == 4) {
    /* hhmm */
    min = hour % 100;
    hour = hour / 100;
  } else if (n != 2) {
    min = 99; /* random stuff */
  } else if (*end == ':') {
    /* hh:mm? */
    min = strtoul(end + 1, &end, 10);
    if (end - (date + 1) != 5)
      min = 99; /* random stuff */
  } /* otherwise we parsed "hh" */

  /*
   * Don't accept any random stuff. Even though some places have
   * offset larger than 12 hours (e.g. Pacific/Kiritimati is at
   * UTC+14), there is something wrong if hour part is much
   * larger than that. We might also want to check that the
   * minutes are divisible by 15 or something too. (Offset of
   * Kathmandu, Nepal is UTC+5:45)
   */
  if (min < 60 && hour < 24) {
    int offset = hour * 60 + min;
    if (*date == '-')
      offset = -offset;
    *offp = offset;
  }
  return end - date;
}

/*
 * Parse a string like "0 +0000" as ancient timestamp near epoch, but
 * only when it appears not as part of any other string.
 */
static int match_object_header_date(const char *date, git_time_t *timestamp, int *offset)
{
  char *end;
  unsigned long stamp;
  int ofs;

  if (*date < '0' || '9' <= *date)
    return -1;
  stamp = strtoul(date, &end, 10);
  if (*end != ' ' || stamp == ULONG_MAX || (end[1] != '+' && end[1] != '-'))
    return -1;
  date = end + 2;
  ofs = strtol(date, &end, 10);
  if ((*end != '\0' && (*end != '\n')) || end != date + 4)
    return -1;
  ofs = (ofs / 100) * 60 + (ofs % 100);
  if (date[-1] == '-')
    ofs = -ofs;
  *timestamp = stamp;
  *offset = ofs;
  return 0;
}

/* Gr. strptime is crap for this; it doesn't have a way to require RFC2822
   (i.e. English) day/month names, and it doesn't work correctly with %z. */
static int parse_date_basic(const char *date, git_time_t *timestamp, int *offset)
{
  struct tm tm;
  int tm_gmt;
  git_time_t dummy_timestamp;
  int dummy_offset;

  if (!timestamp)
    timestamp = &dummy_timestamp;
  if (!offset)
    offset = &dummy_offset;

  memset(&tm, 0, sizeof(tm));
  tm.tm_year = -1;
  tm.tm_mon = -1;
  tm.tm_mday = -1;
  tm.tm_isdst = -1;
  tm.tm_hour = -1;
  tm.tm_min = -1;
  tm.tm_sec = -1;
  *offset = -1;
  tm_gmt = 0;

  if (*date == '@' &&
      !match_object_header_date(date + 1, timestamp, offset))
    return 0; /* success */
  for (;;) {
    size_t match = 0;
    unsigned char c = *date;

    /* Stop at end of string or newline */
    if (!c || c == '\n')
      break;

    if (git__isalpha(c))
      match = match_alpha(date, &tm, offset);
    else if (git__isdigit(c))
      match = match_digit(date, &tm, offset, &tm_gmt);
    else if ((c == '-' || c == '+') && git__isdigit(date[1]))
      match = match_tz(date, offset);

    if (!match) {
      /* BAD */
      match = 1;
    }

    date += match;
  }

  /* mktime uses local timezone */
  *timestamp = tm_to_time_t(&tm);
  if (*offset == -1)
    *offset = (int)((time_t)*timestamp - mktime(&tm)) / 60;

  if (*timestamp == (git_time_t)-1)
    return -1;

  if (!tm_gmt)
    *timestamp -= *offset * 60;
  return 0; /* success */
}


/*
 * Relative time update (eg "2 days ago").  If we haven't set the time
 * yet, we need to set it from current time.
 */
static git_time_t update_tm(struct tm *tm, struct tm *now, unsigned long sec)
{
  time_t n;

  if (tm->tm_mday < 0)
    tm->tm_mday = now->tm_mday;
  if (tm->tm_mon < 0)
    tm->tm_mon = now->tm_mon;
  if (tm->tm_year < 0) {
    tm->tm_year = now->tm_year;
    if (tm->tm_mon > now->tm_mon)
      tm->tm_year--;
  }

