refactor(mmime): rustify mailimf_data_time

This commit is contained in:
dignifiedquire
2019-09-28 14:09:53 -06:00
parent 2abfd037ca
commit c78753e8fa
6 changed files with 204 additions and 221 deletions

View File

@@ -207,15 +207,16 @@ unsafe fn display_mime_fields(mut fields: *mut mailmime_fields) {
unsafe fn display_date_time(mut d: *mut mailimf_date_time) {
print!(
"{:02}/{:02}/{:02} {:02}:{:02}:{:02} +{:04}",
(*d).dt_day,
(*d).dt_month,
(*d).dt_year,
(*d).dt_hour,
(*d).dt_min,
(*d).dt_sec,
(*d).dt_zone,
(*d).day,
(*d).month,
(*d).year,
(*d).hour,
(*d).min,
(*d).sec,
(*d).zone,
);
}
unsafe fn display_orig_date(mut orig_date: *mut mailimf_orig_date) {
display_date_time((*orig_date).dt_date_time);
}

View File

@@ -2849,16 +2849,16 @@ pub unsafe fn mailimf_date_time_parse(
let mut cur_token: size_t = 0;
let mut day_of_week: libc::c_int = 0;
let mut date_time: *mut mailimf_date_time = 0 as *mut mailimf_date_time;
let mut day: libc::c_int = 0;
let mut month: libc::c_int = 0;
let mut year: libc::c_int = 0;
let mut hour: libc::c_int = 0;
let mut min: libc::c_int = 0;
let mut sec: libc::c_int = 0;
let mut zone: libc::c_int = 0;
let mut day = 0;
let mut month = 0;
let mut year = 0;
let mut hour = 0;
let mut min = 0;
let mut sec = 0;
let mut zone = 0;
let mut r: libc::c_int = 0;
cur_token = *indx;
day_of_week = -1i32;
day_of_week = -1;
r = mailimf_day_of_week_parse(message, length, &mut cur_token, &mut day_of_week);
if r == MAILIMF_NO_ERROR as libc::c_int {
r = mailimf_comma_parse(message, length, &mut cur_token);
@@ -2870,9 +2870,9 @@ pub unsafe fn mailimf_date_time_parse(
} else if r != MAILIMF_ERROR_PARSE as libc::c_int {
return r;
}
day = 0i32;
month = 0i32;
year = 0i32;
day = 0;
month = 0;
year = 0;
r = mailimf_date_parse(
message,
length,
@@ -2897,10 +2897,10 @@ pub unsafe fn mailimf_date_time_parse(
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
hour = 0i32;
min = 0i32;
sec = 0i32;
zone = 0i32;
hour = 0;
min = 0;
sec = 0;
zone = 0;
r = mailimf_time_parse(
message,
length,
@@ -2925,16 +2925,16 @@ unsafe fn mailimf_time_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut phour: *mut libc::c_int,
mut pmin: *mut libc::c_int,
mut psec: *mut libc::c_int,
mut pzone: *mut libc::c_int,
mut phour: *mut u32,
mut pmin: *mut u32,
mut psec: *mut u32,
mut pzone: *mut i32,
) -> libc::c_int {
let mut cur_token: size_t = 0;
let mut hour: libc::c_int = 0;
let mut min: libc::c_int = 0;
let mut sec: libc::c_int = 0;
let mut zone: libc::c_int = 0;
let mut hour = 0;
let mut min = 0;
let mut sec = 0;
let mut zone = 0;
let mut r: libc::c_int = 0;
cur_token = *indx;
r = mailimf_cfws_parse(message, length, &mut cur_token);
@@ -2959,7 +2959,7 @@ unsafe fn mailimf_time_parse(
r = mailimf_zone_parse(message, length, &mut cur_token, &mut zone);
if !(r == MAILIMF_NO_ERROR as libc::c_int) {
if r == MAILIMF_ERROR_PARSE as libc::c_int {
zone = 0i32
zone = 0
} else {
return r;
}
@@ -2969,31 +2969,32 @@ unsafe fn mailimf_time_parse(
*psec = sec;
*pzone = zone;
*indx = cur_token;
