redrust 0.1.1

redrust is a port of the popular Redis database system written in Rust programming language. This port aims to provide all the features of Redis while taking advantage of the Rust language's safety, speed, and modern language features.
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extern crate c2rust_bitfields;
extern crate libc;
extern crate core;
pub type __time_t = libc::c_long;
pub type time_t = __time_t;
#[derive(Copy, Clone)]
#[repr(C)]
pub struct tm {
    pub tm_sec: libc::c_int,
    pub tm_min: libc::c_int,
    pub tm_hour: libc::c_int,
    pub tm_mday: libc::c_int,
    pub tm_mon: libc::c_int,
    pub tm_year: libc::c_int,
    pub tm_wday: libc::c_int,
    pub tm_yday: libc::c_int,
    pub tm_isdst: libc::c_int,
    pub __tm_gmtoff: libc::c_long,
    pub __tm_zone: *const libc::c_char,
}
unsafe extern "C" fn is_leap_year(mut year: time_t) -> libc::c_int {
    if year % 4 as libc::c_int as libc::c_long != 0 {
        return 0 as libc::c_int
    } else if year % 100 as libc::c_int as libc::c_long != 0 {
        return 1 as libc::c_int
    } else if year % 400 as libc::c_int as libc::c_long != 0 {
        return 0 as libc::c_int
    } else {
        return 1 as libc::c_int
    };
}
#[no_mangle]
pub unsafe extern "C" fn nolocks_localtime(
    mut tmp: *mut tm,
    mut t: time_t,
    mut tz: time_t,
    mut dst: libc::c_int,
) {
    let secs_min: time_t = 60 as libc::c_int as time_t;
    let secs_hour: time_t = 3600 as libc::c_int as time_t;
    let secs_day: time_t = (3600 as libc::c_int * 24 as libc::c_int) as time_t;
    t -= tz;
    t += (3600 as libc::c_int * dst) as libc::c_long;
    let mut days: time_t = t / secs_day;
    let mut seconds: time_t = t % secs_day;
    (*tmp).tm_isdst = dst;
    (*tmp).tm_hour = (seconds / secs_hour) as libc::c_int;
    (*tmp).tm_min = (seconds % secs_hour / secs_min) as libc::c_int;
    (*tmp).tm_sec = (seconds % secs_hour % secs_min) as libc::c_int;
    (*tmp)
        .tm_wday = ((days + 4 as libc::c_int as libc::c_long)
        % 7 as libc::c_int as libc::c_long) as libc::c_int;
    (*tmp).tm_year = 1970 as libc::c_int;
    loop {
        let mut days_this_year: time_t = (365 as libc::c_int
            + is_leap_year((*tmp).tm_year as time_t)) as time_t;
        if days_this_year > days {
            break;
        }
        days -= days_this_year;
        (*tmp).tm_year += 1;
    }
    (*tmp).tm_yday = days as libc::c_int;
    let mut mdays: [libc::c_int; 12] = [
        31 as libc::c_int,
        28 as libc::c_int,
        31 as libc::c_int,
        30 as libc::c_int,
        31 as libc::c_int,
        30 as libc::c_int,
        31 as libc::c_int,
        31 as libc::c_int,
        30 as libc::c_int,
        31 as libc::c_int,
        30 as libc::c_int,
        31 as libc::c_int,
    ];
    mdays[1 as libc::c_int as usize] += is_leap_year((*tmp).tm_year as time_t);
    (*tmp).tm_mon = 0 as libc::c_int;
    while days >= mdays[(*tmp).tm_mon as usize] as libc::c_long {
        days -= mdays[(*tmp).tm_mon as usize] as libc::c_long;
        (*tmp).tm_mon += 1;
    }
    (*tmp).tm_mday = (days + 1 as libc::c_int as libc::c_long) as libc::c_int;
    (*tmp).tm_year -= 1900 as libc::c_int;
}