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Diffstat (limited to 'awklib/eg/lib/mktime.awk')
-rw-r--r-- | awklib/eg/lib/mktime.awk | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/awklib/eg/lib/mktime.awk b/awklib/eg/lib/mktime.awk deleted file mode 100644 index 57ff20e5..00000000 --- a/awklib/eg/lib/mktime.awk +++ /dev/null @@ -1,105 +0,0 @@ -# mktime.awk --- convert a canonical date representation -# into a timestamp -# Arnold Robbins, arnold@gnu.org, Public Domain -# May 1993 - -BEGIN \ -{ - # Initialize table of month lengths - _tm_months[0,1] = _tm_months[1,1] = 31 - _tm_months[0,2] = 28; _tm_months[1,2] = 29 - _tm_months[0,3] = _tm_months[1,3] = 31 - _tm_months[0,4] = _tm_months[1,4] = 30 - _tm_months[0,5] = _tm_months[1,5] = 31 - _tm_months[0,6] = _tm_months[1,6] = 30 - _tm_months[0,7] = _tm_months[1,7] = 31 - _tm_months[0,8] = _tm_months[1,8] = 31 - _tm_months[0,9] = _tm_months[1,9] = 30 - _tm_months[0,10] = _tm_months[1,10] = 31 - _tm_months[0,11] = _tm_months[1,11] = 30 - _tm_months[0,12] = _tm_months[1,12] = 31 -} -# decide if a year is a leap year -function _tm_isleap(year, ret) -{ - ret = (year % 4 == 0 && year % 100 != 0) || - (year % 400 == 0) - - return ret -} -# convert a date into seconds -function _tm_addup(a, total, yearsecs, daysecs, - hoursecs, i, j) -{ - hoursecs = 60 * 60 - daysecs = 24 * hoursecs - yearsecs = 365 * daysecs - - total = (a[1] - 1970) * yearsecs - - # extra day for leap years - for (i = 1970; i < a[1]; i++) - if (_tm_isleap(i)) - total += daysecs - - j = _tm_isleap(a[1]) - for (i = 1; i < a[2]; i++) - total += _tm_months[j, i] * daysecs - - total += (a[3] - 1) * daysecs - total += a[4] * hoursecs - total += a[5] * 60 - total += a[6] - - return total -} -# mktime --- convert a date into seconds, -# compensate for time zone - -function mktime(str, res1, res2, a, b, i, j, t, diff) -{ - i = split(str, a, " ") # don't rely on FS - - if (i != 6) - return -1 - - # force numeric - for (j in a) - a[j] += 0 - - # validate - if (a[1] < 1970 || - a[2] < 1 || a[2] > 12 || - a[3] < 1 || a[3] > 31 || - a[4] < 0 || a[4] > 23 || - a[5] < 0 || a[5] > 59 || - a[6] < 0 || a[6] > 60 ) - return -1 - - res1 = _tm_addup(a) - t = strftime("%Y %m %d %H %M %S", res1) - - if (_tm_debug) - printf("(%s) -> (%s)\n", str, t) > "/dev/stderr" - - split(t, b, " ") - res2 = _tm_addup(b) - - diff = res1 - res2 - - if (_tm_debug) - printf("diff = %d seconds\n", diff) > "/dev/stderr" - - res1 += diff - - return res1 -} -BEGIN { - if (_tm_test) { - printf "Enter date as yyyy mm dd hh mm ss: " - getline _tm_test_date - t = mktime(_tm_test_date) - r = strftime("%Y %m %d %H %M %S", t) - printf "Got back (%s)\n", r - } -} |