return MAILIMF_NO_ERROR as libc::c_int;
MAILIMF_NO_ERROR as libc::c_int
}
unsafe fn mailimf_zone_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut result: *mut libc::c_int,
mut result: *mut i32,
) -> libc::c_int {
let mut zone: libc::c_int = 0;
let mut zone = 0;
let mut sign: libc::c_int = 0;
let mut cur_token: size_t = 0;
let mut r: libc::c_int = 0;
let mut value: uint32_t = 0;
let mut value = 0;
cur_token = *indx;
if cur_token.wrapping_add(1i32 as libc::size_t) < length {
if *message.offset(cur_token as isize) as libc::c_int == 'U' as i32
&& *message.offset(cur_token.wrapping_add(1i32 as libc::size_t) as isize) as libc::c_int
== 'T' as i32
{
*result = 1i32;
*result = 1;
*indx = cur_token.wrapping_add(2i32 as libc::size_t);
return MAILIMF_NO_ERROR as libc::c_int;
}
}
zone = 0i32;
zone = 0;
if cur_token.wrapping_add(2i32 as libc::size_t) < length {
let mut state: libc::c_int = 0;
state = STATE_ZONE_1 as libc::c_int;
@@ -3024,7 +3025,7 @@ unsafe fn mailimf_zone_parse(
as size_t as size_t;
state = STATE_ZONE_CONT as libc::c_int
} else {
zone = 0i32;
zone = 0;
state = STATE_ZONE_OK as libc::c_int
}
} else {
@@ -3032,19 +3033,19 @@ unsafe fn mailimf_zone_parse(
}
}
69 => {
zone = -5i32;
zone = -5;
state = STATE_ZONE_2 as libc::c_int
}
67 => {
zone = -6i32;
zone = -6;
state = STATE_ZONE_2 as libc::c_int
}
77 => {
zone = -7i32;
zone = -7;
state = STATE_ZONE_2 as libc::c_int
}
80 => {
zone = -8i32;
zone = -8;
state = STATE_ZONE_2 as libc::c_int
}
_ => state = STATE_ZONE_CONT as libc::c_int,
@@ -3066,7 +3067,7 @@ unsafe fn mailimf_zone_parse(
as libc::c_int
== 'T' as i32
{
zone *= 100i32;
zone *= 100;
state = STATE_ZONE_OK as libc::c_int
} else {
state = STATE_ZONE_ERR as libc::c_int
@@ -3107,7 +3108,7 @@ unsafe fn mailimf_zone_parse(
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
zone = value.wrapping_mul(sign as libc::c_uint) as libc::c_int;
zone = value.wrapping_mul(sign as libc::c_uint) as i32;
*indx = cur_token;
*result = zone;
return MAILIMF_NO_ERROR as libc::c_int;
@@ -3192,13 +3193,13 @@ unsafe fn mailimf_time_of_day_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut phour: *mut libc::c_int,
mut pmin: *mut libc::c_int,
mut psec: *mut libc::c_int,
mut phour: *mut u32,
mut pmin: *mut u32,
mut psec: *mut u32,
) -> libc::c_int {
let mut hour: libc::c_int = 0;
let mut min: libc::c_int = 0;
let mut sec: libc::c_int = 0;
let mut hour = 0;
let mut min = 0;
let mut sec = 0;
let mut cur_token: size_t = 0;
let mut r: libc::c_int = 0;
cur_token = *indx;
@@ -3221,7 +3222,7 @@ unsafe fn mailimf_time_of_day_parse(
return r;
}
} else if r == MAILIMF_ERROR_PARSE as libc::c_int {
sec = 0i32
sec = 0;
} else {
return r;
}
@@ -3235,72 +3236,75 @@ unsafe fn mailimf_second_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut result: *mut libc::c_int,
mut result: *mut u32,
) -> libc::c_int {
let mut second: uint32_t = 0;
let mut second = 0;
let mut r: libc::c_int = 0;
r = mailimf_number_parse(message, length, indx, &mut second);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