  n = mktime(tm) - sec;
  p_localtime_r(&n, tm);
  return n;
}

static void date_now(struct tm *tm, struct tm *now, int *num)
{
   GIT_UNUSED(num);
  update_tm(tm, now, 0);
}

static void date_yesterday(struct tm *tm, struct tm *now, int *num)
{
   GIT_UNUSED(num);
  update_tm(tm, now, 24*60*60);
}

static void date_time(struct tm *tm, struct tm *now, int hour)
{
  if (tm->tm_hour < hour)
    date_yesterday(tm, now, NULL);
  tm->tm_hour = hour;
  tm->tm_min = 0;
  tm->tm_sec = 0;
}

static void date_midnight(struct tm *tm, struct tm *now, int *num)
{
   GIT_UNUSED(num);
  date_time(tm, now, 0);
}

static void date_noon(struct tm *tm, struct tm *now, int *num)
{
   GIT_UNUSED(num);
  date_time(tm, now, 12);
}

static void date_tea(struct tm *tm, struct tm *now, int *num)
{
   GIT_UNUSED(num);
  date_time(tm, now, 17);
}

static void date_pm(struct tm *tm, struct tm *now, int *num)
{
  int hour, n = *num;
  *num = 0;
   GIT_UNUSED(now);

  hour = tm->tm_hour;
  if (n) {
    hour = n;
    tm->tm_min = 0;
    tm->tm_sec = 0;
  }
  tm->tm_hour = (hour % 12) + 12;
}

static void date_am(struct tm *tm, struct tm *now, int *num)
{
  int hour, n = *num;
  *num = 0;
   GIT_UNUSED(now);

  hour = tm->tm_hour;
  if (n) {
    hour = n;
    tm->tm_min = 0;
    tm->tm_sec = 0;
  }
  tm->tm_hour = (hour % 12);
}

static void date_never(struct tm *tm, struct tm *now, int *num)
{
  time_t n = 0;
   GIT_UNUSED(now);
   GIT_UNUSED(num);
  p_localtime_r(&n, tm);
}

static const struct special {
  const char *name;
  void (*fn)(struct tm *, struct tm *, int *);
} special[] = {
  { "yesterday", date_yesterday },
  { "noon", date_noon },
  { "midnight", date_midnight },
  { "tea", date_tea },
  { "PM", date_pm },
  { "AM", date_am },
  { "never", date_never },
  { "now", date_now },
  { NULL }
};

static const char *number_name[] = {
  "zero", "one", "two", "three", "four",
  "five", "six", "seven", "eight", "nine", "ten",
};

static const struct typelen {
  const char *type;
  int length;
} typelen[] = {
  { "seconds", 1 },
  { "minutes", 60 },
  { "hours", 60*60 },
  { "days", 24*60*60 },
  { "weeks", 7*24*60*60 },
  { NULL }
};

static const char *approxidate_alpha(const char *date, struct tm *tm, struct tm *now, int *num, int *touched)
{
  const struct typelen *tl;
  const struct special *s;
  const char *end = date;
  int i;

  while (git__isalpha(*++end))
    /* scan to non-alpha */;

  for (i = 0; i < 12; i++) {
    size_t match = match_string(date, month_names[i]);
    if (match >= 3) {
      tm->tm_mon = i;
      *touched = 1;
      return end;
    }
  }

  for (s = special; s->name; s++) {
    size_t len = strlen(s->name);
    if (match_string(date, s->name) == len) {
      s->fn(tm, now, num);
      *touched = 1;
      return end;
    }
  }

  if (!*num) {
    for (i = 1; i < 11; i++) {
      size_t len = strlen(number_name[i]);
      if (match_string(date, number_name[i]) == len) {
        *num = i;
        *touched = 1;
        return end;
      }
    }
    if (match_string(date, "last") == 4) {
      *num = 1;
      *touched = 1;
    }
    return end;
  }

  tl = typelen;
  while (tl->type) {
    size_t len = strlen(tl->type);
    if (match_string(date, tl->type) >= len-1) {
      update_tm(tm, now, tl->length * (unsigned long)*num);
      *num = 0;
      *touched = 1;
      return end;
    }
    tl++;
  }

  for (i = 0; i < 7; i++) {
    size_t match = match_string(date, weekday_names[i]);
    if (match >= 3) {
      int diff, n = *num -1;
      *num = 0;