*result = second as libc::c_int;
return MAILIMF_NO_ERROR as libc::c_int;
*result = second as u32;
MAILIMF_NO_ERROR as libc::c_int
}
unsafe fn mailimf_minute_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut result: *mut libc::c_int,
mut result: *mut u32,
) -> libc::c_int {
let mut minute: uint32_t = 0;
let mut minute = 0;
let mut r: libc::c_int = 0;
r = mailimf_number_parse(message, length, indx, &mut minute);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
*result = minute as libc::c_int;
return MAILIMF_NO_ERROR as libc::c_int;
*result = minute as u32;
MAILIMF_NO_ERROR as libc::c_int
}
unsafe fn mailimf_hour_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut result: *mut libc::c_int,
mut result: *mut u32,
) -> libc::c_int {
let mut hour: uint32_t = 0;
let mut hour = 0;
let mut r: libc::c_int = 0;
r = mailimf_number_parse(message, length, indx, &mut hour);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
*result = hour as libc::c_int;
return MAILIMF_NO_ERROR as libc::c_int;
*result = hour as u32;
MAILIMF_NO_ERROR as libc::c_int
}
unsafe fn mailimf_broken_date_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut pday: *mut libc::c_int,
mut pmonth: *mut libc::c_int,
mut pyear: *mut libc::c_int,
mut pday: *mut u32,
mut pmonth: *mut u32,
mut pyear: *mut i32,
) -> libc::c_int {
let mut cur_token: size_t = 0;
let mut day: libc::c_int = 0;
let mut month: libc::c_int = 0;
let mut year: libc::c_int = 0;
let mut day = 0;
let mut month = 0;
let mut year = 0;
let mut r: libc::c_int = 0;
cur_token = *indx;
month = 1i32;
month = 1;
r = mailimf_month_parse(message, length, &mut cur_token, &mut month);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
day = 1i32;
day = 1;
r = mailimf_day_parse(message, length, &mut cur_token, &mut day);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
year = 2001i32;
year = 2001;
r = mailimf_year_parse(message, length, &mut cur_token, &mut year);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
@@ -3315,9 +3319,9 @@ unsafe fn mailimf_year_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut result: *mut libc::c_int,
mut result: *mut i32,
) -> libc::c_int {
let mut number: uint32_t = 0;
let mut number = 0;
let mut cur_token: size_t = 0;
let mut r: libc::c_int = 0;
cur_token = *indx;
@@ -3330,17 +3334,18 @@ unsafe fn mailimf_year_parse(
return r;
}
*indx = cur_token;
*result = number as libc::c_int;
return MAILIMF_NO_ERROR as libc::c_int;
*result = number as i32;
MAILIMF_NO_ERROR as libc::c_int
}
unsafe fn mailimf_day_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut result: *mut libc::c_int,
mut result: *mut u32,
) -> libc::c_int {
let mut cur_token: size_t = 0;
let mut day: uint32_t = 0;
let mut day = 0;
let mut r: libc::c_int = 0;
cur_token = *indx;
r = mailimf_cfws_parse(message, length, &mut cur_token);
@@ -3351,18 +3356,19 @@ unsafe fn mailimf_day_parse(
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
*result = day as libc::c_int;
*result = day as u32;
*indx = cur_token;
return MAILIMF_NO_ERROR as libc::c_int;
MAILIMF_NO_ERROR as libc::c_int
}
unsafe fn mailimf_month_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut result: *mut libc::c_int,
mut result: *mut u32,
) -> libc::c_int {
let mut cur_token: size_t = 0;
let mut month: libc::c_int = 0;
let mut month = 0;
let mut r: libc::c_int = 0;
cur_token = *indx;
r = mailimf_cfws_parse(message, length, &mut cur_token);
@@ -3375,38 +3381,41 @@ unsafe fn mailimf_month_parse(
}
*result = month;
*indx = cur_token;
return MAILIMF_NO_ERROR as libc::c_int;
MAILIMF_NO_ERROR as libc::c_int
}
unsafe fn mailimf_month_name_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut result: *mut libc::c_int,
mut result: *mut u32,
) -> libc::c_int {
let mut cur_token: size_t = 0;
let mut month: libc::c_int = 0;
let mut guessed_month: libc::c_int = 0;
let mut r: libc::c_int = 0;
let mut month: u32 = 0;
cur_token = *indx;
guessed_month = guess_month(message, length, cur_token);
if guessed_month == -1i32 {
let guessed_month = guess_month(message, length, cur_token);
if guessed_month < 0 {
return MAILIMF_ERROR_PARSE as libc::c_int;
}
r = mailimf_token_case_insensitive_len_parse(
let r = mailimf_token_case_insensitive_len_parse(
message,
length,
&mut cur_token,
month_names[(guessed_month - 1i32) as usize].str_0,
strlen(month_names[(guessed_month - 1i32) as usize].str_0),
month_names[(guessed_month - 1) as usize].str_0,
strlen(month_names[(guessed_month - 1) as usize].str_0),
);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
month = guessed_month;
month = guessed_month as u32;
*result = month;
*indx = cur_token;
return MAILIMF_NO_ERROR as libc::c_int;
MAILIMF_NO_ERROR as libc::c_int
}
/*
month-name = "Jan" / "Feb" / "Mar" / "Apr" /
"May" / "Jun" / "Jul" / "Aug" /
@@ -3543,27 +3552,27 @@ unsafe fn mailimf_date_parse(
mut message: *const libc::c_char,
mut length: size_t,
mut indx: *mut size_t,
mut pday: *mut libc::c_int,
mut pmonth: *mut libc::c_int,
mut pyear: *mut libc::c_int,
mut pday: *mut u32,
mut pmonth: *mut u32,
mut pyear: *mut i32,
) -> libc::c_int {
let mut cur_token: size_t = 0;
let mut day: libc::c_int = 0;
let mut month: libc::c_int = 0;
let mut year: libc::c_int = 0;
let mut day = 0;
let mut month = 0;
let mut year = 0;
let mut r: libc::c_int = 0;
cur_token = *indx;
day = 1i32;
day = 1;
r = mailimf_day_parse(message, length, &mut cur_token, &mut day);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
month = 1i32;
month = 1;
r = mailimf_month_parse(message, length, &mut cur_token, &mut month);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
}
year = 2001i32;
year = 2001;
r = mailimf_year_parse(message, length, &mut cur_token, &mut year);
if r != MAILIMF_NO_ERROR as libc::c_int {
return r;
@@ -3631,7 +3640,7 @@ unsafe fn mailimf_day_name_parse(
day_of_week = guessed_day;
*result = day_of_week;
*indx = cur_token;
return MAILIMF_NO_ERROR as libc::c_int;
MAILIMF_NO_ERROR as libc::c_int
}
static mut day_names: [mailimf_token_value; 7] = [
mailimf_token_value {