      diff = tm->tm_wday - i;
      if (diff <= 0)
        n++;
      diff += 7*n;

      update_tm(tm, now, diff * 24 * 60 * 60);
      *touched = 1;
      return end;
    }
  }

  if (match_string(date, "months") >= 5) {
    int n;
    update_tm(tm, now, 0); /* fill in date fields if needed */
    n = tm->tm_mon - *num;
    *num = 0;
    while (n < 0) {
      n += 12;
      tm->tm_year--;
    }
    tm->tm_mon = n;
    *touched = 1;
    return end;
  }

  if (match_string(date, "years") >= 4) {
    update_tm(tm, now, 0); /* fill in date fields if needed */
    tm->tm_year -= *num;
    *num = 0;
    *touched = 1;
    return end;
  }

  return end;
}

static const char *approxidate_digit(const char *date, struct tm *tm, int *num)
{
  char *end;
  unsigned long number = strtoul(date, &end, 10);

  switch (*end) {
  case ':':
  case '.':
  case '/':
  case '-':
    if (git__isdigit(end[1])) {
      size_t match = match_multi_number(number, *end, date, end, tm);
      if (match)
        return date + match;
    }
  }

  /* Accept zero-padding only for small numbers ("Dec 02", never "Dec 0002") */
  if (date[0] != '0' || end - date <= 2)
    *num = number;
  return end;
}

/*
 * Do we have a pending number at the end, or when
 * we see a new one? Let's assume it's a month day,
 * as in "Dec 6, 1992"
 */
static void pending_number(struct tm *tm, int *num)
{
  int number = *num;

  if (number) {
    *num = 0;
    if (tm->tm_mday < 0 && number < 32)
      tm->tm_mday = number;
    else if (tm->tm_mon < 0 && number < 13)
      tm->tm_mon = number-1;
    else if (tm->tm_year < 0) {
      if (number > 1969 && number < 2100)
        tm->tm_year = number - 1900;
      else if (number > 69 && number < 100)
        tm->tm_year = number;
      else if (number < 38)
        tm->tm_year = 100 + number;
      /* We mess up for number = 00 ? */
    }
  }
}

static git_time_t approxidate_str(const char *date,
  time_t time_sec,
  int *error_ret)
{
  int number = 0;
  int touched = 0;
  struct tm tm = {0}, now;

  p_localtime_r(&time_sec, &tm);
  now = tm;

  tm.tm_year = -1;
  tm.tm_mon = -1;
  tm.tm_mday = -1;

  for (;;) {
    unsigned char c = *date;
    if (!c)
      break;
    date++;
    if (git__isdigit(c)) {
      pending_number(&tm, &number);
      date = approxidate_digit(date-1, &tm, &number);
      touched = 1;
      continue;
    }
    if (git__isalpha(c))
      date = approxidate_alpha(date-1, &tm, &now, &number, &touched);
  }
  pending_number(&tm, &number);
  if (!touched)
    *error_ret = -1;
  return update_tm(&tm, &now, 0);
}

int git_date_offset_parse(git_time_t *out, int *out_offset, const char *date)
{
  time_t time_sec;
  git_time_t timestamp;
  int offset, error_ret=0;

  if (!parse_date_basic(date, &timestamp, &offset)) {
    *out = timestamp;
    *out_offset = offset;
    return 0;
  }

  if (time(&time_sec) == -1)
    return -1;

  *out = approxidate_str(date, time_sec, &error_ret);
  return error_ret;
}

int git_date_parse(git_time_t *out, const char *date)
{
  int offset;

  return git_date_offset_parse(out, &offset, date);
}

int git_date_rfc2822_fmt(git_str *out, git_time_t time, int offset)
{
  time_t t;
  struct tm gmt;

  GIT_ASSERT_ARG(out);

  t = (time_t) (time + offset * 60);

  if (p_gmtime_r(&t, &gmt) == NULL)
    return -1;

  return git_str_printf(out, "%.3s, %u %.3s %.4u %02u:%02u:%02u %+03d%02d",
    weekday_names[gmt.tm_wday],
    gmt.tm_mday,
    month_names[gmt.tm_mon],
    gmt.tm_year + 1900,
    gmt.tm_hour, gmt.tm_min, gmt.tm_sec,
    offset / 60, offset % 60);
}


Coverage Report

Created: 2025-06-20 06:36