View File

@@ -13,39 +13,26 @@ use crate::other::*;
allocation functions will return NULL on failure
*/
/*
mailimf_date_time is a date
- day is the day of month (1 to 31)
- month (1 to 12)
- year (4 digits)
- hour (0 to 23)
- min (0 to 59)
- sec (0 to 59)
- zone (this is the decimal value that we can read, for example:
for "-0200", the value is -200)
*/
#[derive(Copy, Clone, Debug)]
#[repr(C)]
/// Date
/// - day is the day of month (1 to 31)
/// - month (1 to 12)
/// - year (4 digits)
/// - hour (0 to 23)
/// - min (0 to 59)
/// - sec (0 to 59)
/// - zone (this is the decimal value that we can read, for example:
// for "-0200", the value is -200)
#[derive(Clone, Debug)]
pub struct mailimf_date_time {
pub dt_day: libc::c_int,
pub dt_month: libc::c_int,
pub dt_year: libc::c_int,
pub dt_hour: libc::c_int,
pub dt_min: libc::c_int,
pub dt_sec: libc::c_int,
pub dt_zone: libc::c_int,
pub day: u32,
pub month: u32,
pub year: i32,
pub hour: u32,
pub min: u32,
pub sec: u32,
pub zone: i32,
}
/* this is the type of address */
/* if this is a group
(group_name: address1@domain1,
address2@domain2; ) */
/// An address, either for a mailbox or a group.
#[derive(Debug, Clone, Copy)]
@@ -438,34 +425,35 @@ pub const MAILIMF_FIELD_RETURN_PATH: unnamed_2 = 1;
pub type unnamed_2 = libc::c_uint;
/* on parse error */
pub const MAILIMF_FIELD_NONE: unnamed_2 = 0;
#[no_mangle]
pub unsafe fn mailimf_date_time_new(
mut dt_day: libc::c_int,
mut dt_month: libc::c_int,
mut dt_year: libc::c_int,
mut dt_hour: libc::c_int,
mut dt_min: libc::c_int,
mut dt_sec: libc::c_int,
mut dt_zone: libc::c_int,
day: u32,
month: u32,
year: i32,
hour: u32,
min: u32,
sec: u32,
zone: i32,
) -> *mut mailimf_date_time {
let mut date_time: *mut mailimf_date_time = 0 as *mut mailimf_date_time;
date_time = malloc(::std::mem::size_of::<mailimf_date_time>() as libc::size_t)
as *mut mailimf_date_time;
if date_time.is_null() {
return 0 as *mut mailimf_date_time;
}
(*date_time).dt_day = dt_day;
(*date_time).dt_month = dt_month;
(*date_time).dt_year = dt_year;
(*date_time).dt_hour = dt_hour;
(*date_time).dt_min = dt_min;
(*date_time).dt_sec = dt_sec;
(*date_time).dt_zone = dt_zone;
return date_time;
let dt = mailimf_date_time {
day,
month,
year,
hour,
min,
sec,
zone,
};
Box::into_raw(Box::new(dt))
}
pub unsafe fn mailimf_date_time_free(mut date_time: *mut mailimf_date_time) {
free(date_time as *mut libc::c_void);
pub unsafe fn mailimf_date_time_free(date_time: *mut mailimf_date_time) {
if date_time.is_null() {
return;
}
let _ = Box::from_raw(date_time);
}
pub fn mailimf_address_new_mailbox(ad_mailbox: *mut mailimf_mailbox) -> *mut mailimf_address {

View File

@@ -1581,22 +1581,18 @@ unsafe fn mailimf_date_time_write_driver(
mut col: *mut libc::c_int,
mut date_time: *mut mailimf_date_time,
) -> libc::c_int {
let wday = dayofweek(
(*date_time).dt_year,
(*date_time).dt_month,
(*date_time).dt_day,
);
let wday = dayofweek((*date_time).year, (*date_time).month, (*date_time).day);
let date_str = format!(
"{}, {} {} {} {:02}:{:02}:{:02} {:+05}",
week_of_day_str[wday as usize],
(*date_time).dt_day,
month_str[((*date_time).dt_month - 1i32) as usize],
(*date_time).dt_year,
(*date_time).dt_hour,
(*date_time).dt_min,
(*date_time).dt_sec,
(*date_time).dt_zone,
wday,
(*date_time).day,
month_str[((*date_time).month - 1) as usize],
(*date_time).year,
(*date_time).hour,
(*date_time).min,
(*date_time).sec,
(*date_time).zone,
);
let date_str_c = std::ffi::CString::new(date_str).unwrap();
let r = mailimf_string_write_driver(
@@ -1611,27 +1607,16 @@ unsafe fn mailimf_date_time_write_driver(
}
return MAILIMF_NO_ERROR as libc::c_int;
}
static mut month_str: [&'static str; 12] = [
static mut month_str: [&str; 12] = [
"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
];
static mut week_of_day_str: [&'static str; 7] = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
/* 0 = Sunday */
/* y > 1752 */
unsafe fn dayofweek(
mut year: libc::c_int,
mut month: libc::c_int,
mut day: libc::c_int,
) -> libc::c_int {
static mut offset: [libc::c_int; 12] = [
0i32, 3i32, 2i32, 5i32, 0i32, 3i32, 5i32, 1i32, 4i32, 6i32, 2i32, 4i32,
];
year -= (month < 3i32) as libc::c_int;
return (year + year / 4i32 - year / 100i32
+ year / 400i32
+ offset[(month - 1i32) as usize]
+ day)
% 7i32;
fn dayofweek(year: i32, month: u32, day: u32) -> String {
chrono::NaiveDate::from_ymd(year, month, day)
.format("%a")
.to_string()
}
unsafe fn mailimf_resent_msg_id_write_driver(
mut do_write: Option<
unsafe fn(_: *mut libc::c_void, _: *const libc::c_char, _: size_t) -> libc::c_int,

View File

@@ -1646,12 +1646,12 @@ pub fn mailimf_get_date(t: i64) -> *mut mailimf_date_time {
unsafe {
mailimf_date_time_new(
lt.day() as libc::c_int,
lt.month() as libc::c_int,
lt.year() as libc::c_int,
lt.hour() as libc::c_int,
lt.minute() as libc::c_int,
lt.second() as libc::c_int,
lt.day(),
lt.month(),
lt.year(),
lt.hour(),
lt.minute(),
lt.second(),
off,
)
}
@@ -1691,16 +1691,16 @@ mod tests {
let now_local = Local.from_utc_datetime(&now_utc.naive_local());
let t_local = now_local.timestamp();
let converted = unsafe { *mailimf_get_date(t_local as i64) };
let converted = unsafe { &*mailimf_get_date(t_local as i64) };
assert_eq!(converted.dt_day as u32, now_local.day());
assert_eq!(converted.dt_month as u32, now_local.month());
assert_eq!(converted.dt_year, now_local.year());
assert_eq!(converted.dt_hour as u32, now_local.hour());
assert_eq!(converted.dt_min as u32, now_local.minute());
assert_eq!(converted.dt_sec as u32, now_local.second());
assert_eq!(converted.day, now_local.day());
assert_eq!(converted.month, now_local.month());
assert_eq!(converted.year, now_local.year());
assert_eq!(converted.hour, now_local.hour());
assert_eq!(converted.min, now_local.minute());
assert_eq!(converted.sec, now_local.second());
assert_eq!(
converted.dt_zone,
converted.zone,
(now_local.offset().local_minus_utc() / (60 * 60)) * 100
);
}

View File

@@ -219,24 +219,24 @@ pub(crate) fn dc_str_to_color(s: impl AsRef<str>) -> u32 {
/* the result is UTC or DC_INVALID_TIMESTAMP */
pub(crate) fn dc_timestamp_from_date(date_time: *mut mailimf_date_time) -> i64 {
assert!(!date_time.is_null());
let dt = unsafe { *date_time };
let dt = unsafe { &*date_time };
let sec = dt.dt_sec;
let min = dt.dt_min;
let hour = dt.dt_hour;
let day = dt.dt_day;
let month = dt.dt_month;
let year = dt.dt_year;
let sec = dt.sec;
let min = dt.min;
let hour = dt.hour;
let day = dt.day;
let month = dt.month;
let year = dt.year;
let ts = chrono::NaiveDateTime::new(
chrono::NaiveDate::from_ymd(year, month as u32, day as u32),
chrono::NaiveTime::from_hms(hour as u32, min as u32, sec as u32),
chrono::NaiveDate::from_ymd(year, month, day),
chrono::NaiveTime::from_hms(hour, min, sec),
);
let (zone_hour, zone_min) = if dt.dt_zone >= 0 {
(dt.dt_zone / 100, dt.dt_zone % 100)
let (zone_hour, zone_min) = if dt.zone >= 0 {
(dt.zone / 100, dt.zone % 100)
} else {
(-(-dt.dt_zone / 100), -(-dt.dt_zone % 100))
(-(-dt.zone / 100), -(-dt.zone % 100))
};
ts.timestamp() - (zone_hour * 3600 + zone_min * 60) as i64